Canon EOS 1D X Mark III Review | 108 Data compared

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  • Avg. price in UK: ~£6,160
  • Avg. price in US: ~$6,500
  • Sensor size: full frame
  • Lens mount: Canon EF
  • Main camera pixel size: 6.58 µm
  • Weight: 1440 g
  • Battery life (CIPA): 2850 shots

Canon EOS 1D X Mark III review. Compare 108 technical specifications and user reviews to see how it ranks among cameras and if it is worth buying.

8.2

Overall score

What it is: An overall evaluation of the camera's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best cameras on the market.

Score components:

90.0%

8.1

Technical Score

10.0%

9.2

User score

Excellent
8.1

Technical Score

What it is: An assessment of the camera's technical performance, covering eight key areas: image quality, autofocus, video features, stabilization, lens compatibility, connectivity, battery, and design.

When it matters: When you want to compare cameras based on technical performance and available features.

Score components:

28.0%

8.6

Sensor & Image

25.0%

7.4

Photo Features

18.0%

9.2

Video & Audio

14.0%

5.5

Display & Design

8.0%

8.9

Battery & Power

7.0%

9.4

Connectivity & Storage

Excellent
9.2

User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

10

User reviews

30.0%

7.4

Popularity

User score:
United Kingdom
amazon
5.0
(32)
United States
Amazon_logo.png
5.0
(36)

(Reviews last updated: July 2026)

Exceptional
  • 9.1
    Professional photography

    Score components:

    25.0%

    9.7

    Sensor size

    20.0%

    6.4

    Main camera megapixels

    20.0%

    10

    Dual card slots

    15.0%

    9.2

    N. of focus points

    10.0%

    10

    RAW photo capture

    10.0%

    10

    Phase-detection autofocus (photos)

  • 5.1
    Travel

    Score components:

    35.0%

    1.0

    Weight

    30.0%

    10

    Battery life (CIPA)

    20.0%

    1.0

    Sensor-shift stabilization

    15.0%

    10

    GPS

  • 5.5
    Beginners

    Score components:

    30.0%

    1.0

    Price

    20.0%

    1.0

    Weight

    20.0%

    10

    AF tracking

    20.0%

    10

    Battery life (CIPA)

    10.0%

    10

    Touchscreen

  • 7.5
    Landscape photography

    Score components:

    30.0%

    6.4

    Main camera megapixels

    25.0%

    9.7

    Sensor size

    20.0%

    10

    Main camera pixel size

    15.0%

    1.0

    Sensor-shift stabilization

    10.0%

    10

    RAW photo capture

  • 4.0
    Street photography

    Score components:

    30.0%

    1.0

    Weight

    25.0%

    3.7

    Thickness

    20.0%

    8.1

    AF low-light sensitivity

    15.0%

    1.0

    Sensor-shift stabilization

    10.0%

    10

    Eye detection AF (human)

  • 8.5
    Portraits

    Score components:

    30.0%

    9.7

    Sensor size

    25.0%

    10

    Main camera pixel size

    20.0%

    10

    Eye detection AF (human)

    15.0%

    6.4

    Main camera megapixels

    10.0%

    1.0

    Sensor-shift stabilization

  • 4.5
    Hiking

    Score components:

    30.0%

    1.0

    Weight

    25.0%

    10

    Battery life (CIPA)

    20.0%

    2.8

    Min operating temperature

    15.0%

    1.0

    Sensor-shift stabilization

    10.0%

    10

    GPS

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Available: ranking among products currently available (including other versions of this product).
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Verdict

The Canon EOS-1D X Mark III is a flagship professional DSLR featuring a 20.1MP full-frame CMOS sensor paired with a high-performance DIGIC X processor, enabling a native ISO range of 100-102,400 (expandable to 819,200) and blisteringly fast continuous shooting speeds of 16 fps via the optical viewfinder or 20 fps in Live View. It introduces a sophisticated 191-point autofocus system with deep-learning-based head and face tracking, along with 5.5K 12-bit RAW internal video recording and 4K/60p 10-bit 4:2:2 capture using Canon Log. Its main pros include exceptional low-light performance, a virtually unlimited buffer thanks to dual CFexpress slots, and a class-leading CIPA battery rating of 2,850 shots, while notable cons are its significant weight (1,440g), a fixed non-tilting LCD screen, and the lack of in-body image stabilisation (IBIS).

Technical Specifications of Canon EOS 1D X Mark III

Technical Score

What it is: An assessment of the camera's technical performance, covering eight key areas: image quality, autofocus, video features, stabilization, lens compatibility, connectivity, battery, and design.

When it matters: When you want to compare cameras based on technical performance and available features.

Score components:

28.0%

8.6

Sensor & Image

25.0%

7.4

Photo Features

18.0%

9.2

Video & Audio

14.0%

5.5

Display & Design

8.0%

8.9

Battery & Power

7.0%

9.4

Connectivity & Storage

8.1
Canon EOS 1D X Mark III has a technical score of 8.07 points, which is higher than 92.6% of cameras.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

10

User reviews

30.0%

7.4

Popularity

User score:
United Kingdom
amazon
5.0
(32)
United States
Amazon_logo.png
5.0
(36)

(Reviews last updated: July 2026)

9.2
Canon EOS 1D X Mark III has a user score of 9.23 points, which is higher than 91.9% of cameras.
Popularity
What it is: An indicator based on the number of reviews received by the camera.
When it matters: When you want to see which cameras attract the most buyer attention and review activity.
7.4
Canon EOS 1D X Mark III has a popularity of 7.4 points, which is higher than 62% of products in this category.
Ratio quality/price

What it is: An indicator that combines the camera's overall rating with its cost.

When it matters: When you want to know how much overall quality you get for the price.

Score components:

60.0%

8.2

Overall score

40.0%

1.0

Price

6.0
Canon EOS 1D X Mark III has a quality-to-price ratio of 6 points, which is lower than 64% of products in this category.
Sensor size
What it is: The sensor format value describes the physical light-collecting area.
When it matters: When you shoot in more difficult lighting.

Importance: HIGH

Good value: Full frame or larger

full frame
Canon EOS 1D X Mark III uses a sensor classified as full frame; it is larger than the sensor in 83.7% of cameras and the same size as the sensor in 14% of cameras.
Main camera megapixels
What it is: The effective resolution of the camera sensor, measured in megapixels (MP). Higher megapixels can capture more detail.
When it matters: When you want high-resolution photos that allow more cropping or larger prints.

Importance: HIGH

Good value: At least 20 MP

20.1 MP
Canon EOS 1D X Mark III has a main camera resolution of 20.1 MP, which is higher than that of 61.7% of cameras and equal to that of 4.3% of cameras.
Main camera pixel size
What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
When it matters: When you shoot in low light and want reduced noise in your photos.

Importance: HIGH

Good value: At least 3.5 µm

6.58 µm
Canon EOS 1D X Mark III has a main camera pixel size of 6.58 µm which is larger than in 97% of cameras and equal to the size in 0.1% of cameras.
Base ISO
What it is: The native ISO setting that delivers the sensor’s standard balance of image quality and dynamic range.
When it matters: When you want the best native image quality and compare cameras at their most optimal sensitivity setting.

Importance: LOW

100
Canon EOS 1D X Mark III has a base ISO of 100 which is higher than that of 20.3% of cameras and equal to that of 52% of cameras.
Max ISO
What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.
When it matters: When you shoot in more difficult lighting.

Importance: MEDIUM

Good value: At least ISO 25,600

102,400
Canon EOS 1D X Mark III reaches a maximum sensitivity of ISO 102,400, which is higher than that of 97.5% of cameras and equal to that of 1.8% of cameras.
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Lens mount
What it is: The mechanical and electronic interface that determines which interchangeable lenses the camera can use.
When it matters: When lens availability, upgrade options, and long-term system compatibility are central to your buying decision.

Importance: LOW

Canon EF
Built-in focus motor
What it is: Indicates whether the camera body includes an internal autofocus motor for driving compatible lenses.
When it matters: When you plan to use older or budget lenses that depend on the camera body for autofocus drive.

Importance: LOW

no
Canon EOS 1D X Mark III does not have a built-in focus motor. 11% of cameras have a built-in focus motor.
N. of focus points
What it is: The total number of selectable autofocus points available for positioning and tracking focus.
When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

Importance: HIGH

Good value: At least 200 points

191
Canon EOS 1D X Mark III has 191 focus points, more than the number offered by 84.3% of cameras.
Phase-detection autofocus (photos)
What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

Importance: HIGH

yes
Canon EOS 1D X Mark III supports phase-detection autofocus for photos. 37.3% of cameras support phase-detection autofocus for photos.
AF tracking
What it is: An autofocus mode that continuously follows a moving subject to keep it sharp during shooting.
When it matters: When your subjects move unpredictably and you need the camera to keep focus on them automatically.

Importance: MEDIUM

yes
Canon EOS 1D X Mark III supports AF tracking. This feature is available on 88% of cameras.
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Max video resolution
What it is: The highest video resolution the camera can record, defining the maximum level of captured image detail.
When it matters: When you care about recording the highest level of detail for cropping, editing, or future-proof video work.

Importance: HIGH

Good value: At least 3840 px

5,000 px
Canon EOS 1D X Mark III supports 5,000 px video recording which is higher quality than that of 95.9% of cameras.
RAW
Video bitrate
What it is: The amount of video data recorded per second, which affects file size and potential recording quality.
When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

Importance: MEDIUM

Good value: At least 200 Mbps

2,600 Mbps
Canon EOS 1D X Mark III has a video bitrate of 2,600 Mbps which is higher than that of 98.3% of cameras and equal to that of 0.8% of cameras.
RAW
Video bit depth
What it is: The number of bits used per color channel in recorded video, affecting gradation smoothness and editing flexibility.
When it matters: When you color grade video and want smoother gradients with fewer banding issues.

Importance: MEDIUM

Good value: At least 10-bit

12 bit
Canon EOS 1D X Mark III supports video at 12 bit, a bit depth higher than that of 96% of cameras and equal to that of 3.5% of cameras.
RAW
Video chroma subsampling
What it is: The color sampling format used in video recording, indicating how much color detail is retained relative to brightness detail.
When it matters: When color grading, keying, or serious post-production work is important in your video workflow.

Importance: LOW

4:2:2
Canon EOS 1D X Mark III supports 4:2:2 video chroma subsampling which is more advanced than that of 77.9% of cameras and equal to that of 22.1% of cameras.
Video codecs
What it is: The video compression formats the camera can use when recording, affecting compatibility, efficiency, and workflow.
When it matters: When compatibility, editing performance, and file efficiency matter in the way you handle video.

Importance: LOW

H.264, H.265, RAW
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Type
What it is: The camera type identifies the overall design, such as mirrorless, DSLR, compact, or bridge.
When it matters: When you want a camera style that matches how you shoot, carry, and swap lenses.

Importance: LOW

dslr
Weight
What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

Importance: MEDIUM

Good value: 500 g or less

1,440 g
Canon EOS 1D X Mark III weighs 1,440 g which is heavier than 98.8% of cameras.
Width
What it is: The width of the camera body, measured from side to side.
When it matters: When compact packing, grip comfort, or bag fit matters to you.

Importance: LOW

158 mm
Canon EOS 1D X Mark III has a width of 158 mm which is wider than 97.8% of cameras and equal to that of 0.4% of cameras.
Height
What it is: The height of the camera body, measured from top to bottom.
When it matters: When you care about how compact the camera feels in a bag or in hand.

Importance: LOW

167.6 mm
Canon EOS 1D X Mark III has a height of 167.6 mm which is taller than 99.9% of cameras and equal to that of 0.1% of cameras.
Thickness
What it is: The depth of the device profile, excluding the camera bump unless specified.
When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

Importance: LOW

82.6 mm
Canon EOS 1D X Mark III has a thickness of 82.6 mm which is thicker than 81.1% of cameras and equal to that of 0.1% of cameras.
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Battery life (CIPA)
What it is: The official battery endurance estimate measured under CIPA test methodology, usually expressed in shots per charge.
When it matters: When you need realistic expectations for how many shots you can take before carrying a spare battery.

Importance: MEDIUM

Good value: At least 400 shots

2,850 shots
Canon EOS 1D X Mark III has a CIPA-rated battery life of 2,850 shots, which is longer than that of 99.4% of cameras.
Battery capacity
What it is: The amount of electric charge the battery can hold, measured in milliampere-hours (mAh).
When it matters: When you want a general idea of how large the battery is physically.

Importance: LOW

Good value: At least 1,500 mAh

2,700 mAh
Canon EOS 1D X Mark III has a battery capacity of 2,700 mAh which is larger than the batteries in 97.9% of cameras and equal to those in 0.2% of cameras.
Removable battery
What it is: Indicates whether the flight battery can be removed and swapped by the user.
When it matters: When you want to swap batteries quickly between flights.

Importance: LOW

yes
Canon EOS 1D X Mark III has a removable battery, and 98.7% of cameras include one.
USB Power Delivery (PD)
What it is: Support for the USB Power Delivery standard for higher-power charging or external power supply over USB-C.
When it matters: When you want faster USB-C charging or the ability to power the camera externally for longer sessions.

Importance: LOW

no
Canon EOS 1D X Mark III does not support USB Power Delivery. 10.1% of cameras support USB Power Delivery.
Wi-Fi connectivity
What it is: Indicates whether the camera has built-in Wi-Fi for image transfer, remote control, or network features.
When it matters: When you want to transfer photos wirelessly, control the camera from a phone, or use supported network workflows.

Importance: LOW

yes
Canon EOS 1D X Mark III supports Wi-Fi. This feature is available on 47.8% of cameras.
Wi-Fi version
What it is: The specific generation of Wi-Fi standards supported (e.g., Wi-Fi 6, Wi-Fi 7), determining maximum speed and efficiency.
When it matters: When you have a high-speed router and want faster downloads with less congestion.

Importance: LOW

Wi-Fi 4 (802.11n)
Canon EOS 1D X Mark III uses Wi-Fi version Wi-Fi 4 (802.11n) which is newer than that of 54.2% of cameras and equal to that of 35.6% of cameras.
Bluetooth connectivity
What it is: Indicates whether the camera supports Bluetooth for pairing, remote control, or file transfer.
When it matters: When you want quick wireless pairing with a phone, remote control, or location syncing.

Importance: LOW

yes
Canon EOS 1D X Mark III has Bluetooth. 22.6% of cameras support Bluetooth.
Bluetooth 4.2.
Bluetooth version
What it is: The Bluetooth version supported by the camera for wireless pairing and low-power connections.
When it matters: When you want more efficient wireless pairing, better range, or newer Bluetooth features.

Importance: LOW

4.2
Canon EOS 1D X Mark III supports Bluetooth version 4.2 which is newer than that supported by 86.4% of cameras and equal to that of 9.6% of cameras.
USB Type-C
What it is: A modern, reversible connector used for charging, data transfer, and sometimes audio or video output.
When it matters: When you want a reversible cable that handles charging, data, and accessories universally.

Importance: LOW

yes
Canon EOS 1D X Mark III features USB Type-C. 14.5% of cameras use USB-C ports.
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Canon EOS 1D X Mark III vs the average camera

  • 168 more AF points
    Canon EOS 1D X Mark III has more focus points than the average camera (191 vs 23). The average camera offers 23 focus points.
    What it is: The total number of selectable autofocus points available for positioning and tracking focus.
    When it matters: When you want more flexibility in placing focus precisely or tracking subjects across the frame.

    Importance: HIGH

    Good value: At least 200 points

    Canon EOS 1D X Mark III has more focus points than the average camera (191 vs 23). The average camera offers 23 focus points.191 vs 23
  • Phase-detect AF for photos
    Canon EOS 1D X Mark III supports phase-detection autofocus for photos, the average camera does not.
    What it is: Autofocus technology that measures phase differences to lock focus quickly and accurately for still photography.
    When it matters: When you want faster and more reliable autofocus for still photos, especially with moving subjects.

    Importance: HIGH

    Canon EOS 1D X Mark III supports phase-detection autofocus for photos, the average camera does not.
  • 96,000 higher max ISO
    Canon EOS 1D X Mark III has a higher max ISO than the average camera (102,400 vs 6,400). The average camera reaches a max ISO of 6,400.
    What it is: The ISO ceiling shows the highest sensor sensitivity available for darker scenes.
    When it matters: When you shoot in more difficult lighting.

    Importance: MEDIUM

    Good value: At least ISO 25,600

    Canon EOS 1D X Mark III has a higher max ISO than the average camera (102,400 vs 6,400). The average camera reaches a max ISO of 6,400.102,400 vs 6,400
  • 86.67x higher video bitrate
    Canon EOS 1D X Mark III has a higher video bitrate than the average camera (2,600 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
    RAW
    What it is: The amount of video data recorded per second, which affects file size and potential recording quality.
    When it matters: When you compare potential video quality and want fewer compression artifacts in demanding scenes.

    Importance: MEDIUM

    Good value: At least 200 Mbps

    Canon EOS 1D X Mark III has a higher video bitrate than the average camera (2,600 Mbps vs 30 Mbps). The average camera records at 30 Mbps.2600 Mbps vs 30 Mbps
  • 3.24 µm larger main-camera pixels
    Canon EOS 1D X Mark III has a higher main camera pixel size than the average camera (6.6 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.
    What it is: The physical size of individual pixels on the camera sensor, measured in micrometers. Larger pixels typically capture more light for better low-light performance.
    When it matters: When you shoot in low light and want reduced noise in your photos.

    Importance: HIGH

    Good value: At least 3.5 µm

    Canon EOS 1D X Mark III has a higher main camera pixel size than the average camera (6.6 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.6.58 µm vs 3.34 µm
  • 10.3 fps faster mechanical burst
    Canon EOS 1D X Mark III has a faster mechanical burst rate than the average camera (16 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
    What it is: The maximum burst rate the camera can achieve using its mechanical shutter, measured in frames per second.
    When it matters: When you photograph sports, wildlife, or action and want more chances to catch the exact moment.

    Importance: MEDIUM

    Good value: At least 10 fps

    Canon EOS 1D X Mark III has a faster mechanical burst rate than the average camera (16 fps vs 5.7 fps). The average camera shoots at 5.7 fps.16 fps vs 5.7 fps
  • 3080 px higher video resolution
    Canon EOS 1D X Mark III records higher-resolution video than the average camera (5,000 px vs 1920 px). The average camera records at 1920 px.
    RAW
    What it is: The highest video resolution the camera can record, defining the maximum level of captured image detail.
    When it matters: When you care about recording the highest level of detail for cropping, editing, or future-proof video work.

    Importance: HIGH

    Good value: At least 3840 px

    Canon EOS 1D X Mark III records higher-resolution video than the average camera (5,000 px vs 1920 px). The average camera records at 1920 px.5000 px vs 1920 px
  • 2,520 shots longer battery life
    Canon EOS 1D X Mark III has longer battery life than the average camera (2,850 shots vs 330 shots). The average camera delivers 330 shots per charge.
    What it is: The official battery endurance estimate measured under CIPA test methodology, usually expressed in shots per charge.
    When it matters: When you need realistic expectations for how many shots you can take before carrying a spare battery.

    Importance: MEDIUM

    Good value: At least 400 shots

    Canon EOS 1D X Mark III has longer battery life than the average camera (2,850 shots vs 330 shots). The average camera delivers 330 shots per charge.2850 shots vs 330 shots
  • 0.2 in larger screen
    Canon EOS 1D X Mark III has a larger screen than the average camera (3.2 in vs 3 in). The average camera has a screen size of 3 in.
  • Has a touchscreen
    Canon EOS 1D X Mark III has a touchscreen, the average camera does not. 36.6% of cameras support touchscreen input.
  • 10 more customizable buttons
    Canon EOS 1D X Mark III has more customizable buttons than the average camera (10 vs 0). The average camera offers 0 customizable buttons.
  • Better viewfinder type
    Canon EOS 1D X Mark III uses a more advanced viewfinder than the average camera (optical vs none).
  • 96,000 higher max ISO
    Canon EOS 1D X Mark III has a higher max ISO than the average camera (102,400 vs 6,400). The average camera reaches a max ISO of 6,400.
  • 3.24 µm larger main-camera pixels
    Canon EOS 1D X Mark III has a higher main camera pixel size than the average camera (6.6 µm vs 3.34 µm). The average camera has a main camera pixel size of 3.34 µm.
  • 793,900 higher expanded ISO
    Canon EOS 1D X Mark III has a higher expanded ISO than the average camera (819,200 vs 25,300). The average camera reaches an expanded ISO of 25,300.
  • 2,406 points higher DxOMark Sports score
    Canon EOS 1D X Mark III has a higher DxOMark sports score than the average camera (3,248 points vs 842 points). The average camera has a DxOMark sports score of 842 points.
  • Larger sensor
    Canon EOS 1D X Mark III has a larger sensor than the average camera (full frame vs APS-C).
  • Sensor cleaning system
    Canon EOS 1D X Mark III includes a sensor cleaning system, the average camera does not.
  • Higher DxOMark landscape score
    Canon EOS 1D X Mark III has a higher DxOMark landscape score than the average camera (14.5 vs 12.4). The average camera scores 12.4.
  • Supports HEIF photos
    Canon EOS 1D X Mark III supports HEIF photos, the average camera does not.
  • 18 points higher DxOMark sensor score
    Canon EOS 1D X Mark III has a higher DxOMark sensor score than the average camera (91 points vs 73 points). The average camera has a DxOMark sensor score of 73 points.
  • 7 newer
    Canon EOS 1D X Mark III is newer than the average camera (2020 vs 2013). The average camera was released in 2013.
  • Higher DxOMark portrait score
    Canon EOS 1D X Mark III has a higher DxOMark portrait score than the average camera (24.2 vs 23.0). The average camera scores 23.0.
  • 3.9 MP higher resolution on the main camera
    Canon EOS 1D X Mark III has a higher main camera resolution than the average camera (20.1 MP vs 16.2 MP). The average camera has a main camera resolution of 16.2 MP.
  • 168 more AF points
    Canon EOS 1D X Mark III has more focus points than the average camera (191 vs 23). The average camera offers 23 focus points.
  • Phase-detect AF for photos
    Canon EOS 1D X Mark III supports phase-detection autofocus for photos, the average camera does not.
  • 10.3 fps faster mechanical burst
    Canon EOS 1D X Mark III has a faster mechanical burst rate than the average camera (16 fps vs 5.7 fps). The average camera shoots at 5.7 fps.
  • Human eye AF
    Canon EOS 1D X Mark III supports human eye-detection AF, the average camera does not.
  • 400,000 more shutter cycles
    Canon EOS 1D X Mark III has a higher shutter durability than the average camera (500,000 vs 100,000). The average camera is rated for 100,000 shutter cycles.
  • Lossless compressed RAW
    Canon EOS 1D X Mark III supports lossless compressed RAW, while the average camera does not.
  • Supports touch autofocus
    Canon EOS 1D X Mark III supports touch autofocus, the average camera does not. 34.9% of cameras support touch autofocus.
  • 86.67x higher video bitrate
    Canon EOS 1D X Mark III has a higher video bitrate than the average camera (2,600 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
  • 3080 px higher video resolution
    Canon EOS 1D X Mark III records higher-resolution video than the average camera (5,000 px vs 1920 px). The average camera records at 1920 px.
  • Includes headphone output
    Canon EOS 1D X Mark III includes a headphone output, the average camera does not.
  • Has microphone input
    Canon EOS 1D X Mark III has microphone input, the average camera does not.
  • 4-bit higher video bit depth
    Canon EOS 1D X Mark III supports a higher video bit depth than the average camera (12 bit vs 8 bit). The average camera supports video at 8 bit.
  • Supports slow-motion video
    Canon EOS 1D X Mark III supports slow-motion video, the average camera does not.
  • Phase-detect AF in video
    Canon EOS 1D X Mark III supports phase-detection autofocus in video, the average camera does not.
  • More complete chroma subsampling
    Canon EOS 1D X Mark III supports better video chroma subsampling than the average camera (4:2:2 vs 4:2:0). The average camera supports 4:2:0 video chroma subsampling.
  • Supports timecode
    Canon EOS 1D X Mark III supports timecode, the average camera does not.
  • Clean HDMI output
    Canon EOS 1D X Mark III offers clean HDMI output, the average camera does not.
  • Supports live streaming
    Canon EOS 1D X Mark III supports live streaming, the average camera does not.
  • Supports log profiles
    Canon EOS 1D X Mark III supports log profiles, the average camera does not.
  • Built-in timelapse
    Canon EOS 1D X Mark III includes timelapse capture, the average camera does not.
  • Supports 24p cinema mode
    Canon EOS 1D X Mark III supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
  • 2,520 shots longer battery life
    Canon EOS 1D X Mark III has longer battery life than the average camera (2,850 shots vs 330 shots). The average camera delivers 330 shots per charge.
  • 1,580 mAh larger battery capacity
    Canon EOS 1D X Mark III has a higher battery capacity than the average camera (2,700 mAh vs 1,120 mAh). The average camera has a battery capacity of 1,120 mAh.
  • Dual card slots
    Canon EOS 1D X Mark III offers dual card slots, the average camera does not. 13.3% of cameras offer them.
  • Has USB Type-C
    Canon EOS 1D X Mark III has a USB Type-C port, the average camera does not. 14.5% of cameras use USB-C.
  • Has Bluetooth
    Canon EOS 1D X Mark III supports Bluetooth, the average camera does not. 22.7% of cameras support Bluetooth.
  • Supports Wi-Fi connectivity
    Canon EOS 1D X Mark III supports Wi-Fi, the average camera does not. 47.8% of cameras support Wi-Fi.
  • Has GPS
    Canon EOS 1D X Mark III supports GPS, the average camera does not. 9.8% of cameras support GPS.
  • Smartphone remote control
    Canon EOS 1D X Mark III supports smartphone remote control, the average camera does not. 46.2% of cameras support smartphone remote control.
  • Newer USB version
    Canon EOS 1D X Mark III supports a newer USB version than the average camera (USB 3.2 Gen 2 vs USB 2.0). The average camera uses USB 2.0.
  • Newer HDMI version
    Canon EOS 1D X Mark III uses HDMI 2, while the average camera uses HDMI 1.4.
  • 3.65x heavier
    Canon EOS 1D X Mark III is heavier than the average camera (1,440 g vs 395 g). The average camera weighs 395 g.
  • 93.7 mm taller body
    Canon EOS 1D X Mark III is taller than the average camera (167.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
  • No flash
    Canon EOS 1D X Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
  • 38.1 mm wider
    Canon EOS 1D X Mark III is wider than the average camera (158 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
  • 36.6 mm thicker
    Canon EOS 1D X Mark III is thicker than the average camera (82.6 mm vs 46 mm). The average camera has a thickness of 46 mm.
  • 3.65x heavier
    Canon EOS 1D X Mark III is heavier than the average camera (1,440 g vs 395 g). The average camera weighs 395 g.
    What it is: The total weight of the camera body, which affects comfort while carrying and shooting.
    When it matters: When you carry the camera all day, travel often, or prefer a lighter setup.

    Importance: MEDIUM

    Good value: 500 g or less

    Canon EOS 1D X Mark III is heavier than the average camera (1,440 g vs 395 g). The average camera weighs 395 g.1440 g vs 395 g
  • 93.7 mm taller body
    Canon EOS 1D X Mark III is taller than the average camera (167.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
    What it is: The height of the camera body, measured from top to bottom.
    When it matters: When you care about how compact the camera feels in a bag or in hand.

    Importance: LOW

    Canon EOS 1D X Mark III is taller than the average camera (167.6 mm vs 73.9 mm). The average camera has a height of 73.9 mm.167.6 mm vs 73.9 mm
  • No flash
    Canon EOS 1D X Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
    What it is: Indicates the presence of an integrated light source to illuminate subjects in low-light conditions.
    When it matters: When you need a quick built-in light for fill flash or simple low-light shots.

    Importance: LOW

    Canon EOS 1D X Mark III does not have a built-in flash, the average camera does. 73.4% of cameras have a flash.
  • 38.1 mm wider
    Canon EOS 1D X Mark III is wider than the average camera (158 mm vs 119.9 mm). The average camera has a width of 119.9 mm.
    What it is: The width of the camera body, measured from side to side.
    When it matters: When compact packing, grip comfort, or bag fit matters to you.

    Importance: LOW

    Canon EOS 1D X Mark III is wider than the average camera (158 mm vs 119.9 mm). The average camera has a width of 119.9 mm.158 mm vs 119.9 mm
  • 21.24x more expensive
    Canon EOS 1D X Mark III is more expensive than the average camera (£6,160 vs £290).
    Canon EOS 1D X Mark III is more expensive than the average camera (£6,160 vs £290).£6,160 vs £290
  • 36.6 mm thicker
    Canon EOS 1D X Mark III is thicker than the average camera (82.6 mm vs 46 mm). The average camera has a thickness of 46 mm.
    What it is: The depth of the device profile, excluding the camera bump unless specified.
    When it matters: When you prefer a sleek, slim profile that slides easily into tight pockets.

    Importance: LOW

    Canon EOS 1D X Mark III is thicker than the average camera (82.6 mm vs 46 mm). The average camera has a thickness of 46 mm.82.6 mm vs 46 mm
  • 3.3% worse value for money
    Canon EOS 1D X Mark III has a worse value-for-money score than the average camera (6.03 vs 6.224).
    What it is: An indicator that combines the camera's overall rating with its cost.
    When it matters: When you want to know how much overall quality you get for the price.
    Canon EOS 1D X Mark III has a worse value-for-money score than the average camera (6.03 vs 6.224).6.03 vs 6.22

Graphic comparison of Canon EOS 1D X Mark III and

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Third-party reviews

United Kingdom
United States

(Reviews last updated: July 2026)

What customers like about Canon EOS 1D X Mark III?

  • Exceptional build quality and weather-sealing
  • Superlative autofocus system with deep learning tracking
  • Internal 5.5K Raw and 10-bit 4K/60p video capabilities
  • Fast burst speeds (16fps OVF / 20fps Live View)
  • Innovative and highly useful AF Smart Controller
  • Virtually unlimited buffer when using CFexpress cards
  • Excellent battery life and extensive connectivity options
  • Improved low-light performance and dynamic range

What customers dislike about Canon EOS 1D X Mark III?

  • Large, heavy, and bulky professional form factor
  • Fixed rear LCD with no tilt or articulation
  • Requires expensive CFexpress memory cards
  • Lack of dual pixel autofocus in certain high frame rate 4K settings
  • HEIF image format has limited third-party software support
  • High retail price compared to mirrorless alternatives
  • Reduced dynamic range when using silent electronic shutter

Expert reviews

D
dpreview.com
07/07/2020

The Canon EOS-1D X Mark III is a premier DSLR for professional action, featuring a 20.1MP sensor, Digic X processor, and exceptional autofocus with 16 fps (viewfinder) or 20 fps (live view) shooting. It excels in speed and video, offering 5.5K 12-bit RAW video, dual CFexpress slots, and a unique touch-sensitive AF Smart Controller. YouTube · However, the camera is physically heavy,...Read more

T
the-digital-picture.com
05/03/2020

The Canon EOS-1D X Mark III is identified as a premier professional DSLR for action, sports, and wildlife, offering blazing-fast 16-20 fps shooting, an innovative Smart Controller for AF, and a deep buffer using CFexpress cards. The review highlights its exceptional low-light performance and rugged, weather-sealed durability. Conversely, the camera is noted for its heavy, large,...Read more

P
pcmag.com
11/08/2020

The Canon EOS-1D X Mark III is lauded as a top-tier professional DSLR designed for extreme speed, featuring a durable, weather-sealed build, long battery life, and a 20MP sensor capable of 16fps mechanical or 20fps Live View shooting. It boasts a superior autofocus system with deep learning for tracking and supports 5.5K internal raw video, along with robust connectivity via...Read more

D
dxomark.com
19/06/2020

The Canon EOS-1D X Mark III is a flagship full-frame DSLR designed for professional sports journalism and high-speed action photography. It features a newly-developed 20-megapixel CMOS sensor and a DIGIC X processor that deliver impressive continuous shooting speeds of up to 16 fps via the optical viewfinder and 20 fps in live view mode. Testing reveals a significant leap forward...Read more

F
fstoppers.com
22/08/2020

The Canon EOS 1Dx Mark III is a robust, $6,499 professional DSLR engineered specifically for high-speed sports and action photography. It blends traditional DSLR mechanics with mirrorless features, delivering continuous shooting speeds of 16 frames per second (fps) through its optical viewfinder and 20 fps in Live View mirrorless mode, backed by a massive buffer that can process...Read more

E
ephotozine.com
03/10/2020

The Canon EOS-1D X Mark III is an ultra-rugged 20-megapixel DSLR designed for professional sports and wildlife photography, offering 16fps (optical viewfinder) to 20fps (Live View) shooting with full AF/AE. Key strengths identified by ePHOTOzine include exceptional high-ISO image performance, a weather-sealed chassis, dual CFexpress slots, and a significantly improved 2,850+ shot...Read more

F
focus-review.com
25/03/2020

The Canon EOS-1D X Mark III is a professional full-frame SLR camera purpose-built for action and sports photography, delivering exceptional image quality with zero visible noise up to ISO 12,800. Its standout feature is a completely redesigned dual autofocus system; the optical viewfinder utilizes a groundbreaking 191-point grid pixel AF sensor paired with a 400,000-pixel RGB+IR...Read more

A
adorama.com
06/01/2020

The Canon EOS-1D X Mark III is a professional-grade DSLR camera designed for high-speed action, sports, and concert photography, offering notable upgrades over its predecessor while maintaining a slightly lighter form factor. Powered by a new DIGIC X image processor and a 20.1-megapixel full-frame CMOS sensor with a redesigned low pass filter, it delivers sharper image quality and a...Read more

U
upaa.org
07/01/2020

The Canon 1DX Mark III is a professional-level hybrid camera that successfully merges traditional DSLR functionality with cutting-edge mirrorless features, making it an exceptional workhorse for sports, news, and event photographers. A standout pro is the transition to dual CFexpress Type B card slots, which deliver blistering read/write speeds that effectively eliminate buffer...Read more

D
digitalcameraworld.com
11/02/2020

The Canon EOS-1D X Mark III is a professional hybrid DSLR/mirrorless camera designed for speed and action shooting, featuring a 20.1MP full-frame sensor paired with the powerful Digic X processor. While its resolution is lower than some rivals like the 24.2MP Sony A9 II, it compensates with high-end capabilities such as Deep Learning AF (head tracking) and 10-bit HEIF image format...Read more

H
helenbartlett.co.uk
07/01/2020

The Canon EOS-1D X Mark III is highly praised as a top-tier flagship DSLR that brings massive upgrades tailored to the demanding world of fast-moving action and low-light family photography. A major standout feature is its overhauled autofocus system, which utilizes deep learning algorithms to automatically recognize and track human heads and subjects even when they face away or...Read more

C
cameralabs.com
24/02/2020

The Canon EOS 1Dx Mark III is a flagship DSLR purpose-built for professional sports and wildlife photographers, offering a 20.1 Megapixel full-frame sensor paired with a powerful DIGIC X processor. Designed for high-speed action, it achieves continuous autofocus burst speeds of up to 16fps through its optical viewfinder and 20fps in Live View using either a mechanical or electronic...Read more

K
kenrockwell.com
06/01/2020

The Canon 1DX Mark III is identified by Ken Rockwell as the industry standard for professional sports and action photography, lauded for its rugged ergonomics, immense battery life, and rapid mechanical shutter. Key features include advanced "magic" smart controller AF buttons, an illuminated optical viewfinder, and improved connectivity with Wi-Fi and Bluetooth. However, the...Read more

E
ephotozine.com
30/09/2020

The ePHOTOzine review highlights the Canon EOS-1D X Mark III as an ultra-tough, flagship DSLR designed for high-speed sports, wildlife, and low-light photography, boasting impressive 16fps continuous shooting via the optical viewfinder and 20fps in Live View. Key strengths include exceptional ergonomics, long battery life, dual CFexpress card slots, and strong video capabilities...Read more

V
videomaker.com
20/03/2020

The Videomaker review describes the Canon EOS-1DX Mark III as a high-performance, durable DSLR featuring exceptional handling with a deep grip and back-illuminated buttons, along with impressive, uncropped 4K 60fps 10-bit video. Key capabilities include internal 5.5K RAW recording, a massive buffer supported by dual CFexpress slots, and advanced, reliable autofocus systems. YouTube...Read more

D
digitalkamera.de
31/08/2020

The Canon EOS-1D X Mark III is characterized as a robust, high-end DSLR designed for professional sports and action photography, featuring exceptional magnesium alloy construction and deep-learning-based 191-point autofocus. It offers superior performance with burst rates up to 20 fps in Live View and a massive buffer using dual CFexpress cards, alongside advanced 4K/60p and 5.5K...Read more

C
computerbild.de
19/09/2020

The Canon EOS-1D X Mark III is a professional-grade DSLR camera that achieves excellent testing marks (1.7 "good") by delivering top-tier performance for sports and action photography. Powered by a 20-megapixel full-frame sensor and a robust DIGIC X processor, it excels at capturing highly detailed, sharp images even under extreme low-light conditions up to ISO 51,200. The camera's...Read more

S
slashcam.de
04/05/2026

The slashCAM review evaluates the Canon EOS-1D X Mark III as a professional full-frame flagship camera that offers exceptional internal 12-bit 5.5K RAW LOG video recording up to 60 fps without needing an internal fan. On the positive side, the camera stands out for its outstanding battery life driven by a robust 30 Wh LP-E19 battery, which easily lasted over half a 2-hour shoot in...Read more

F
fotomagazin.de
07/01/2020

The fotoMAGAZIN review of the Canon EOS-1D X Mark III highlights it as a highly responsive flagship DSLR tailored for elite sports and reportage photography. Key strengths include its incredible shooting speeds of up to 16 frames per second (fps) through the viewfinder and 20 fps in Live View mode. This speed is paired with a significantly expanded buffer that can continuously...Read more

P
photo-outdoor.de
22/07/2026

The Canon EOS 1 DX Mark III is a highly capable professional DSLR designed primarily for wildlife and action photography, offering robust build quality that withstands harsh weather conditions. Priced around €7,000, it features a 20.1-megapixel sensor, an advanced Digic X processor, and an extraordinary dual-slot CF-Express card configuration that eliminates buffer delays. The...Read more

P
photographie.de
07/01/2020

Canon EOS-1D X Mark III Review Summary The Canon EOS-1D X Mark III is a high-performance DSLR camera tailored specifically for professional sports and wildlife photographers who prioritize speed and reliability over massive megapixel counts. Built with a robust magnesium alloy body and superior weather sealing, it introduces a 20.1-megapixel CMOS sensor alongside a cutting-edge...Read more

L
lesnumeriques.com
09/02/2021

The Canon EOS-1D X Mark III is a highly durable, professional-grade DSLR designed primarily for sports and wildlife photographers, offering peak performance when operated both as a traditional reflex camera and in live view mode. On the positive side, it features an exceptional burst shooting speed of up to 20 frames per second using the electronic shutter, backed by an unlimited...Read more

L
leclaireur.fnac.com
11/03/2026

The Canon EOS-1D X Mark III is a highly advanced flagship DSLR designed for niche professional photographers working in demanding fields like sports, wildlife, and investigative journalism. Built to withstand extreme environmental conditions, it features a weather-sealed body, a 20.1-megapixel full-frame CMOS sensor, and the powerful Digic X processor. Lab testing demonstrates...Read more

L
lartdelaphoto.fr
14/02/2020

The Canon EOS-1D X Mark III is an exceptionally durable, dual-gripped professional DSLR that operates like a high-performance mirrorless camera when switched into Live View. Powered by a Digic X processor and a 20.1 MP CMOS sensor, it delivers superb image quality with low noise, a flexible dynamic range, and upgraded default JPEG rendering. Action photographers benefit from...Read more

D
dxomark.fr
19/06/2020

The Canon EOS-1D X Mark III achieved an updated overall sensor score of 91 from DXOMARK, making it a powerful contender in full-frame sensor dynamics and tying for first place among Canon full-frame cameras alongside the 5D Mark IV. The review highlights several notable strengths, particularly its exceptional maximum dynamic range of 14.5 EV at low ISO settings (ISO 50 and ISO 100),...Read more

X
xatakafoto.com
03/02/2020

The field test review from Xataka Foto highlights the Canon EOS 1Dx Mark III as an ultra-reliable, "tank-like" powerhouse designed specifically for professional wildlife and sports photographers. The main pros center on its outstanding continuous shooting speeds—delivering up to 16 fps via the optical viewfinder and 20 fps in Live View mode—paired with an impeccable 191-point...Read more

X
xatakafoto.com
06/01/2020

The Canon EOS-1D X Mark III blends traditional DSLR reliability with advanced mirrorless technology, featuring a 20.1 MP full-frame sensor and a lightning-fast Digic X processor. Designed for elite sports, nature, and press photographers, its standout strengths include an impressive burst rate of 20 fps in Live View (16 fps via the optical visor) and a massive 191-point autofocus...Read more

C
cined.com
04/06/2020

The Canon 1D X Mark III is an exceptional, tank-like DSLR designed primarily for photojournalists, yet it breaks boundaries by delivering powerhouse video capabilities. The reviewer focused on its standout feature: internal 5.5K 12-bit RAW recording using the full width of the sensor, which produces outstanding image quality with smooth highlight roll-off and excellent high-ISO...Read more

F
fotografonocturno.com
14/03/2020

The Fotógrafo Nocturno review, written by landscape photographer Senén Cadenas, provides a hands-on analysis of the Canon 1DX Mark III specifically within the context of landscape and long-exposure photography. The reviewer notes that despite Canon marketing this flagship DSLR for sports and wildlife, it functions as an absolute "beast" for landscape photography due to major...Read more

E
elcorteingles.es
10/02/2020

The Canon EOS-1D X Mark III, as analyzed by El Corte Inglés, is a high-performance hybrid DSLR featuring a 20.1-megapixel sensor, DIGIC X processing, and 16-20 fps shooting, making it a top choice for sports and video professionals. Key advantages include advanced deep-learning autofocus with 191 points, internal 5.5K RAW recording, and robust dual CFexpress card slots for...Read more

M
marcalbiacphotography.com
01/05/2020

In this review, wildlife photographer Marc Albiac evaluates the battery life and field performance of the ⁠Canon EOS 1D X Mark III during a camera-trapping and wildlife expedition in the Catalan pre-Pyrenees. Testing the camera alongside a fisheye lens and an infrared trigger barrier, Albiac captured thousands of images of local wildlife, including common genets and foxes. The core...Read more

I
ilfotografo.it
09/02/2020

The Canon EOS-1D X Mark III is a highly capable full-frame flagship camera that offers major performance upgrades over its predecessor, tailored specifically for sports, news, and wildlife professionals. On the positive side, it delivers blazing burst speeds of up to 16 fps through the viewfinder and 20 fps in Live View, backed by an effectively limitless buffer when using CFexpress...Read more

F
fotografidigitali.it
06/08/2020

The Canon EOS-1D X Mark III is a top-tier flagship DSLR designed for professional sports and wildlife photographers, offering outstanding speed and upgraded internal tech while keeping a 20.1-megapixel resolution to balance image quality and dynamic range. A major standout feature is its new DIGIC X image processor, which works three times faster than the previous model and allows...Read more

G
global.techradar.com
01/08/2022

Review Overview The Canon EOS 1D X Mark III is a highly powerful flagship DSLR built primarily for speed, making it an excellent choice for sports, press, and wedding photographers. Equipped with a new Digic X processor, it achieves shooting speeds of 16 fps through the optical viewfinder and 20 fps in Live View with a virtually unlimited buffer when using CFexpress Type B cards. It...Read more

F
fotografia.it
15/01/2020

Canon EOS-1D X Mark III Review Summary The Canon EOS-1D X Mark III is a highly advanced professional DSLR engineered specifically to meet the high-speed demands of sports and action photographers. Built around a re-engineered 20-megapixel CMOS sensor, the camera features an innovative quad-layer low-pass filter that maximizes sharpness and detail while minimizing moirè. Its standout...Read more

F
focus-review.com
15/08/2020

The Canon EOS-1D X Mark III is a professional full-frame DSLR camera built specifically for action, sports, and press photography, achieving a remarkable overall score of 9.4 out of 10. Tested heavily across high-speed sports like rugby and waterpolo, the camera proved to be exceptionally accurate and reliable. Its core strengths lie in a groundbreaking, highly precise...Read more

P
photofacts.nl
14/08/2020

On the downside, the reviewer notes that the camera is hindered by a relatively low resolution of only 20 megapixels, missing out on the finer detail found in 30+ megapixel bodies. When utilizing the camera's mirrorless/live view mode, users are forced to shoot exclusively via the rear LCD touchscreen as there is no electronic viewfinder, which makes handling large, heavy lenses...Read more

E
eoszine.nl
16/06/2026

The Canon EOS 1DX Mark III is highlighted as a high-end, speed-oriented DSLR flagship specifically built to handle extreme shooting conditions for professional sports, wildlife, and news photographers. Powered by a single DIGIC X processor, the camera significantly improves operational speed, doubles battery life compared to its predecessor, and boasts an upgraded autofocus system...Read more

S
shoot.be
13/01/2020

The Shoot review outlines that the Canon EOS-1D X Mark III serves as a bridge between traditional DSLRs and advanced mirrorless systems, housing its technology inside a rock-solid, fully weather-sealed dual-grip body. The camera is heavily praised for its unprecedented combination of speed, ergonomics, and specifications. Highlighted pros include a brand new 20.1-megapixel...Read more

F
fotoclub.nl
06/11/2020

The Canon EOS-1D X Mark III is Canon's flagship DSLR camera, engineered specifically for high-speed sport, action, and wildlife photography. It features a 20-megapixel full-frame sensor and a dual-autofocus system that uses advanced deep-learning algorithms for highly accurate subject tracking. The camera introduces a brand-new 191-point optical viewfinder AF sensor that excels at...Read more

T
thijsschouten.com
10/03/2026

The review provides a ranked top-10 list of the best DSLR cameras in 2026, structured to guide users from entry-level options to high-end professional gear. The author highlights that because major manufacturers like Canon and Nikon have shifted focus entirely to mirrorless systems, the DSLR market is shrinking, leaving Canon as the primary brand with a diverse lineup, while Nikon...Read more

N
nandoonline.com
09/08/2020

In his real-world field test of the Canon EOS 1Dx Mark III, photographer Nando Harmsen evaluated the camera's high-speed action capabilities by tracking and filming energetic dogs in a local park. Paired with a Canon EF 70-200mm f/2.8L III IS USM lens, the camera’s standout pros included its exceptional shooting speeds of 16 frames per second (fps) using the viewfinder and up to 20...Read more

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