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Oppo A40M (8GB + 256GB) Review | 197 Data compared

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  • Avg. price: ~£130
  • RAM capacity: 8 GB
  • Internal storage: 256 GB
  • Screen size: 6.67 inches
  • Main camera megapixels: 50 MP

Oppo A40M (8GB + 256GB) review. Compare 197 technical specifications and user reviews to see how it ranks among smartphones and if it's worth buying.

6.5

Overall score

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

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

Score components:

90.0%

6.5

Technical Score

10.0%

?

User score

Good
6.5

Technical Score

What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

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

Score components:

25.0%

7.5

Performance & Hardware

18.0%

5.1

Camera

15.0%

5.2

Display

15.0%

7.4

Battery

10.0%

7.5

Software

10.0%

7.0

Connectivity

4.0%

3.4

Audio

3.0%

7.3

Design

Good
?

User score

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

When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

    • No image
    No image

    Best prices

      N/A~ £130

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Technical Specifications of smartphone Oppo A40M (8GB + 256GB)

    Technical Score

    What it is: An assessment of the smartphone's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

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

    Score components:

    25.0%

    ?

    Performance & Hardware

    18.0%

    ?

    Camera

    15.0%

    ?

    Display

    15.0%

    ?

    Battery

    10.0%

    ?

    Software

    10.0%

    ?

    Connectivity

    4.0%

    ?

    Audio

    3.0%

    ?

    Design

    6.5
    Oppo A40M (8GB + 256GB) has a technical score of 6.48 points, which is lower than 80.3% of smartphones.
    User score

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

    When it matters: When you want to know how a smartphone handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    Popularity
    What it is: An indicator based on the number of reviews received by the smartphone.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    1.0
    Oppo A40M (8GB + 256GB) has a popularity of 1 points, which is lower than 67.3% of smartphones.
    Ratio quality/price

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

    When it matters: When you are looking for a smartphone with a good balance between quality and price.

    Score components:

    60.0%

    6.5

    Overall score

    40.0%

    9.8

    Price

    7.8
    Oppo A40M (8GB + 256GB) has a quality-to-price ratio of 7.8 points, which is lower than 56.2% of smartphones.
    Brand name
    What it is: The manufacturer or brand under which the smartphone is marketed and sold.
    When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

    Importance: MEDIUM

    Oppo
    Processor model
    What it is: The central System-on-Chip (SoC) that houses the CPU, GPU, modem, and other core processing components.
    When it matters: When you want to know the specific engine powering your device's speed and features.

    Importance: HIGH

    Qualcomm Snapdragon 6 Gen 1
    Oppo A40M (8GB + 256GB) uses the Qualcomm Snapdragon 6 Gen 1 processor which is faster than processors in 50.4% of smartphones and equal to processors in 1.3% of smartphones.
    RAM capacity
    What it is: The amount of volatile memory available for running apps and multitasking.
    When it matters: When you use multiple apps at once or want smoother multitasking without reloads.

    Importance: HIGH

    Good value: >12 GB

    8 GB
    Oppo A40M (8GB + 256GB) has a RAM capacity of 8 GB which is larger than the RAM capacity of 28.5% of smartphones and equal to that of 30.4% of smartphones.
    Internal storage
    What it is: The total built-in space available for apps, media, and files.
    When it matters: When you keep large libraries of photos, videos, and apps directly on your device.

    Importance: HIGH

    Good value: >256 GB

    256 GB
    Oppo A40M (8GB + 256GB) has an internal storage capacity of 256 GB which is larger than the storage of 38.8% of smartphones and equal to that of 38.3% of smartphones.
    CPU boost clock speed
    What it is: The maximum speed the processor can achieve temporarily under heavy load.
    When it matters: When you run demanding apps or games that require short bursts of peak performance.

    Importance: MEDIUM

    Good value: >3.2 GHz

    2.2 GHz
    The CPU boost clock speed of Oppo A40M (8GB + 256GB) is 2.2 GHz which is lower than the boost speed of 68.4% of smartphones and equal to that of 14.4% of smartphones.
    Show more
    Operating system
    What it is: The primary system software that manages the smartphone's hardware and software resources.
    When it matters: When you have a preference for the user interface and app ecosystem.

    Importance: HIGH

    Android
    Android 14
    Oppo A40M (8GB + 256GB) uses the Android operating system, which outperforms that of 1% of smartphones.
    Android 14
    Android version
    What it is: The specific generation number of the Android operating system installed on the device.
    When it matters: When you want to ensure app compatibility and access to the latest software features.

    Importance: LOW

    Android 14
    Oppo A40M (8GB + 256GB) runs Android version Android 14 which is newer than that found in 49.5% of smartphones and equal to that in 21% of smartphones.
    Direct OS updates
    What it is: Indicates whether the device receives operating system updates directly from the manufacturer or Google, ensuring timely security and feature updates.
    When it matters: When you want the fastest access to new features and security patches.

    Importance: HIGH

    no
    Oppo A40M (8GB + 256GB) does not receive direct OS updates. 20.5% of smartphones receive direct updates.
    Open-source OS
    What it is: Shows whether the device’s operating system is based on open-source code, allowing community contributions and greater transparency.
    When it matters: When you value transparency and potential community-driven modifications.

    Importance: LOW

    yes
    Oppo A40M (8GB + 256GB) uses an open-source OS. 94.6% of smartphones use an open-source OS.
    Dark mode
    What it is: A display option that uses dark backgrounds to reduce eye strain and save battery on OLED screens.
    When it matters: When you want to reduce eye strain at night or save battery on OLED screens.

    Importance: LOW

    yes
    Oppo A40M (8GB + 256GB) offers dark mode. 95.8% of smartphones support this feature.
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    Multi-lens main camera
    What it is: Indicates that the rear camera system includes multiple lenses (e.g., wide, ultra-wide, telephoto) for versatile shooting options.
    When it matters: When you want versatility to shoot wide landscapes, standard shots, and zoomed details.

    Importance: MEDIUM

    no
    Oppo A40M (8GB + 256GB) does not include a multi-lens main camera system. 93.7% of smartphones include multi-lens setups.
    Main camera megapixels
    What it is: The resolution of the primary rear camera sensor, measured in millions of pixels (MP). Higher megapixels can capture more detail.
    When it matters: When you want to capture high-resolution images that can be cropped or printed large.

    Importance: HIGH

    Good value: >50 MP

    50 MP
    Oppo A40M (8GB + 256GB) has a main camera resolution of 50 MP MP which is lower than that of 71.7% of smartphones and equal to that of 2.8% of smartphones.
    Main camera aperture
    What it is: The size of the lens opening (f-stop) that controls light entry. A lower f-number indicates a wider aperture, allowing better low-light shots.
    When it matters: When you want better low-light performance or a natural background blur effect.

    Importance: HIGH

    f/1.8 & f/2.4
    Oppo A40M (8GB + 256GB) has a main camera aperture of f/1.8 & f/2.4 which is narrower than that of 64.3% of smartphones and equal to that of 5.4% of smartphones.
    Main camera sensor area
    What it is: The total physical surface area of the camera sensor (calculated by multiplying the number of megapixels by the square of the individual pixel size). A larger area captures more light, resulting in better night photos and less digital noise.
    When it matters: When you want to capture clear, detailed photos in low-light conditions with minimal grain and achieve a natural, professional-looking background blur for portraits.

    Importance: HIGH

    Good value: >60

    20.5 mm²
    Oppo A40M (8GB + 256GB) has a main camera sensor area of 20.5 mm² which is smaller than the main camera sensor area of 76.1% of smartphones and equal to that of 12.9% of smartphones.
    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: MEDIUM

    Good value: ≥1.2 µm

    0.64 µm
    1.28 binned
    Oppo A40M (8GB + 256GB) has a main camera pixel size of 0.64 µm which is smaller than in 75.1% of smartphones and equal to the size in 18.6% of smartphones.
    1.28 binned
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    Number of SIM slots
    What it is: The number of physical SIM cards or eSIM profiles the device can support simultaneously.
    When it matters: When you need to manage two different phone numbers or travel internationally with a local SIM.

    Importance: MEDIUM

    Good value: ≥2

    2
    Oppo A40M (8GB + 256GB) has 2 SIM slots, which is more than in 3.8% of smartphones and equal to the number in 96.1% of smartphones.
    Cellular module
    What it is: The hardware component capable of connecting to mobile cellular networks for voice and data.
    When it matters: When you need to stay connected to calls and internet away from Wi-Fi.

    Importance: LOW

    yes
    Oppo A40M (8GB + 256GB) includes a cellular module. 100% of smartphones include cellular modules.
    5G connectivity
    What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
    When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

    Importance: MEDIUM

    no
    Oppo A40M (8GB + 256GB) does not support 5G connectivity. 66.9% of smartphones support 5G.
    LTE support
    What it is: Support for Long-Term Evolution (4G) networks, providing high-speed mobile data.
    When it matters: When you need reliable mobile internet coverage in areas where 5G isn't available.

    Importance: HIGH

    yes
    Oppo A40M (8GB + 256GB) supports LTE. 99.7% of smartphones include LTE connectivity.
    Wi-Fi connectivity
    What it is: The ability to connect to wireless local area networks for internet access and local networking.
    When it matters: When you want to save mobile data and connect to home or public networks.

    Importance: HIGH

    yes
    Oppo A40M (8GB + 256GB) supports Wi-Fi connectivity. 100% of smartphones offer Wi-Fi support.
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    Screen size
    What it is: The physical diagonal measurement of the display area, usually expressed in inches.
    When it matters: When you choose between a compact phone for one-handed use or a large screen for media.

    Importance: MEDIUM

    Good value: ≥6.6 inches

    6.67 inches
    Oppo A40M (8GB + 256GB) has a screen size of 6.67 inches which is larger than the screens of 38.3% of smartphones and equal to those of 13.4% of smartphones.
    Screen resolution
    What it is: The total number of pixels displayed on the screen, expressed as width x height, determining sharpness.
    When it matters: When you want crisp text and sharp details in photos and videos.

    Importance: HIGH

    720 x 1604 px
    Oppo A40M (8GB + 256GB) has a screen resolution of 720 x 1604 px which is lower than that of 85.2% of smartphones and equal to that of 2.5% of smartphones.
    Pixel density
    What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
    When it matters: When you want the image to look perfectly smooth with no visible pixels.

    Importance: HIGH

    Good value: >400 ppi

    264 ppi
    Oppo A40M (8GB + 256GB) has a pixel density of 264 ppi which is lower than that of 88.1% of smartphones and equal to that of 2.6% of smartphones.
    Display type
    What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
    When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

    Importance: HIGH

    IPS LCD
    Oppo A40M (8GB + 256GB) uses a IPS LCD display type. 0% of smartphones use this display technology.
    Refresh rate
    What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
    When it matters: When you want scrolling to feel fluid and games to look smoother.

    Importance: HIGH

    Good value: ≥120 Hz

    90 Hz
    Oppo A40M (8GB + 256GB) supports a refresh rate of 90 Hz which is lower than in 65.4% of smartphones and equal to that in 18.9% of smartphones.
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    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: HIGH

    Good value: >5000 mAh

    5100 mAh
    Oppo A40M (8GB + 256GB) has a battery capacity of 5100 mAh which is larger than the batteries in 59.5% of smartphones and equal to those in 2% of smartphones.
    Charging speed
    What it is: The maximum power input supported for wired charging, measured in Watts (W).
    When it matters: When you are in a rush and need to top up your battery quickly.

    Importance: HIGH

    Good value: >60 W

    45 W
    Oppo A40M (8GB + 256GB) supports charging speeds of 45 W which is faster than in 57.1% of smartphones and equal to speeds in 6.6% of smartphones.
    Fast charging
    What it is: In the context of modern electronics, "Fast Charging" refers to any technology that delivers power significantly higher than the traditional USB baseline. While the industry standard for a basic charger is 5W (5V at 1A), a charger is generally classified as a fast charger if it provides at least 18W of power.
    When it matters: When you want to minimize the time your phone spends tethered to a wall outlet.

    Importance: MEDIUM

    yes
    Oppo A40M (8GB + 256GB) supports fast charging. 93.1% of smartphones support fast charging.
    GSMArena full wired charge time
    What it is: The time taken to charge the battery from 0% to 100% using the bundled or recommended charger, as measured by GSMArena.
    When it matters: When you want to know exactly how long it takes to charge from 0 to 100% in real-world tests.

    Importance: MEDIUM

    Good value: <45 min

    ?
    Wireless charging
    What it is: The ability to charge the battery without cables by placing the device on a compatible charging pad.
    When it matters: When you prefer the convenience of dropping your phone on a pad without fumbling with cables.

    Importance: MEDIUM

    no
    Oppo A40M (8GB + 256GB) does not support wireless charging. 25.3% of smartphones support wireless charging.
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    Stereo speakers
    What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
    When it matters: When you watch videos or play games without headphones and want immersive sound.

    Importance: MEDIUM

    no
    Oppo A40M (8GB + 256GB) does not include stereo speakers. 64.5% of smartphones provide stereo audio.
    3.5 mm headphone jack
    What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
    When it matters: When you prefer using traditional wired headphones without dongles or adapters.

    Importance: LOW

    yes
    Oppo A40M (8GB + 256GB) includes a 3.5 mm headphone jack. 45.3% of smartphones still offer this port.
    Number of microphones
    What it is: The total count of microphones on the device, used for audio recording, noise cancellation, and voice isolation.
    When it matters: When you want clear audio recording and better noise cancellation during calls.

    Importance: MEDIUM

    Good value: ≥3

    2
    Oppo A40M (8GB + 256GB) includes 2 microphones, which is more than in 10.5% of smartphones and equal to the number in 66.6% of smartphones.
    FM radio
    What it is: A built-in receiver allowing users to listen to local FM radio stations using wired headphones as an antenna.
    When it matters: When you want to listen to local radio stations without using mobile data.

    Importance: LOW

    no
    Oppo A40M (8GB + 256GB) does not include an FM radio. 33.7% of smartphones offer FM radio functionality.
    aptX Lossless
    What it is: A Bluetooth technology designed to deliver CD-quality audio without data loss during transmission.
    When it matters: When you demand CD-quality audio over Bluetooth with no loss of detail.

    Importance: LOW

    no
    Oppo A40M (8GB + 256GB) does not support aptX Lossless. 12.9% of smartphones provide aptX Lossless.
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    Height
    What it is: The vertical dimension of the device.
    When it matters: When you are concerned about whether the phone will fit in your pocket or purse.

    Importance: LOW

    Good value: <162 mm

    165.77 mm
    Oppo A40M (8GB + 256GB) has a height of 165.77 mm which is taller than 73.7% of smartphones and equal to that of 0.2% of smartphones.
    Width
    What it is: The horizontal dimension of the device when held in portrait orientation.
    When it matters: When you care about how easy the phone is to grip and use with one hand.

    Importance: LOW

    Good value: <75 mm

    76 mm
    Oppo A40M (8GB + 256GB) has a width of 76 mm which is narrower than 47.2% of smartphones and equal to that of 3.2% of smartphones.
    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

    Good value: <8 mm

    7.68 mm
    Oppo A40M (8GB + 256GB) has a thickness of 7.68 mm which is thinner than 85.2% of smartphones and equal to that of 0.4% of smartphones.
    Weight
    What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
    When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

    Importance: MEDIUM

    Good value: <190 g

    186 g
    Oppo A40M (8GB + 256GB) weighs 186 g which is lighter than 75.6% of smartphones and equal to the weight of 2.5% of smartphones.
    Device volume
    What it is: The calculated total volume of the device's physical body.
    When it matters: When you want to understand the overall physical bulk of the device.

    Importance: LOW

    Good value: <98cm³

    87780 cm³
    Oppo A40M (8GB + 256GB) has a device volume of 87780 cm³ which is smaller than 72.7% of smartphones and equal to that of 1.5% of smartphones.
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    Oppo A40M (8GB + 256GB) vs the average smartphone

    • Newer DDR memory version
      Oppo A40M (8GB + 256GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.
      What it is: The generation of DDR (Double Data Rate) RAM used in the device (e.g., LPDDR4X, LPDDR5). Newer versions offer better speed and power efficiency.
      When it matters: When you want the latest balance of high speed and improved power efficiency.

      Importance: MEDIUM

      Good value: 5

      Oppo A40M (8GB + 256GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.5.0 vs 4.0
    • Higher on-device AI tier
      Oppo A40M (8GB + 256GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
      AI Eraser, AI Portrait Retouching, AI Portrait Glow, AI LinkBoost
      What it is: This level indicates how advanced the phone's on-device AI processing is, from basic assistance to more autonomous agentic tasks. A higher level usually enables faster, more private features such as live translation, writing help, and smarter photo edits without relying entirely on cloud processing.
      When it matters: When you travel or work in multiple languages and want instant translation, summarization, or writing help even with weak signal, this level determines how capable those on-device AI tools are.

      Importance: MEDIUM

      Oppo A40M (8GB + 256GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.productivity vs fundamental
    • 51.5% higher screen brightness
      Oppo A40M (8GB + 256GB) has a higher screen brightness than the average smartphone (1000 nits vs 660 nits). The average smartphone brightness is 660 nits.
      What it is: The highest sustained brightness level the screen can achieve to remain visible under direct sunlight.
      When it matters: When you need to read your screen clearly under direct sunlight.

      Importance: MEDIUM

      Good value: >800 nits

      Oppo A40M (8GB + 256GB) has a higher screen brightness than the average smartphone (1000 nits vs 660 nits). The average smartphone brightness is 660 nits.1000 nits vs 660 nits
    • 2% larger battery capacity
      Oppo A40M (8GB + 256GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
      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: HIGH

      Good value: >5000 mAh

      Oppo A40M (8GB + 256GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.5100 mAh vs 5000 mAh
    • 0.62 mm thinner
      Oppo A40M (8GB + 256GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 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

      Good value: <8 mm

      Oppo A40M (8GB + 256GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.7.68 mm vs 8.3 mm
    • Has a 3.5 mm headphone jack
      Oppo A40M (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
      What it is: A standard analog audio port for connecting wired headphones or auxiliary cables.
      When it matters: When you prefer using traditional wired headphones without dongles or adapters.

      Importance: LOW

      Oppo A40M (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • 5.2% lighter
      Oppo A40M (8GB + 256GB) is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.
      What it is: The total mass of the smartphone, affecting how heavy it feels in the hand.
      When it matters: When you want a phone that feels light in your pocket or substantial in your hand.

      Importance: MEDIUM

      Good value: <190 g

      Oppo A40M (8GB + 256GB) is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.186.0 g vs 196.2 g
    • 36.4% faster charging speed
      Oppo A40M (8GB + 256GB) supports a faster charging speed than the average smartphone (45 W vs 33 W). The average charging speed is 33 W.
      What it is: The maximum power input supported for wired charging, measured in Watts (W).
      When it matters: When you are in a rush and need to top up your battery quickly.

      Importance: HIGH

      Good value: >60 W

      Oppo A40M (8GB + 256GB) supports a faster charging speed than the average smartphone (45 W vs 33 W). The average charging speed is 33 W.45 W vs 33 W
    • Newer DDR memory version
      Oppo A40M (8GB + 256GB) supports a newer DDR version than the average smartphone (5.0 vs 4.0). The average DDR version is 4.
    • 16.7% lower TDP
      Oppo A40M (8GB + 256GB) has a lower TDP than the average smartphone (7 W vs 6 W). The average TDP for smartphones is 6 W.
    • Higher on-device AI tier
      Oppo A40M (8GB + 256GB) runs on the productivity AI tier, while the average smartphone runs on fundamental , enabling stronger on-device AI features.
    • 51.5% higher screen brightness
      Oppo A40M (8GB + 256GB) has a higher screen brightness than the average smartphone (1000 nits vs 660 nits). The average smartphone brightness is 660 nits.
    • 2% larger battery capacity
      Oppo A40M (8GB + 256GB) has a larger battery capacity than the average smartphone (5100 mAh vs 5000 mAh). The average smartphone battery is 5000 mAh.
    • 36.4% faster charging speed
      Oppo A40M (8GB + 256GB) supports a faster charging speed than the average smartphone (45 W vs 33 W). The average charging speed is 33 W.
    • Has a 3.5 mm headphone jack
      Oppo A40M (8GB + 256GB) features a 3.5 mm headphone jack, the average smartphone does not. 45.3% of smartphones include a standard headphone jack.
    • 0.62 mm thinner
      Oppo A40M (8GB + 256GB) is thinner than the average smartphone (7.7 mm vs 8.3 mm). The average smartphone thickness is 8.3 mm.
    • 5.2% lighter
      Oppo A40M (8GB + 256GB) is lighter than the average smartphone (186 g vs 196.2 g). The average smartphone weighs 196.2 g.

    Total
    Overall
    Performance & Hardware
    Software
    Display
    Battery
    Audio
    Design
    • 15.8% slower GPU clock
      Oppo A40M (8GB + 256GB) has a lower GPU frequency than the average smartphone (800 MHz vs 950 MHz). The average smartphone has a GPU frequency of 950 MHz.
    • 50% less L3 cache
      Oppo A40M (8GB + 256GB) has a smaller L3 cache than the average smartphone (2048 KB vs 4096 KB). The average smartphone has an L3 cache of 4096 KB.
    • 14.3% lower maximum RAM capacity
      Oppo A40M (8GB + 256GB) supports less maximum RAM than the average smartphone (12 GB vs 14 GB). The average smartphone supports 14 GB of RAM.
    • 8.3% lower CPU boost clock speed
      Oppo A40M (8GB + 256GB) has a lower CPU boost clock speed than the average smartphone (2.2 GHz vs 2.4 GHz). The average smartphone has a boost clock speed of 2.4 GHz.
    • Lacks focus mode
      Oppo A40M (8GB + 256GB) does not have a focus mode, the average smartphone does. 60.4% of smartphones include a dedicated focus mode.
    • Lacks instant markup
      Oppo A40M (8GB + 256GB) does not support instant markup, the average smartphone does. 52.7% of smartphones include instant markup tools.
    • No Wi-Fi password sharing
      Oppo A40M (8GB + 256GB) does not support Wi-Fi password sharing, the average smartphone does. 57.9% of smartphones allow easy Wi-Fi sharing.
    • Lower front camera megapixels
      Oppo A40M (8GB + 256GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
    • Worse main camera video quality
      Oppo A40M (8GB + 256GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
    • Single-lens main camera
      Oppo A40M (8GB + 256GB) has a single-lens main camera, while the average smartphone has a multi-lens setup. 93.7% of smartphones use multiple lenses.
    • 35.9% smaller main camera sensor area
      Oppo A40M (8GB + 256GB) has a smaller main camera sensor area than the average smartphone (20.5 mm² vs 32 mm²). The average smartphone sensor area is 32 mm².
    • Lower-resolution main camera
      Oppo A40M (8GB + 256GB) has a lower-resolution main camera than the average smartphone (50 MP vs 50 MP & 8 MP ). The average smartphone has a 50 MP & 8 MP main camera.
    • 0.16 µm smaller main camera pixel size
      Oppo A40M (8GB + 256GB) has a smaller main camera pixel size than the average smartphone (0.6 µm vs 0.8 µm). The average smartphone has a pixel size of 0.8 µm.
      1.28 binned
    • Narrower main camera aperture
      Oppo A40M (8GB + 256GB) has a narrower main camera aperture than the average smartphone (f/1.8 & f/2.4 vs f/1.8 & f/2.4 & f/2.4 ). The average smartphone aperture is f/1.8 & f/2.4 & f/2.4 .
    • No 5G connectivity
      Oppo A40M (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • Older Bluetooth version
      Oppo A40M (8GB + 256GB) uses an older Bluetooth version than the average smartphone (5.0 vs 5.2). The average smartphone uses Bluetooth 5.2.
    • Inferior display type
      Oppo A40M (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
    • 25% lower refresh rate
      Oppo A40M (8GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
    • 33.2% lower pixel density
      Oppo A40M (8GB + 256GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
    • Lower screen resolution
      Oppo A40M (8GB + 256GB) has a lower screen resolution than the average smartphone (720x 1604 px vs 1080x 2400 px ). The average smartphone has a resolution of 1080x 2400 px .
    • Worse display glass type
      Oppo A40M (8GB + 256GB) uses a worse display glass type than the average smartphone (Panda Glass vs Corning Gorilla Glass 5 ). 0.00% of smartphones use the better glass type.
    • 25% lower touch sampling rate
      Oppo A40M (8GB + 256GB) has a lower touch sampling rate than the average smartphone (180 Hz vs 240 Hz). The average smartphone has a sampling rate of 240 Hz.
    • No stereo speakers
      Oppo A40M (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • No LDAC support
      Oppo A40M (8GB + 256GB) does not support LDAC, the average smartphone does. 60.3% of smartphones support LDAC.
    • Lower IP rating
      Oppo A40M (8GB + 256GB) has a lower IP rating than the average smartphone (IP54 vs IP67 ). 0.00% of smartphones have a higher IP rating.
    • 2.17 mm taller
      Oppo A40M (8GB + 256GB) is taller than the average smartphone (165.8 mm vs 163.6 mm). The average smartphone has a height of 163.6 mm.
    • Inferior display type
      Oppo A40M (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.
      What it is: The specific technology used for the screen panel (e.g., OLED, IPS LCD), influencing contrast, color, and efficiency.
      When it matters: When you care about vibrant colors, deep blacks, and battery efficiency.

      Importance: HIGH

      Oppo A40M (8GB + 256GB) has an inferior display type compared to the average smartphone (IPS LCD vs OLED/AMOLED ). 0.00% of smartphones use the superior display type.IPS LCD vs OLED/AMOLED
    • No 5G connectivity
      Oppo A40M (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
      What it is: Support for the fifth generation of mobile network technology, offering significantly faster data speeds and lower latency.
      When it matters: When you need the fastest possible mobile data speeds for streaming and downloading on the go.

      Importance: MEDIUM

      Oppo A40M (8GB + 256GB) does not support 5G connectivity, the average smartphone does. 66.9% of smartphones are 5G compatible.
    • No stereo speakers
      Oppo A40M (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
      What it is: A setup involving two or more speakers to create a left-right audio separation for immersive sound.
      When it matters: When you watch videos or play games without headphones and want immersive sound.

      Importance: MEDIUM

      Oppo A40M (8GB + 256GB) does not have stereo speakers, the average smartphone does. 64.5% of smartphones feature stereo speakers.
    • Lower front camera megapixels
      Oppo A40M (8GB + 256GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.
      What it is: The resolution of the front-facing camera, measured in megapixels, determining the detail level of selfies.
      When it matters: When you want detailed selfies or high-quality video for calls and streaming.

      Importance: HIGH

      Good value: >16 MP

      Oppo A40M (8GB + 256GB) has lower front camera megapixels than the average smartphone (5 MP vs 16 MP ). The average smartphone has a 16 MP front camera.5 MP vs 16 MP
    • 33.2% lower pixel density
      Oppo A40M (8GB + 256GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.
      What it is: The concentration of pixels on the display, measured in pixels per inch (PPI), affecting image clarity.
      When it matters: When you want the image to look perfectly smooth with no visible pixels.

      Importance: HIGH

      Good value: >400 ppi

      Oppo A40M (8GB + 256GB) has a lower pixel density than the average smartphone (264 ppi vs 395 ppi). The average smartphone has a pixel density of 395 ppi.264 ppi vs 395 ppi
    • 25% lower refresh rate
      Oppo A40M (8GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.
      What it is: The number of times per second the display updates the image, measured in Hertz (Hz); higher rates offer smoother motion.
      When it matters: When you want scrolling to feel fluid and games to look smoother.

      Importance: HIGH

      Good value: ≥120 Hz

      Oppo A40M (8GB + 256GB) has a lower refresh rate than the average smartphone (90 Hz vs 120 Hz). The average smartphone has a refresh rate of 120 Hz.90 Hz vs 120 Hz
    • Lower IP rating
      Oppo A40M (8GB + 256GB) has a lower IP rating than the average smartphone (IP54 vs IP67 ). 0.00% of smartphones have a higher IP rating.
      What it is: A standardized code (Ingress Protection) indicating the device's resistance to dust and water intrusion.
      When it matters: When you want to know if your phone can survive a splash, a dunk, or a dusty environment.

      Importance: MEDIUM

      Oppo A40M (8GB + 256GB) has a lower IP rating than the average smartphone (IP54 vs IP67 ). 0.00% of smartphones have a higher IP rating.IP54 vs IP67
    • Worse main camera video quality
      Oppo A40M (8GB + 256GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.
      What it is: The maximum resolution and frame rate at which the main rear camera can record video.
      When it matters: When you want to record memories or content in high definition or 4K.

      Importance: MEDIUM

      Oppo A40M (8GB + 256GB) records worse main camera video than the average smartphone. 11.80x of smartphones support 4K video recording.1080x 30 fps vs 2160x 30 fps
    Total
    Overall
    Performance & Hardware
    Software
    Camera
    Connectivity
    Display
    Audio
    Design

    Graphic comparison of Oppo A40M (8GB + 256GB) and other smartphones

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    Third-party reviews

    What customers like about Oppo A40M (8GB + 256GB)?

    • High durability with MIL-STD-810H military-grade shock resistance and IP54 dust/water resistance
    • Long-lasting 5,100mAh battery that can often last into a second day with casual use
    • Generous internal storage of 256GB, which is also expandable via microSD card
    • Fast 45W SUPERVOOC charging capability
    • Smooth visual experience provided by the 90Hz refresh rate on the 6.67-inch display
    • Includes a 3.5mm headphone jack and NFC for contactless payments

    What customers dislike about Oppo A40M (8GB + 256GB)?

    • Underpowered Snapdragon 6s 4G Gen1 processor that can lead to slow performance and lag
    • Poor gaming performance, specifically struggling with titles like PUBG Mobile even on low settings
    • Camera quality is mediocre, especially in low-light conditions or when using digital zoom
    • Lower display resolution (HD+ only) and limited peak brightness for outdoor use in direct sunlight
    • Single speaker lacks depth and clarity at higher volumes
    • May experience overheating issues under heavy load

    Expert reviews

    H
    hi-tech.ua
    ?
    13/01/2025
    Oppo A40m (CPH2669) smartphone review: beginning

    The OPPO A40m (CPH2669) is a durable, budget-friendly smartphone featuring a 6.67-inch, 1000-nit, 90Hz display, a 5100mAh battery with 45W fast charging, and significant MIL-STD 810H shock resistance. While offering 8GB of RAM and 256GB of storage, performance is driven by an older Qualcomm Snapdragon 6s 4G Gen1 processor (a rebranded Snapdragon 662), which may limit performance in...Read more

    S
    smartzone.de
    ?
    13/03/2025
    Oppo A40M Review - Smartzone

    The Smartzone.de review defines the Oppo A40m as a durable, budget-friendly device highlighted by military-grade (MIL-STD 810H) shock resistance and IP54 splash protection. It features a 6.67-inch, 90Hz LCD screen with a 720p resolution, paired with a 5,100mAh battery supporting 45W fast charging. Pros include its sturdy build, large 256GB storage capacity, and fast charging, while...Read more

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