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Garmin Epix Pro Gen 2 Sapphire 51mm Review | 126 Data compared

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  • Avg. price: ~£550
  • Screen size: 1.40 inch
  • Battery life: 31 day/s
  • Display type: AMOLED

Garmin Epix Pro Gen 2 Sapphire 51mm review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

8.5

Overall score

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

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

Score components:

90.0%

8.6

Technical Score

10.0%

7.7

User score

Excellent
8.6

Technical Score

What it is: An assessment of the smartwatch'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 Smartwatches based on technical performance and available features.

Score components:

24.0%

8.7

Health

21.0%

9.9

Fitness

16.0%

8.5

Battery

14.0%

7.9

Smart features

12.0%

8.5

Connectivity

9.0%

7.9

Display & Design

4.0%

5.7

Hardware

Excellent
7.7

User score

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

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

Score components:

70.0%

9.4

User reviews

30.0%

3.6

Popularity

User score:
amazon
4.7
(57)
amazon
5.0
(5)

(Reviews last updated: Apr 2026)

Very good
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    Best prices

    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 smartwatch Garmin Epix Pro Gen 2 Sapphire 51mm

    Technical Score

    What it is: An assessment of the smartwatch'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 Smartwatches based on technical performance and available features.

    Score components:

    24.0%

    8.7

    Health

    21.0%

    9.9

    Fitness

    16.0%

    8.5

    Battery

    14.0%

    7.9

    Smart features

    12.0%

    8.5

    Connectivity

    9.0%

    7.9

    Display & Design

    4.0%

    5.7

    Hardware

    8.6
    Garmin Epix Pro Gen 2 Sapphire 51mm has a technical score of 8.59 points, which is higher than 98.3% of smartwatches.
    User score

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

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

    Score components:

    70.0%

    9.4

    User reviews

    30.0%

    3.6

    Popularity

    User score:
    amazon
    4.7
    (57)
    amazon
    5.0
    (5)

    (Reviews last updated: Apr 2026)

    7.7
    Garmin Epix Pro Gen 2 Sapphire 51mm has a user score of 7.69 points, which is lower than 73.8% of smartwatches.
    Popularity
    What it is: An indicator based on the number of reviews received by the smartwatch.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    3.6
    Garmin Epix Pro Gen 2 Sapphire 51mm has a popularity of 3.6 points, which is higher than 54.3% of smartphones.
    Ratio quality/price

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

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

    Score components:

    60.0%

    8.5

    Overall score

    40.0%

    7.6

    Price

    8.2
    Garmin Epix Pro Gen 2 Sapphire 51mm has a quality-to-price ratio of 8.2 points, which is higher than 81.7% of smartphones.
    Brand name
    What it is: The company that designs, sells, and supports the watch.
    When it matters: When brand ecosystem, style, or support matters to you.

    Importance: MEDIUM

    Garmin
    Heart rate monitor
    What it is: A built-in sensor that measures your pulse directly from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm includes a heart rate monitor. 90.4% of smartwatches include a heart rate monitor.
    Blood oxygen monitoring
    What it is: A wrist-based feature that estimates blood oxygen saturation over time.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports blood oxygen monitoring. 64.4% of smartwatches support blood oxygen monitoring.
    ECG
    What it is: The ability to record a single-lead electrocardiogram from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports ECG. 15.1% of smartwatches support ECG.
    Availability may vary by region or model version. May require a compatible phone, software version, or app setup.
    Irregular heart rate warnings
    What it is: Notifications that flag heart-rate patterns which appear unusually irregular.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports irregular heart rate warnings. 43.7% of smartwatches support irregular heart rate warnings.
    Show more
    Accelerometer
    What it is: A motion sensor that measures acceleration, steps, gestures, and general movement.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm includes an accelerometer. 99.1% of smartwatches include an accelerometer.
    Barometer
    What it is: A pressure sensor used for altitude changes, elevation estimates, and weather-related context.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm includes a barometer. 45.6% of smartwatches include a barometer.
    Gyroscope
    What it is: A motion sensor that measures rotation and helps interpret wrist movement more accurately.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm includes a gyroscope. 64.6% of smartwatches include a gyroscope.
    Cadence sensor
    What it is: A sensor input used to measure step or pedal rhythm during training.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    ?
    Distance tracking
    What it is: The ability to measure how far you move during walks, runs, rides, or other activities.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports distance tracking. 95.7% of smartwatches support distance tracking.
    Show more
    Battery life
    What it is: The typical endurance the watch can deliver on a full charge under the stated usage pattern.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=7 days

    31 day/s
    Garmin Epix Pro Gen 2 Sapphire 51mm offers a battery life of 31 day/s which is longer than that of 97.3% of smartwatches and equal to that of 0.1% of smartwatches.
    31 (with wrist gesture, 11 days with always-on.
    Battery life in training mode
    What it is: The expected endurance while workout tracking and related training functions are active.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=36.8 h

    82 h
    Garmin Epix Pro Gen 2 Sapphire 51mm lasts 82 h in training mode which is longer than 96.4% of smartwatches of smartwatches.
    42 (using GPS only mode, 30 hours with always-on.
    Battery life with GPS on
    What it is: The expected runtime when satellite tracking stays active throughout use.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=35 h

    57 h
    Garmin Epix Pro Gen 2 Sapphire 51mm lasts 57 h with GPS on which is longer than 95.7% of smartwatches and equal to that of 0.9% of smartwatches.
    58 hours with always-on.
    Battery power
    What it is: The battery capacity, usually measured in milliampere-hours (mAh).
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=397 mAh

    82 mAh
    Garmin Epix Pro Gen 2 Sapphire 51mm has a battery capacity of 82 mAh which is smaller than the batteries in 99.6% of smartwatches of smartwatches.
    Charge time
    What it is: The time needed to recharge the battery from empty to full or to a stated percentage.
    When it matters: When you want to top up the battery quickly.

    Importance: HIGH

    Good value: <=102 min

    ?
    Show more
    Operating system
    What it is: The software platform that runs the watch interface, apps, and core functions.
    When it matters: When you care about apps, features, and long-term support.

    Importance: HIGH

    Garmin OS
    Garmin Epix Pro Gen 2 Sapphire 51mm runs Garmin OS which is more advanced than the operating system in 71.1% of smartwatches and the same as that in 7.7% of smartwatches.
    Software update frequency
    What it is: Shows how actively the watch is still updated: regular means ongoing updates throughout active support, occasional means updates every few months or only from time to time, and ended means active software support has mostly stopped.
    When it matters: When you care how actively the watch is still supported with fixes, patches, and new features.

    Importance: MEDIUM

    occasional
    Garmin Epix Pro Gen 2 Sapphire 51mm has occasional software update support which is more active than that of 57.6% of smartwatches and equal to that of 36.2% of smartwatches.
    Updates are typically released about every 3 months.
    Third-party app support
    What it is: Support for installing or using apps from developers beyond the watch maker.
    When it matters: When you care about apps, features, and long-term support.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports third-party apps. 47.6% of smartwatches support third-party apps.
    Notifications
    What it is: Mirroring of calls, messages, apps, or other alerts on the watch.
    When it matters: When you want to check alerts without taking out your phone.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports notifications. 99.9% of smartwatches support notifications.
    Voice assistant support
    What it is: Support for a voice assistant that can answer queries or trigger actions from the wrist.
    When it matters: When you want to control the watch or reply without typing.

    Importance: MEDIUM

    no
    Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice assistants. 68% of smartwatches support voice assistants.
    Show more
    Cellular module
    What it is: Built-in mobile connectivity that can keep the watch online away from the phone.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: HIGH

    no
    Garmin Epix Pro Gen 2 Sapphire 51mm does not include a cellular module. 17.2% of smartwatches include a cellular module.
    SIM cards
    What it is: The number or type of SIM options the watch accepts for cellular service.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: LOW

    Good value: eSIM support

    0
    GPS
    What it is: Built-in satellite positioning that lets the watch record location during outdoor activity.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: HIGH

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports GPS. 56.1% of smartwatches support GPS.
    Galileo support
    What it is: Support for Galileo satellites alongside other positioning systems.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm supports Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    Compass
    What it is: A directional sensor that helps the watch determine heading and orientation.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Garmin Epix Pro Gen 2 Sapphire 51mm includes a compass. 49.3% of smartwatches include a compass.
    Show more
    Screen size
    What it is: The diagonal measurement of the visible display area, usually expressed in inches.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    Good value: >=1.5 inch

    1.40 inch
    Garmin Epix Pro Gen 2 Sapphire 51mm has a screen size of 1.40 inch which is larger than the screens of 49.2% of smartwatches and equal to those of 6.8% of smartwatches.
    Display type
    What it is: The screen technology used by the watch, such as AMOLED, OLED, or memory-in-pixel LCD.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    AMOLED
    Garmin Epix Pro Gen 2 Sapphire 51mm uses a AMOLED display type which is more advanced than that of 48.8% of smartwatches and the same as that of 51.3% of smartwatches.
    Resolution
    What it is: The total number of pixels available on the watch display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=416 x 416

    454 x 454
    Garmin Epix Pro Gen 2 Sapphire 51mm has a display resolution of 454 x 454 which is higher than that of 79.9% of smartwatches and equal to that of 6.7% of smartwatches.
    Pixel density
    What it is: The number of pixels packed into each inch of the display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=326 ppi

    459 ppi
    Garmin Epix Pro Gen 2 Sapphire 51mm has a pixel density of 459 ppi which is higher than that of 78.4% of smartwatches and equal to that of 1% of smartwatches.
    Display brightness
    What it is: The peak brightness the display can reach, usually expressed in nits.
    When it matters: When you want the screen to stay readable outdoors and in strong sunlight.

    Importance: HIGH

    Good value: >=1000 nits

    1,000 nits
    Garmin Epix Pro Gen 2 Sapphire 51mm reaches 1000 nits nits of display brightness, which is higher than that of 59.5% of smartwatches and equal to that of 26.5% of smartwatches.
    Show more
    CPU speed
    What it is: The clock speed of the watch processor, usually expressed in GHz or MHz.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: Modern standard

    0.2 GHz
    Garmin Epix Pro Gen 2 Sapphire 51mm uses a CPU configuration of 0.2 GHz which is slower than that in 78% of smartwatches and equal to that in 5.2% of smartwatches.
    Processor model
    What it is: The processor model is the chipset or SoC that powers the watch's performance, connectivity, and efficiency.
    When it matters: When you care about app responsiveness, platform generation, and long-term feature support.

    Importance: LOW

    Good value: modern smartwatch chipset

    ?
    RAM
    What it is: The amount of working memory available for apps, watch faces, and background tasks.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: >=1 GB

    ?
    Internal storage
    What it is: Built-in storage for apps, music, watch faces, and other local data.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: MEDIUM

    Good value: >=8 GB

    32 GB
    Garmin Epix Pro Gen 2 Sapphire 51mm uses 32 GB for internal storage which is larger than that of 84.8% of smartwatches and equal to that of 13.4% of smartwatches.
    External memory slot
    What it is: A slot for expandable storage such as a memory card, if the watch provides one.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: LOW

    no
    Garmin Epix Pro Gen 2 Sapphire 51mm does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Garmin Epix Pro Gen 2 Sapphire 51mm vs the average smartwatch

    • 24 day/s longer battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm offers 31 day/s of battery life, while the average smartwatch offers 7 day/s.
      31 (with wrist gesture, 11 days with always-on.
      What it is: The typical endurance the watch can deliver on a full charge under the stated usage pattern.
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=7 days

      Garmin Epix Pro Gen 2 Sapphire 51mm offers 31 day/s of battery life, while the average smartwatch offers 7 day/s.31 day/s vs 7 day/s
    • Has ECG
      Garmin Epix Pro Gen 2 Sapphire 51mm supports ECG, the average smartwatch does not. 15.1% of smartwatches support ECG.
      Availability may vary by region or model version. May require a compatible phone, software version, or app setup.
      What it is: The ability to record a single-lead electrocardiogram from the wrist.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Garmin Epix Pro Gen 2 Sapphire 51mm supports ECG, the average smartwatch does not. 15.1% of smartwatches support ECG.
    • Stronger display glass
      Garmin Epix Pro Gen 2 Sapphire 51mm uses sapphire display glass, while the average smartwatch uses mineral glass.
      Power Sapphire branding
      What it is: The glass material or protective cover used over the display.
      When it matters: When you want the screen to be easy to read at a glance.

      Importance: MEDIUM

      Good value: Sapphire or Gorilla Glass

      Garmin Epix Pro Gen 2 Sapphire 51mm uses sapphire display glass, while the average smartwatch uses mineral glass.sapphire vs mineral glass
    • 28 GB more storage
      Garmin Epix Pro Gen 2 Sapphire 51mm offers more internal storage than the average smartwatch (32 GB vs 4 GB). The average smartwatch provides 4 GB of storage.
      What it is: Built-in storage for apps, music, watch faces, and other local data.
      When it matters: When you want more room for apps, music, or offline data.

      Importance: MEDIUM

      Good value: >=8 GB

      Garmin Epix Pro Gen 2 Sapphire 51mm offers more internal storage than the average smartwatch (32 GB vs 4 GB). The average smartwatch provides 4 GB of storage.32 GB vs 4 GB
    • 62 h longer training battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer in training mode than the average smartwatch (82 h vs 20 h). The average smartwatch lasts 20 h.
      42 (using GPS only mode, 30 hours with always-on.
      What it is: The expected endurance while workout tracking and related training functions are active.
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=36.8 h

      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer in training mode than the average smartwatch (82 h vs 20 h). The average smartwatch lasts 20 h.82 h vs 20 h
    • 37 h longer GPS battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer with GPS on than the average smartwatch (57 h vs 20 h). The average smartwatch lasts 20 h.
      58 hours with always-on.
      What it is: The expected runtime when satellite tracking stays active throughout use.
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=35 h

      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer with GPS on than the average smartwatch (57 h vs 20 h). The average smartwatch lasts 20 h.57 h vs 20 h
    • Has NFC
      Garmin Epix Pro Gen 2 Sapphire 51mm supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
      What it is: Near-field communication hardware used for payments, pairing, or quick tap-based actions.
      When it matters: When you want to pay quickly or pair devices with a tap.

      Importance: HIGH

      Garmin Epix Pro Gen 2 Sapphire 51mm supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Has temperature sensor
      Garmin Epix Pro Gen 2 Sapphire 51mm includes a temperature sensor, the average smartwatch does not. 22.3% of smartwatches include a temperature sensor.
      What it is: A sensor that records skin or wrist temperature changes and longer-term trends.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: MEDIUM

      Garmin Epix Pro Gen 2 Sapphire 51mm includes a temperature sensor, the average smartwatch does not. 22.3% of smartwatches include a temperature sensor.
    • Has ECG
      Garmin Epix Pro Gen 2 Sapphire 51mm supports ECG, the average smartwatch does not. 15.1% of smartwatches support ECG.
    • Has temperature sensor
      Garmin Epix Pro Gen 2 Sapphire 51mm includes a temperature sensor, the average smartwatch does not. 22.3% of smartwatches include a temperature sensor.
    • Has HRV tracking
      Garmin Epix Pro Gen 2 Sapphire 51mm supports HRV tracking, the average smartwatch does not. 38.2% of smartwatches support HRV tracking.
    • Has readiness score
      Garmin Epix Pro Gen 2 Sapphire 51mm supports readiness scores, the average smartwatch does not. 18.4% of smartwatches support readiness scores.
    • Supports VO2 max
      Garmin Epix Pro Gen 2 Sapphire 51mm measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
    • Has irregular heart alerts
      Garmin Epix Pro Gen 2 Sapphire 51mm supports irregular heart rate warnings, the average smartwatch does not. 43.7% of smartwatches support irregular heart rate warnings.
    • Has sweat tracking
      Garmin Epix Pro Gen 2 Sapphire 51mm tracks perspiration, the average smartwatch does not. 11% of smartwatches track perspiration.
    • Has weight tracking
      Garmin Epix Pro Gen 2 Sapphire 51mm supports weight tracking, the average smartwatch does not. 39.2% of smartwatches support weight tracking.
    • Supports water intake tracking
      Garmin Epix Pro Gen 2 Sapphire 51mm tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • Has multi-sport mode
      Garmin Epix Pro Gen 2 Sapphire 51mm includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
    • Has barometer
      Garmin Epix Pro Gen 2 Sapphire 51mm includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Has external HR monitor
      Garmin Epix Pro Gen 2 Sapphire 51mm supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • 24 day/s longer battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm offers 31 day/s of battery life, while the average smartwatch offers 7 day/s.
    • 62 h longer training battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer in training mode than the average smartwatch (82 h vs 20 h). The average smartwatch lasts 20 h.
    • 37 h longer GPS battery life
      Garmin Epix Pro Gen 2 Sapphire 51mm lasts longer with GPS on than the average smartwatch (57 h vs 20 h). The average smartwatch lasts 20 h.
    • Has NFC
      Garmin Epix Pro Gen 2 Sapphire 51mm supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Includes maps
      Garmin Epix Pro Gen 2 Sapphire 51mm supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has compass
      Garmin Epix Pro Gen 2 Sapphire 51mm includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Garmin Epix Pro Gen 2 Sapphire 51mm supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Supports ANT+
      Garmin Epix Pro Gen 2 Sapphire 51mm supports ANT+, the average smartwatch does not. 9.5% of smartwatches support ANT+.
    • Supports Galileo
      Garmin Epix Pro Gen 2 Sapphire 51mm supports Galileo navigation, the average smartwatch does not. 38.7% of smartwatches support Galileo navigation.
    • Stronger display glass
      Garmin Epix Pro Gen 2 Sapphire 51mm uses sapphire display glass, while the average smartwatch uses mineral glass.
    • 400 nits higher display brightness
      Garmin Epix Pro Gen 2 Sapphire 51mm has higher display brightness than the average smartwatch (1,000 nits nits vs 600 nits nits). The average smartwatch reaches 600 nits nits.
    • 50 m greater waterproof depth
      Garmin Epix Pro Gen 2 Sapphire 51mm has a deeper waterproof rating than the average smartwatch (100 m vs 50 m). The average smartwatch reaches 50 m.
    • Higher resolution
      Garmin Epix Pro Gen 2 Sapphire 51mm has a display resolution of 454x 454, while the average smartwatch reaches 352x 430.
    • 133 ppi higher pixel density
      Garmin Epix Pro Gen 2 Sapphire 51mm has a higher pixel density than the average smartwatch (459 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • 2 mm narrower band
      Garmin Epix Pro Gen 2 Sapphire 51mm has a narrower band width than the average smartwatch (20 mm vs 22.0 mm). The average smartwatch band is 22.0 mm wide.
    • Includes crash detection
      Garmin Epix Pro Gen 2 Sapphire 51mm supports crash detection, the average smartwatch does not. 11.5% of smartwatches support crash detection.
    • Supports Emergency SOS
      Garmin Epix Pro Gen 2 Sapphire 51mm includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
    • More advanced operating system
      Garmin Epix Pro Gen 2 Sapphire 51mm runs a more advanced operating system than the average smartwatch (Garmin OS vs Proprietary OS).
    • Supports third-party apps
      Garmin Epix Pro Gen 2 Sapphire 51mm supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • More frequent updates
      Garmin Epix Pro Gen 2 Sapphire 51mm receives occasional software updates, while the average smartwatch receives ended updates.
    • 28 GB more storage
      Garmin Epix Pro Gen 2 Sapphire 51mm offers more internal storage than the average smartwatch (32 GB vs 4 GB). The average smartwatch provides 4 GB of storage.
    • 2 year/s newer release date
      Garmin Epix Pro Gen 2 Sapphire 51mm has a newer release date than the average smartwatch (2023 vs 2021). The average smartwatch was released in 2021.

    Total
    Overall
    Health
    Fitness
    Battery
    Connectivity
    Display & Design
    Smart features
    Hardware
    • 218 mAh smaller battery capacity
      Garmin Epix Pro Gen 2 Sapphire 51mm has a smaller battery capacity than the average smartwatch (82 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • 43 g heavier weight
      Garmin Epix Pro Gen 2 Sapphire 51mm is heavier than the average smartwatch (88 g vs 45 g). The average smartwatch weighs 45 g.
    • 3.3 mm thicker watch body
      Garmin Epix Pro Gen 2 Sapphire 51mm is thicker than the average smartwatch (14.9 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
    • 9 mm wider watch width
      Garmin Epix Pro Gen 2 Sapphire 51mm is wider than the average smartwatch (51 mm vs 42.0 mm). The average smartwatch width is 42.0 mm.
    • No voice commands
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
    • No voice assistant
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
    • No smart alarm
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
      Only standard alarm functionality is available.
    • No speaker
      Garmin Epix Pro Gen 2 Sapphire 51mm does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • 1 fewer microphones
      Garmin Epix Pro Gen 2 Sapphire 51mm has fewer microphones than the average smartwatch (0 vs 1). The average smartwatch includes 1 microphones.
    • Slower CPU speed
      Garmin Epix Pro Gen 2 Sapphire 51mm uses a CPU configuration of 0.2 GHz, while the average smartwatch uses 1 GHz.
    • No speaker
      Garmin Epix Pro Gen 2 Sapphire 51mm does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
      What it is: An onboard speaker for calls, prompts, alarms, or media playback.
      When it matters: When you want audio, calls, or voice features on the watch itself.

      Importance: LOW

      Garmin Epix Pro Gen 2 Sapphire 51mm does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • 218 mAh smaller battery capacity
      Garmin Epix Pro Gen 2 Sapphire 51mm has a smaller battery capacity than the average smartwatch (82 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
      What it is: The battery capacity, usually measured in milliampere-hours (mAh).
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=397 mAh

      Garmin Epix Pro Gen 2 Sapphire 51mm has a smaller battery capacity than the average smartwatch (82 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.82 mAh vs 300 mAh
    • No voice commands
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
      What it is: The ability to control functions or start actions using spoken commands.
      When it matters: When you want to control the watch or reply without typing.

      Importance: MEDIUM

      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
    • No voice assistant
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
      What it is: Support for a voice assistant that can answer queries or trigger actions from the wrist.
      When it matters: When you want to control the watch or reply without typing.

      Importance: MEDIUM

      Garmin Epix Pro Gen 2 Sapphire 51mm does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
    • No smart alarm
      Garmin Epix Pro Gen 2 Sapphire 51mm does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
      Only standard alarm functionality is available.
      What it is: A smart alarm tries to wake you during a lighter sleep phase within a chosen time window instead of at one fixed minute.
      When it matters: It matters if you wear your smartwatch overnight and want a gentler wake-up based on your sleep pattern rather than a standard fixed alarm.

      Importance: LOW

      Garmin Epix Pro Gen 2 Sapphire 51mm does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
    • 1 fewer microphones
      Garmin Epix Pro Gen 2 Sapphire 51mm has fewer microphones than the average smartwatch (0 vs 1). The average smartwatch includes 1 microphones.
      What it is: The count of microphones built into the watch.
      When it matters: When you want audio, calls, or voice features on the watch itself.

      Importance: LOW

      Good value: >=2

      Garmin Epix Pro Gen 2 Sapphire 51mm has fewer microphones than the average smartwatch (0 vs 1). The average smartwatch includes 1 microphones.0 vs 1
    • 43 g heavier weight
      Garmin Epix Pro Gen 2 Sapphire 51mm is heavier than the average smartwatch (88 g vs 45 g). The average smartwatch weighs 45 g.
      What it is: The total mass of the watch body, usually expressed in grams.
      When it matters: When you wear the watch all day or sleep with it on.

      Importance: HIGH

      Good value: <=37 g

      Garmin Epix Pro Gen 2 Sapphire 51mm is heavier than the average smartwatch (88 g vs 45 g). The average smartwatch weighs 45 g.88.0 g vs 45 g
    • 4.23x more expensive
      Garmin Epix Pro Gen 2 Sapphire 51mm is more expensive than the average smartwatch (£550 vs £130).
      Garmin Epix Pro Gen 2 Sapphire 51mm is more expensive than the average smartwatch (£550 vs £130).£550 vs £130
    Total
    Overall
    Battery
    Display & Design
    Smart features
    Hardware

    Graphic comparison of Garmin Epix Pro Gen 2 Sapphire 51mm and other Smartwatches

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    Third-party reviews

    amazon
    4.7
    57 Reviews
    amazon
    5.0
    5 Reviews

    (Reviews last updated: Apr 2026)

    What customers like about Garmin Epix Pro Gen 2 Sapphire 51mm?

    • Stunning 1.4-inch AMOLED touchscreen that is crisp, vibrant, and easily readable even in direct sunlight.
    • Exceptional battery life for the 51mm model, lasting up to 31 days in smartwatch mode or roughly 11 days with Always-On Display (AOD).
    • Highly accurate multi-band GPS/GNSS and updated Gen 5 optical heart rate sensor.
    • Premium, durable construction featuring a scratch-resistant sapphire crystal lens and lightweight titanium bezel.
    • Integrated LED flashlight with multiple intensities, which users find surprisingly useful for night activities.
    • Deep ecosystem of performance metrics including Training Readiness, Hill Score, and Endurance Score.

    What customers dislike about Garmin Epix Pro Gen 2 Sapphire 51mm?

    • Significant physical bulk and weight (51mm size) can be uncomfortable for users with smaller wrists or for sleeping.
    • Premium price point makes it difficult to justify over more affordable models like the Forerunner 965 or standard Epix.
    • Underwhelming unboxing experience with basic cardboard packaging compared to previous premium Garmin models.
    • Occasional software lag and a 'clunky' UI experience reported when navigating complex maps or menus.
    • Limited bank support for Garmin Pay, especially in certain regions like the UK.
    • Connectivity issues with offline music playback, such as Spotify tracks pausing or causing headphone disconnections.

    Expert reviews

    W
    wareable.com
    31/05/2023
    Garmin Epix Pro (Gen 2) review

    The Garmin Epix Pro (Gen 2) is a premium multisport watch featuring a vibrant AMOLED display, an integrated LED flashlight, and improved heart rate sensors across three size options. It excels in performance with top-tier GPS accuracy and new training metrics, such as Endurance and Hill Scores, while maintaining strong battery life, particularly on the 51mm model. While it is...Read more

    T
    trustedreviews.com
    13/07/2023
    Garmin Epix Pro (Gen 2) Review

    The Garmin Epix Pro (Gen 2) is a premium multisport watch featuring a vibrant AMOLED display, an integrated LED flashlight, and three size options (42mm, 47mm, 51mm). It introduces advanced tracking metrics, including Hill Score and Endurance Score, alongside an upgraded heart rate sensor for improved performance analysis. While praised for its exceptional brightness, fast...Read more

    D
    digitaltrends.com
    05/06/2023
    Garmin Epix Pro (Gen 2) review: I’ve used smartwatches for 10 years, but this one overwhelmed me

    The Digital Trends review describes the Garmin Epix Pro (Gen 2) as a premium, durable, and highly capable hybrid of a rugged outdoor tool and a modern smartwatch, featuring a vibrant AMOLED display, 10 ATM water resistance, and a useful built-in LED flashlight. Key pros include comprehensive activity tracking, three size options (42mm, 47mm, 51mm), and impressive battery life,...Read more

    C
    coachweb.com
    31/05/2023
    The Garmin Epix 2 Pro’s Most Exciting New Features Ranked After 14 Days Of Testing

    The Garmin Epix Pro (Gen 2) is a significant upgrade that successfully merges a vibrant AMOLED display with the elite performance of the Fenix line. Key hardware improvements include the addition of a built-in LED flashlight across all models and the expansion of the range to include 42mm, 47mm, and 51mm sizes, with the latter offering 11-day battery life even in "always-on" mode....Read more

    T
    treelinereview.com
    28/06/2024
    Garmin epix Pro (Gen 2) GPS Watch Review

    The Treeline Review of the Garmin Epix Pro (Gen 2) highlights the device as a premier luxury multisport watch, emphasizing its vibrant AMOLED touchscreen, exceptional battery life of up to 31 days (51mm model), and a highly functional built-in LED flashlight. Key performance features include an updated Gen 5 heart rate sensor for improved accuracy, the introduction of three size...Read more

    R
    roadtrailrun.com
    09/08/2023
    Garmin Epix Pro (Gen 2) Review - 51 mm Sapphire DLC Titanium

    The Garmin Epix Pro (Gen 2) 51mm Sapphire edition merges rugged Fenix functionality with a bright 1.4-inch AMOLED display, featuring the new Elevate V5 heart rate sensor, a built-in LED flashlight, and superior battery life lasting up to 31 days in smartwatch mode. Key performance advantages include multi-band GNSS for high GPS accuracy, advanced metrics like Hill and Endurance...Read more

    I
    imtest.de
    24/02/2026
    Garmin Epix Pro: What this outdoor smartwatch can do

    The Garmin Epix Pro emerges as a premier, high-end outdoor smartwatch now available in 42mm, 47mm, and 51mm sizes, featuring a bright, high-contrast AMOLED display. Key hardware advancements include a built-in LED flashlight across all models and the upgraded 'Elevate 5.0' heart rate sensor for increased accuracy. Performance is driven by multi-band GPS and the energy-efficient...Read more

    (Translated)Show original
    I
    imtest.de
    21/02/2026
    Garmin Epix Pro: What the Outdoor Smartwatch Can Do - IMTEST Navigation-Professional +5

    The Garmin Epix Pro (Gen 2) introduced three distinct case sizes (42mm, 47mm, 51mm) to fit diverse wrist sizes, featuring a vibrant AMOLED touchscreen and an integrated LED flashlight for enhanced utility. Performance is driven by the Elevate Gen 5 heart rate sensor, improved training metrics like Hill Score and Endurance Score, and multi-band GPS with SatIQ for superior tracking...Read more

    (Translated)Show original
    A
    auffimuasi.at
    07/08/2023
    Garmin Epix Pro Sapphire 51mm: Hands-on review by auffimuasi

    The Garmin Epix Pro Sapphire 51mm is a high-performance smartwatch featuring a 1.4-inch AMOLED display, a durable titanium bezel with a scratch-resistant sapphire lens, and a versatile built-in LED flashlight. Key advantages include an upgraded Elevate V5 heart rate sensor, multi-band GNSS for superior GPS accuracy, and impressive battery life, lasting up to 31 days in smartwatch...Read more

    (Translated)Show original
    N
    navigation-professionell.de
    10/10/2023
    Is the Garmin epix Pro the best outdoor sports watch? Review & experiences

    The Garmin Epix Pro (Gen 2) is a premium multisport smartwatch offering three case sizes (42mm, 47mm, 51mm), a vibrant AMOLED display, and a built-in LED flashlight. It features the advanced Elevate V5 heart rate sensor, designed for improved accuracy and future ECG functionality, with the 51mm model delivering up to 31 days of battery life in smartwatch mode. The device excels in...Read more

    (Translated)Show original
    C
    computerbild.de
    21/08/2023
    Garmin Epix Pro (Gen 2) im Test: Ein Muss für Outdoor-Sportler?

    The Garmin Epix Pro (Gen 2) is a premium, rugged outdoor smartwatch featuring a vibrant AMOLED touchscreen alongside a traditional five-button layout. It excels in durability and offers precise GPS and heart rate tracking, making it a top choice for serious athletes. Key pros include accurate performance metrics, such as the Hill Score and Endurance Score, a built-in LED flashlight...Read more

    (Translated)Show original
    S
    supvienna.com
    22/10/2023
    Garmin Epix Gen 2 Pro Review with ECG Measurement - SUP vienna

    The Garmin Epix Gen 2 Pro features a vibrant AMOLED touchscreen, an integrated LED flashlight, and the new Gen 5 Elevate heart rate sensor for enhanced accuracy, particularly during intense activity. The review praises its multi-band GNSS, SatIQ technology for precise tracking, 'Red Shift' mode, and advanced performance metrics like Hill and Endurance Scores. Additionally, ECG...Read more

    (Translated)Show original
    L
    lesnumeriques.com
    22/08/2023
    Garmin Epix Pro Review: The OLED Multisport Watch Gets Better (Includes 51mm Model Analysis)

    The Garmin Epix Pro (Gen 2) 47mm is a premium multisport watch featuring a vibrant, sunlight-readable AMOLED display, a built-in LED flashlight, and the upgraded Elevate V5 heart rate sensor for improved accuracy. Its rugged construction includes a titanium bezel and 10 ATM water resistance, successfully bridging high-end aesthetics with serious athletic functionality. Performance...Read more

    (Translated)Show original
    S
    sport-passion.fr
    22/04/2024
    Garmin Epix Pro Test: The most complete on the market! 51 mm Sapphire

    The Sport Passion review describes the Garmin Epix Pro as the most complete sports watch available, essentially a Fenix 7 Pro featuring a vibrant AMOLED display. Available in 42, 47, and 51mm sizes, it includes an integrated LED flashlight across all models, with a premium design featuring sapphire and titanium. Sport PassionKey strengths include superior display readability,...Read more

    (Translated)Show original
    M
    montre-cardio-gps.fr
    22/04/2024
    Garmin Epix Pro Gen 2 – 51mm Review: Battery Life That Delivers

    The Garmin Epix Pro (Gen 2) 51mm combines a vibrant 1.4-inch AMOLED screen with exceptional battery life, boasting up to 31 days in smartwatch mode or 11 days with the always-on display. It features a built-in LED flashlight and the Gen 5 Elevate sensor for improved HR accuracy and ECG capabilities. Pros include superior display clarity compared to the Fenix 7 Pro and impressive...Read more

    (Translated)Show original
    B
    bsjbikes.com.es
    04/02/2026
    Garmin Epix 2 Pro 51mm Review - bsj Bikes

    The Garmin Epix Pro (Gen 2) 51 mm is a top-tier multisport watch featuring a vibrant 1.4-inch AMOLED display that ensures high visibility for maps and data, while offering superior battery life and an integrated LED flashlight. The device excels in performance with an upgraded Elevate V5 heart rate sensor and multi-band GPS, alongside new training metrics like Hill Score and...Read more

    (Translated)Show original
    C
    correrunamaraton.com
    31/05/2023
    Garmin Epix Pro | Three sizes and with a flashlight - Running a Marathon

    The Correr una Maratón review highlights the Garmin Epix Pro as a significant evolution, offering three sizes (42mm, 47mm, and 51mm) and an integrated LED flashlight across all models. Key technical improvements include the Elevate v5 optical heart rate sensor for better accuracy and standard multiband GPS, alongside new training metrics like Hill Score and Endurance Score. Pros...Read more

    (Translated)Show original
    A
    avventurosamente.it
    10/10/2024
    Garmin Epix Gen 2 Sapphire Review

    The Garmin Epix Gen 2 Sapphire merges Fenix-level durability with a bright 1.3-inch AMOLED touchscreen, making it a premium choice for high-resolution navigation and detailed mapping. Key strengths include highly accurate data tracking, particularly the precise altimeter and reliable heart rate monitor, along with the robust titanium and sapphire crystal construction. Conversely,...Read more

    (Translated)Show original
    A
    andreagaleazzi.com
    30/06/2023
    Garmin Epix Pro (Gen 2) Review

    Andrea Galeazzi reviews the Garmin Epix 2 Pro (51mm), praising it as a near-perfect sports smartwatch that successfully merges a rugged design with a high-quality AMOLED screen. Key strengths include the 1.4-inch display's exceptional visibility in direct sunlight, the integration of a highly functional LED flashlight, and top-tier accuracy from the multi-band GPS and heart rate...Read more

    (Translated)Show original
    I
    igizmo.it
    31/07/2023
    Garmin Epix Pro Gen 2 Sapphire 51mm review: Big is beautiful

    The Garmin Epix Pro (Gen 2) Sapphire 51mm is a premium, durable smartwatch featuring a large 1.4-inch AMOLED display, a titanium bezel, and a built-in LED flashlight. While the 51mm size offers a massive battery life of up to 31 days in smartwatch mode, it may be too bulky for some users. Technically, the watch offers exceptional fitness tracking via the Elevate Gen 5 sensor,...Read more

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    R
    runningxpert.com
    06/01/2026
    Garmin Fenix 7/7S/7X and Epix - Everything you need to know about the watch

    The Garmin Fenix 7 is positioned as a premier multisport GPS watch, enhancing user experience with a responsive touchscreen, robust construction, and improved, longer-lasting solar charging capabilities. Key, specific, and advanced features include real-time stamina tracking, a visual race predictor, and multi-band GPS for superior accuracy in challenging environments. While praised...Read more

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    W
    wielrenner.eu
    31/01/2026
    Garmin Epix Pro review & comparison 2026

    The Garmin Epix Pro merges rugged multisport functionality with a vibrant AMOLED display, now available in three sizes (42mm, 47mm, and 51mm) and featuring a built-in LED flashlight. Key performance upgrades include the accurate Elevate V5 heart rate sensor, advanced Hill and Endurance Score metrics, and enhanced mapping capabilities. Key pros include the stunning display, robust...Read more

    (Translated)Show original
    H
    hrdlpn.nl
    18/01/2026
    Garmin Epix Pro (Gen 2) Review: Test vs Fenix 7 Pro vs Forerunner 965

    The Garmin Epix Gen 2 and Pro series merge Fenix-level durability with a high-resolution AMOLED touchscreen, significantly improving map readability and data visibility. Key features include multi-band GNSS for GPS accuracy, the Elevate Gen 4 sensor for heart rate monitoring, and, in Pro models, a built-in LED flashlight and solar charging. While offering extensive,, customizable...Read more

    (Translated)Show original
    T
    tweakers.net
    31/05/2023
    Garmin Epix Pro Gen 2 Review - The best sports watch to date?

    The Garmin epix Pro (Gen 2) is positioned by Tweakers as a top-tier sports watch, successfully merging robust outdoor functionality with a high-quality AMOLED touchscreen. Available in three sizes, the device features a durable build with titanium bezels and a, now standard, integrated LED flashlight across all models. Key upgrades include a more accurate heart rate sensor and...Read more

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