Samsung Gear S3 Frontier LTE Review | 126 Data compared

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  • Avg. price in UK: ~£350
  • Avg. price in US: ~$400
  • Screen size: 1.30 inch
  • Battery life: 3 day/s
  • Display type: AMOLED

Samsung Gear S3 Frontier LTE review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

7.0

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%

6.7

Technical Score

10.0%

9.2

User score

Very good
6.7

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%

3.9

Health

21.0%

9.1

Fitness

16.0%

5.1

Battery

14.0%

7.6

Smart features

12.0%

8.8

Connectivity

9.0%

8.1

Display & Design

4.0%

5.5

Hardware

Good
9.2

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%

8.8

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.5
(1852)
amazon
4.4
(943)
amazon
3.8
(281)
United States
Amazon_logo.png
3.8
(295)

(Reviews last updated: April 2026)

Exceptional
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    Best prices in UK

    Best rankings

    ?

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

    Verdict

    The Samsung Gear S3 Frontier LTE is a rugged, military-grade (MIL-STD-810G) smartwatch featuring a 1.3-inch circular Super AMOLED always-on display with 360 x 360 resolution and a distinctive rotating navigation bezel. Powered by a 1.0 GHz dual-core Exynos 7270 processor with 768MB of RAM and 4GB of internal storage, it offers standalone cellular connectivity, integrated GPS, and a suite of sensors including a heart rate monitor, altimeter, and barometer. Main advantages include its durable IP68 water-resistant build, versatile Samsung Pay support via NFC and MST, and a reliable 380mAh battery typically lasting 2–4 days. However, its bulky 46mm chassis may feel oversized on smaller wrists, and the Tizen-based OS suffers from a more limited third-party app ecosystem compared to modern platforms.

    Technical Specifications of smartwatch Samsung Gear S3 Frontier LTE

    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%

    3.9

    Health

    21.0%

    9.1

    Fitness

    16.0%

    5.1

    Battery

    14.0%

    7.6

    Smart features

    12.0%

    8.8

    Connectivity

    9.0%

    8.1

    Display & Design

    4.0%

    5.5

    Hardware

    6.7
    Samsung Gear S3 Frontier LTE has a technical score of 6.74 points, which is higher than 64% 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%

    8.8

    User reviews

    30.0%

    10

    Popularity

    User score:
    United Kingdom
    amazon
    4.5
    (1852)
    amazon
    4.4
    (943)
    amazon
    3.8
    (281)
    United States
    Amazon_logo.png
    3.8
    (295)

    (Reviews last updated: April 2026)

    9.2
    Samsung Gear S3 Frontier LTE has a user score of 9.16 points, which is higher than 86.3% 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.
    10
    Samsung Gear S3 Frontier LTE has a popularity of 10 points, which is higher than 52.6% of products in this category.
    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%

    7.0

    Overall score

    40.0%

    8.7

    Price

    7.5
    Samsung Gear S3 Frontier LTE has a quality-to-price ratio of 7.5 points, which is higher than 56.8% of products in this category.
    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

    Samsung
    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
    Samsung Gear S3 Frontier LTE 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

    no
    Samsung Gear S3 Frontier LTE does not support 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

    no
    Samsung Gear S3 Frontier LTE does not support ECG. 15.1% of smartwatches support ECG.
    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

    no
    Samsung Gear S3 Frontier LTE does not support 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
    Samsung Gear S3 Frontier LTE 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
    Samsung Gear S3 Frontier LTE 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
    Samsung Gear S3 Frontier LTE 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

    no
    Samsung Gear S3 Frontier LTE does not include a cadence sensor. 20.1% of smartwatches include a cadence sensor.
    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
    Samsung Gear S3 Frontier LTE 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

    3 day/s
    Samsung Gear S3 Frontier LTE offers a battery life of 3 day/s which is shorter than that of 74.8% of smartwatches and equal to that of 3.9% of smartwatches.
    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

    16 h
    Samsung Gear S3 Frontier LTE lasts 16 h in training mode which is shorter than 53.8% of smartwatches and equal to that of 1.4% of smartwatches.
    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

    10 h
    Samsung Gear S3 Frontier LTE lasts 10 h with GPS on which is shorter than 72.1% of smartwatches and equal to that of 5% of smartwatches.
    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

    380 mAh
    Samsung Gear S3 Frontier LTE has a battery capacity of 380 mAh which is larger than the batteries in 72.2% of smartwatches and equal to those in 0.4% 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

    ?
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    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

    Tizen
    Samsung Gear S3 Frontier LTE runs Tizen which is more advanced than the operating system in 55.1% of smartwatches and the same as that in 2.3% 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

    ended
    Samsung Gear S3 Frontier LTE has ended software update support which is less active than that of 42.6% of smartwatches and equal to that of 57.5% of smartwatches.
    Software support appears ended or discontinued.
    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
    Samsung Gear S3 Frontier LTE 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
    Samsung Gear S3 Frontier LTE 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

    yes
    Samsung Gear S3 Frontier LTE supports 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

    yes
    Samsung Gear S3 Frontier LTE includes 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

    1
    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
    Samsung Gear S3 Frontier LTE 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

    no
    Samsung Gear S3 Frontier LTE does not support 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
    Samsung Gear S3 Frontier LTE 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

    1.30 inch
    Samsung Gear S3 Frontier LTE has a screen size of 1.30 inch which is smaller than the screens of 66.6% of smartwatches and equal to those of 11.4% 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
    Samsung Gear S3 Frontier LTE 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

    360 x 360
    Samsung Gear S3 Frontier LTE has a display resolution of 360x360 which is higher than that of 50.2% 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

    392 ppi
    Samsung Gear S3 Frontier LTE has a pixel density of 392 ppi which is higher than that of 66.5% of smartwatches and equal to that of 2.6% 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
    Samsung Gear S3 Frontier LTE reaches 1,000 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

    1 GHz
    Samsung Gear S3 Frontier LTE uses a CPU configuration of 1 GHz which is faster than that in 29.2% of smartwatches and equal to that in 31.2% 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

    0.75 GB
    Samsung Gear S3 Frontier LTE has 0.75 GB of RAM which is smaller than the RAM in 69.2% of smartwatches and equal to that of 3% of smartwatches.
    768 MB RAM
    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

    4 GB
    Samsung Gear S3 Frontier LTE uses 4 GB for internal storage which is larger than that of 40.5% of smartwatches and equal to that of 26.9% 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
    Samsung Gear S3 Frontier LTE does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
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    Samsung Gear S3 Frontier LTE vs the average smartwatch

    • Has cellular module
      Samsung Gear S3 Frontier LTE includes a cellular module, the average smartwatch does not. 17.2% of smartwatches include a 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

      Samsung Gear S3 Frontier LTE includes a cellular module, the average smartwatch does not. 17.2% of smartwatches include a cellular module.
    • Includes wireless charging
      Samsung Gear S3 Frontier LTE supports wireless charging, the average smartwatch does not. 24.9% of smartwatches support wireless charging.
      What it is: Support for recharging the watch through a charging pad, puck, or other cable-free method.
      When it matters: When you want to top up the battery quickly.

      Importance: MEDIUM

      Samsung Gear S3 Frontier LTE supports wireless charging, the average smartwatch does not. 24.9% of smartwatches support wireless charging.
    • Has NFC
      Samsung Gear S3 Frontier LTE 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

      Samsung Gear S3 Frontier LTE supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Stronger display glass
      Samsung Gear S3 Frontier LTE uses Corning Gorilla Glass SR+ display glass, while the average smartwatch uses mineral glass.
      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

      Samsung Gear S3 Frontier LTE uses Corning Gorilla Glass SR+ display glass, while the average smartwatch uses mineral glass.Corning Gorilla Glass SR+ vs mineral glass
    • Supports Emergency SOS
      Samsung Gear S3 Frontier LTE includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
      What it is: An emergency feature that can contact help or alert trusted people from the watch.
      When it matters: When you want extra help in an emergency.

      Importance: HIGH

      Samsung Gear S3 Frontier LTE includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
    • Has multi-sport mode
      Samsung Gear S3 Frontier LTE includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
      What it is: A training mode designed to handle multiple sports within a single session.
      When it matters: When you track workouts and want better training data.

      Importance: MEDIUM

      Samsung Gear S3 Frontier LTE includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
    • Includes maps
      Samsung Gear S3 Frontier LTE supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
      Supports offline maps.
      What it is: The ability to view maps, navigation guidance, or route layouts on the watch.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Samsung Gear S3 Frontier LTE supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has barometer
      Samsung Gear S3 Frontier LTE includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a 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

      Samsung Gear S3 Frontier LTE includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Supports calorie tracking
      Samsung Gear S3 Frontier LTE supports calorie tracking, the average smartwatch does not. 43.8% of smartwatches support calorie tracking.
    • Has weight tracking
      Samsung Gear S3 Frontier LTE supports weight tracking, the average smartwatch does not. 39.2% of smartwatches support weight tracking.
    • Supports water intake tracking
      Samsung Gear S3 Frontier LTE tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • Has multi-sport mode
      Samsung Gear S3 Frontier LTE includes a multi-sport mode, the average smartwatch does not. 49.4% of smartwatches include a multi-sport mode.
    • Has barometer
      Samsung Gear S3 Frontier LTE includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Has external HR monitor
      Samsung Gear S3 Frontier LTE supports external heart rate monitor compatibility, the average smartwatch does not. 41.3% of smartwatches support external heart rate monitor compatibility.
    • Includes wireless charging
      Samsung Gear S3 Frontier LTE supports wireless charging, the average smartwatch does not. 24.9% of smartwatches support wireless charging.
    • 80 mAh larger battery capacity
      Samsung Gear S3 Frontier LTE has a larger battery capacity than the average smartwatch (380 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • Has cellular module
      Samsung Gear S3 Frontier LTE includes a cellular module, the average smartwatch does not. 17.2% of smartwatches include a cellular module.
    • Has NFC
      Samsung Gear S3 Frontier LTE supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Includes maps
      Samsung Gear S3 Frontier LTE supports maps, the average smartwatch does not. 32.2% of smartwatches support maps.
    • Has compass
      Samsung Gear S3 Frontier LTE includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Samsung Gear S3 Frontier LTE supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Stronger display glass
      Samsung Gear S3 Frontier LTE uses Corning Gorilla Glass SR+ display glass, while the average smartwatch uses mineral glass.
    • Has rugged design
      Samsung Gear S3 Frontier LTE has a rugged design, the average smartwatch does not. 34.5% of smartwatches have a rugged design.
    • 400 nits higher display brightness
      Samsung Gear S3 Frontier LTE has higher display brightness than the average smartwatch (1,000 nits nits vs 600 nits nits). The average smartwatch reaches 600 nits nits.
    • 66 ppi higher pixel density
      Samsung Gear S3 Frontier LTE has a higher pixel density than the average smartwatch (392 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • Better case material
      Samsung Gear S3 Frontier LTE uses stainless steel for the case material, while the average smartwatch uses polycarbonate.
    • 2 mm narrower band
      Samsung Gear S3 Frontier LTE has a narrower band width than the average smartwatch (20 mm vs 22.0 mm). The average smartwatch band is 22.0 mm wide.
    • Supports Emergency SOS
      Samsung Gear S3 Frontier LTE includes Emergency SOS, the average smartwatch does not. 42.4% of smartwatches include Emergency SOS.
    • Supports third-party apps
      Samsung Gear S3 Frontier LTE supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • More advanced operating system
      Samsung Gear S3 Frontier LTE runs a more advanced operating system than the average smartwatch (Tizen vs Proprietary OS).
    • No blood oxygen
      Samsung Gear S3 Frontier LTE does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • No stress monitoring
      Samsung Gear S3 Frontier LTE does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No swim mode
      Samsung Gear S3 Frontier LTE does not include a swim sport mode, the average smartwatch does. 74.9% of smartwatches include a swim sport mode.
    • 41 fewer exercise profiles
      Samsung Gear S3 Frontier LTE supports fewer exercise modes than the average smartwatch (39 vs 80). The average smartwatch supports 80 exercise modes.
    • 4 day/s shorter battery life
      Samsung Gear S3 Frontier LTE offers 3 day/s of battery life, while the average smartwatch offers 7 day/s.
    • 10 h shorter GPS battery life
      Samsung Gear S3 Frontier LTE lasts less with GPS on than the average smartwatch (10 h vs 20 h). The average smartwatch lasts 20 h.
    • 4 h shorter training battery life
      Samsung Gear S3 Frontier LTE lasts less in training mode than the average smartwatch (16 h vs 20 h). The average smartwatch lasts 20 h.
    • Older Bluetooth version
      Samsung Gear S3 Frontier LTE supports an older Bluetooth version than the average smartwatch (4.2 vs 5.0). The average smartwatch uses 5.0.
    • 0.1 inch smaller screen size
      Samsung Gear S3 Frontier LTE has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
    • 18 g heavier weight
      Samsung Gear S3 Frontier LTE is heavier than the average smartwatch (63 g vs 45 g). The average smartwatch weighs 45 g.
      Weight refers to watch case without strap/band.
    • 1.3 mm thicker watch body
      Samsung Gear S3 Frontier LTE is thicker than the average smartwatch (12.9 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
      Some sources mention variant-dependent thickness values.
    • 4 mm wider watch width
      Samsung Gear S3 Frontier LTE is wider than the average smartwatch (46 mm vs 42.0 mm). The average smartwatch width is 42.0 mm.
    • No smart alarm
      Samsung Gear S3 Frontier LTE does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
      No native smart alarm; third-party app required.
    • 0.25 GB less RAM
      Samsung Gear S3 Frontier LTE has less RAM than the average smartwatch (0.8 GB vs 1 GB). The average smartwatch includes 1 GB of RAM.
      768 MB RAM
    • 5 year/s older release date
      Samsung Gear S3 Frontier LTE is an older model than the average smartwatch (2016 vs 2021). The average smartwatch was released in 2021.
      November 2016
    • No blood oxygen
      Samsung Gear S3 Frontier LTE does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support 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

      Samsung Gear S3 Frontier LTE does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • No stress monitoring
      Samsung Gear S3 Frontier LTE does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
      What it is: Stress estimates derived from heart rate, HRV, or similar body signals.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Samsung Gear S3 Frontier LTE does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No swim mode
      Samsung Gear S3 Frontier LTE does not include a swim sport mode, the average smartwatch does. 74.9% of smartwatches include a swim sport mode.
      What it is: A dedicated workout mode tuned for pool or open-water swimming.
      When it matters: When you track workouts and want better training data.

      Importance: MEDIUM

      Samsung Gear S3 Frontier LTE does not include a swim sport mode, the average smartwatch does. 74.9% of smartwatches include a swim sport mode.
    • No smart alarm
      Samsung Gear S3 Frontier LTE does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
      No native smart alarm; third-party app required.
      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

      Samsung Gear S3 Frontier LTE does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
    • 4 day/s shorter battery life
      Samsung Gear S3 Frontier LTE offers 3 day/s of battery life, while the average smartwatch offers 7 day/s.
      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

      Samsung Gear S3 Frontier LTE offers 3 day/s of battery life, while the average smartwatch offers 7 day/s.3 day/s vs 7 day/s
    • 0.1 inch smaller screen size
      Samsung Gear S3 Frontier LTE has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
      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

      Samsung Gear S3 Frontier LTE has a smaller screen size than the average smartwatch (1.3 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.1.30 inch vs 1.40 inch
    • 10 h shorter GPS battery life
      Samsung Gear S3 Frontier LTE lasts less with GPS on than the average smartwatch (10 h vs 20 h). The average smartwatch lasts 20 h.
      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

      Samsung Gear S3 Frontier LTE lasts less with GPS on than the average smartwatch (10 h vs 20 h). The average smartwatch lasts 20 h.10 h vs 20 h
    • 18 g heavier weight
      Samsung Gear S3 Frontier LTE is heavier than the average smartwatch (63 g vs 45 g). The average smartwatch weighs 45 g.
      Weight refers to watch case without strap/band.
      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

      Samsung Gear S3 Frontier LTE is heavier than the average smartwatch (63 g vs 45 g). The average smartwatch weighs 45 g.63.0 g vs 45 g

    Graphic comparison of Samsung Gear S3 Frontier LTE and other Smartwatches

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    Third-party reviews

    United States

    (Reviews last updated: April 2026)

    What customers like about Samsung Gear S3 Frontier LTE?

    • Intuitive rotating bezel interface for easy navigation
    • Vibrant and sharp 1.3-inch Super AMOLED always-on display
    • Excellent battery life, typically lasting 2 to 4 days on a single charge
    • Rugged and sturdy build quality with IP68 water and dust resistance
    • Standalone LTE capability allows for calls and texts without a phone
    • Versatile Samsung Pay support using both NFC and MST technology
    • Compatible with standard 22mm watch straps for easy customization

    What customers dislike about Samsung Gear S3 Frontier LTE?

    • Large and bulky 46mm design can be uncomfortable on smaller wrists
    • Limited third-party app ecosystem compared to Apple Watch or Wear OS
    • Not fully swim-proof; rated only for shallow submersion
    • Slower charging times, taking up to 3 hours for a full charge
    • Limited functionality when paired with non-Samsung or iOS devices
    • Heart rate monitoring can be inconsistent during high-intensity exercise
    • LTE usage significantly drains battery life compared to Bluetooth-only mode

    Expert reviews

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