Amazfit GTR 3: review

Amazfit GTR 3: review

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Epblogs verdict

A sporty smartwatch that offers good value for money, but with a few edges to round off

If you want to switch from a simpler fitness tracker to a more complete sports smartwatch, Amazfit GTR 3 is a respectable choice. It offers many training tracking tools at a relatively low price. It boasts an excellent design both on the software and hardware side, it is thin and light, very comfortable to wear. The autonomy, however, does not live up to expectations, and you will have to recharge it every week if you plan to use all the functions offered by the device. Unfortunately, forget about third-party apps: Zepp OS has arrived quite recently and the app store still doesn’t have a great offering of apps.

Amazfit GTR 3 Specs
Case diameter45.8mm
Weight (with strap)43g
Sport mode150
Operating system150Zepp OS

Price and release date

  • Available from October 2021
  • Low price

Amazfit GTR 3 arrived in October 2021 with a launch price of around € 140, immediately proving to be very competitive, also considering the presence of an OLED display. The launch price of Amazfit GTR 3 Pro , which arrived the same day, was € 199.

Design and display

  • Lightweight design
  • Resin and aluminum body
  • Slim case

The Amazfit GTR 3’s design is simple, with a resin case and aeronautical aluminum bezels, all for a smart effect rarely seen in entry-level models. The colors available are Thunder Black and Moonlight Gray, both with matching cases and straps.

The case measures 45.8mm x 10.8mm and the model we tested, with a silicone strap, weighed 43g. The weight is slightly greater than the Coros Pace 2 , but remains in the category of very light smartwatches, with a slim profile that guarantees maximum comfort for the whole day.

The smartwatch offers two physical commands: a bezel for accessing and navigating the main menu, as well as for starting and suspending activities, and a button for quick access to the list of monitoring modes. We need to get along a bit, but we appreciate the ability to start a workout without having to switch between menus.

The lion’s share is undoubtedly the bright OLED touch display, responsive and vivid colors, in line with other Amazfit products. What is surprising is to see such a screen in a smartwatch of this price range. Too bad that the high resolution is not used to show maps or other navigation systems, functions for which this display could excel without effort.


  • One week of typical use with all features active
  • Animated dials and always-on displays drain the battery faster
  • It downloads sooner than Amazfit promised

Amazfit declares an autonomy of 21 days of typical use for the GTR 3, 10 with intense use, in our tests, however, the duration was less.

Sure, any sports smartwatch runs out faster with active GPS and heart monitoring, and the GTR 3 is no exception. If we add animated faces (including the default one), the battery lasts even less, without forgetting the always-on mode. However, in testing we found that this mode is superfluous, since the watch activates smoothly when we lift the wrist.

By enabling animated dials and oxygen monitoring, keeping track of one workout per day, the battery lasted practically a week. A non-negative result, like other watches in this price range, but still lower than that declared by Amazfit.

Smartwatch functionality

  • Microphone for Alexa voice commands
  • Remote control for camera and music playback
  • Few downloadable apps

The GTR 3 runs Amazfit’s proprietary operating system, and in our tests it ran smoothly and without bugs. The only downside we found is that the animated dials create some lag, probably attributable to the hardware limitations of the device, as we didn’t notice the same drawback on the GTR 3 Pro.

As we can expect from relatively recent operating systems, there aren’t too many extras available to download on the Amazfit store, apart from a few additional dials and a few small health-related tools, such as a reminder to stay hydrated, one for the calculation for the body mass index or an option for the color blind.

The microphone, then, allows you to use Alexa voice commands. Too bad not being able to receive calls from Bluetooth, but on the other hand let’s not forget that it is an entry-level product. If you are looking for such a feature, however, take a look at the Garmin Venu 2 Plus . 

Too bad there is no integrated storage for music, in any case you can control the multimedia playback on your smartphone via the watch. Also, remote control for the camera is available.

Surprisingly for a sports smartwatch, the weather app is great, offering a summary of the entire week ahead, along with advice on what activities to do based on the weather (e.g. outdoor training or fishing).

Fitness tracker functions

  • Reliable GPS for outdoor activities
  • Maximum functional but non-reactive cardiac monitoring
  • Design designed for beginners

Despite the wide range of activity monitoring modes, which reaches almost 150 options, Amazfit GTS 3 is an accessible product of the enty-level range. Six training modes are automatically detected and tracked (walk, indoor walk, outdoor run, treadmill, outdoor bike, new pool, elliptical and rowing machine) – great if you tend to forget to start sessions, but however, they will need to be configured via the app.

The smartwatch’s GPS proved impressive during testing, with precise measurements. The automatic training mode took a while to start, about 10 minutes. However Amazfit does not specify how long you need to train before automatic tracking triggers.

Heart monitoring (the key aspect of all sports smartwatches) is in line with the measurements of our Garmin Fenix ​​7, and has proved OK for everyday use and distance running. However, during a spinning session, we found that the heart rate monitor was not responding to frequency changes as fast as other higher-end models. It’s not a major problem, especially for beginners, but you need to keep this in mind if you want to set your workouts based on heart rate.

Like all Amazfit smartwatches, ilk GTR 3 collects and summarizes heart rate statistics every seven days, within a single metric called PAI (Personal Activity Intelligence). The higher your heart rate, the higher your PAI points will be, and the goal is to stay constant at at least 100.

We are in the field of Fitbit’s Active Zone Minutes or rings on Apple Watch, which is a clear goal to aim for, however PAI has the advantage of being a single number that is easy to understand. PAI too low? We need to move more. Simple and useful for anyone looking for a tool to maintain healthy habits, rather than a more complete assistant for sports training.

Before starting to wear your Amazfit GTS 3 regularly, it is worth stopping for a moment to adjust the advanced sleep monitoring with oxygen tracking. This instrument has a little impact on the battery, but the greater precision obtained fully justifies the energy cost, especially for having more in-depth data on the phases of sleep, REM included.

A big advantage of all Amazfit smartwatches on the market in recent years is the ability to detect afternoon sleep as well as night sleep. Taking a small 20-minute nap is a recommended activity, as long as you don’t stay too late, and it will add to your sleep score.

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