Amazfit T Rex vs Amazfit GTR: The ultimate smartwatch review!

Smartwatches were once largely limited to the choice of widgets that users can see on the display. But today, the functionalities of Smartwatches go beyond just timekeeping and basic smart features. One such advanced functionality is fitness tracking, which is a great feature for people who workout. These Smartwatches can assist you in your workout and make it easy to track your progress. With a lot of Smartwatch brands out there, you have plenty of options to consider when it comes to choosing the best Smartwatch for fitness tracking. Among the best Smartwatch brands, there is Huami, a company that quickly became one of the important Smartwatch manufacturers. Following the huge success of the Smartwatch, Amazfit GTR, Huami recently released Amazfit T Rex, which looks totally opposite to Amazfit GTR with its rugged design. So, Amazfit T Rex vs Amazfit GTR, which one should you pick? Read on to know in this ultimate Smartwatch review.


Both the Smartwatches have a circular dial. The Amazfit T Rex has a rugged look with its body made of polymer and strap made of silicone while the Amazfit GTR has a formal look. Amazfit T Rex has 4 buttons with a dozen military-grade certifications Even with all these loaded features it weighs just 58 grams. The Amazfit GTR has 2 physical buttons and weighs 36 grams. It is more suited for formal wearing.

DesignAmazfit GTRAmazfit T RexLookCircular dial, Formal lookCircular dial, Rugged lookWeight36 grams58 gramsDimensions47.2 x 47.2 x 10.7 mm13.5 x 47.7 x 47.7 mmButtons24Build MaterialStainless steel, aluminium alloy, titanium and leather strap. Polymer body and silicone strap.ColoursBrown, titaniumRock Black, Gun Grey, Camo Green, Khaki


Both the smartphones feature an always-on AMOLED display, Corning gorilla tempered glass, and anti-glare coating. But when it comes to pixel density and resolution, Amazfit GTR has an upper hand with a resolution of 454 * 454 pixels and a pixel density of 462 PPI.

DisplayAmazfit GTRAmazfit T RexTechnologyTouch screen, AMOLEDTouch screen, AMOLEDScreen protectionCorning Gorilla 3 tempered GlassCorning Gorilla 3 tempered GlassSize1.39 inch1.3 inchResolution454 * 454 pixels360* 360 pixelsPixel density326 ppi 392 ppi

Fitness tracker:

The latest Amazfit edition, T Rex, supports up to 14 professional sports modes. Amazfit GTR, on the other hand, only supports 12 sports modes that include the basic step count and heart rate monitor. Both the watches are equipped with Huami’s self-developed BioTracker PPG Bio-Tracking Optical Sensor, which performs high-precision heart rate monitoring 24 hours a day.

These watches also integrate the innovative Huami-PAI (Personal Activity Intelligence) Health Assessment System, which measures the impact of your physical activity on your heart and guides you to a longer, healthier life. It eliminates the need to track complicated data and allows you to intuitively understand your physical state at a glance, as well as more concisely and precisely control your health.

Fitness trackerAmazfit GTRAmazfit T RexModesOutdoor Running, Treadmill, Walking, Outdoor Cycling, Indoor Cycling, Open Water Swimming, Pool Swimming, Elliptical Trainer, Climbing, Trail Running, Skiing and ExerciseOutdoor Running, Treadmill, Walking, Outdoor Cycling, Indoor Cycling, Open Water Swimming, Pool Swimming, Elliptical Trainer, Climbing, Trail Running, Skiing, Exercise, hiking and triathlon.Resistance5 ATM5 ATM water resistance, 70 ° C heat resistance, -40 ° C cold resistance, 240 hours humidity resistance, 96 hours salt spray resistance.SensorsGPS, Glonass navigation system, ambient light sensor, 6-axis acceleration, 3-axis geomagnetic, air pressure, capacitive sensor and BioTracker PPG biological tracking optical sensor.GPS, Glonass navigation system, ambient light sensor, 3-axis acceleration, geomagnetic sensor and BioTracker PPG biological tracking optical sensor.Activity trackerHeart rate, calorie count, distance, sleep time, sleep quality, step count.Heart rate, calorie count, distance, sleep time, sleep quality, step count.

Smartphone Connectivity:

Both the smartwatches come with Bluetooth 5.0 and are compatible with iOS and Android versions greater than android 4.0. Before you start using the watch, you need to download the Amazfit app, add your device there, and sync it over Bluetooth. The watch UI is very simple to use and lets you customize to your needs. You can receive notifications, check the history exercise records, and set exclusive training plans to help you get better performance.

One thing to note here is that both these watches have no speaker. So, you can’t attend any calls. You can see the notification that you are receiving a call and you can use your phone to answer it.

Smartphone ConnectivityAmazfit GTRAmazfit T RexBluetoothV5.0V5.0, (Bluetooth Low Energy) BLECompatible OSAndroid V5.0, iOSAndroid V5.0, iOSNotificationsAlarm, weather, incoming call, calendar reminder, text message, Email.Alarm, weather, incoming call, calendar reminder, text message, Email.


Amazfit GTR packs a huge 410 mAh battery that lasts about 24 days of regular use and 74 days of standby. The Amazfit GTR has a 390 mAh battery that lasts about 20 days on regular use.

BatteryAmazfit GTRAmazfit T RexCapacity410 mAh390 mAhTypeLi-PoLi-poRegular use24 days20 daysStandby74 days66 days.Charging timeUp to 2 hoursUp to 2 hoursCharging ModeUSB USB


The Huami Amazfit GTR 47mm Smartwatch is priced at INR 10,999 and the Amazfit T Rex is priced at INR 9, 999.

PriceAmazfit GTRAmazfit T RexCostINR 10,999INR 9,999

Final Verdict: Amazfit T Rex or Amazfit GTR, which smartwatch is better?

If you want a Smartwatch that can suit any event and serve as a fitness tracker at the same time, Amazfit GTR has a classy look and loaded fitness features that might suit you. If you’re a fan of rugged look watches like G-Shock, Amazfit T Rex has the right blend of durable design and fitness features that might interest you.

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