Amazfit T-Rex Ultra 2 vs Amazfit GTR 42mm comparison

Show Only Differences Highlight Differences	Amazfit T-Rex Ultra 2	Amazfit GTR 42mm
key specs
Display Size	38mm	42mm
Ideal For	Unisex	-
Strap Colour	-	Black, Pink, White
Compatible OS	-	Android and iOS
Strap Material	-	Silicone
Dial Shape	-	Round
general
Brand	Amazfit	Amazfit
Model	T-Rex Ultra 2	GTR 42mm
Release date	February 20, 2026	July 16, 2019
Model Name	Amazfit T-Rex Ultra 2	-
Dial Colour	Black	Black
Size	Regular	-
Touchscreen	1.5	Yes
Water Resistant	10 ATM	5ATM
Usage	Regular	-
Ideal For	Unisex	-
Dial Shape	-	Round
Strap Material	-	Silicone
Strap Colour	-	Black, Pink, White
dimensions
Width	51	42.6
Height	51	42.6
Diameter	14.3	-
Weight (g)	89.20	25.50
Thickness	-	9.2
product details
Sensor	acceleration sensor, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor	BioTracker TM PPG Bio-Tracking Optical Sensor, 6-Axis Accelerometer, 3 Axial Geomagnetic Sensor, Air Pressure Sensor, Capacitive Sensor, Ambient Light Brightness Sensor
Compatible Device	Android and iOS	Android, iPhones
Battery Type	870mAh	Lithium Polymer
Battery Life	30 Days	Up to 34 days
Closure	-	Strap Buckle
Notification	-	Yes
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	-
Bluetooth	Yes	5
Wi-Fi	Yes	-
GPS	Yes	Yes
Call Features	Yes	-
camera and display features
Display Resolution	480 x 480	320x320 pixels
Display Size	38mm	42mm
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	-
Date & Time Display	Yes	Yes
Language	English	English
Calorie Count	-	Yes
Compass	-	Yes
Alarm Clock	-	Yes
Other Watch Functions	-	Weather, Music, Event Reminder, Looking for a mobile phone, Stopwatch, Countdown
platform and storage features
Compatible Operating System	-	Android and iOS

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