Amazfit T-Rex Ultra 2 vs Amazfit GTR 4 Limited Edition comparison

Compare Amazfit T-Rex Ultra 2
Compare Amazfit GTR 4 Limited Edition
key specs
Display Size38mm36mm
Ideal ForUnisex-
Strap Colour-Infinite Black
Compatible OS-Android, iOS
Dial Shape-Round
Display Type-AMOLED
general
BrandAmazfitAmazfit
ModelT-Rex Ultra 2GTR 4 Limited Edition
Release dateFebruary 20, 2026April 26, 2023
Model NameAmazfit T-Rex Ultra 2Amazfit GTR 4 Limited Edition
Dial ColourBlack-
SizeRegularRegular
Touchscreen1.5Yes
Water Resistant10 ATM5ATM
UsageRegularHealth, Fitness
Ideal ForUnisex-
Dial Shape-Round
Strap Colour-Infinite Black
dimensions
Width5146.5
Height5146.5
Diameter14.3-
Weight (g)89.2049.00
Thickness-11.2
product details
Sensoracceleration sensor, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensorAcceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor
Compatible DeviceAndroid and iOSAndroid, iOS
Battery Type870mAh-
Battery Life30 Days14 days
Notification-Yes
Notification Type-Smart Notification
Charge Time-2 hours
Charger Type-Magnetic Charger
Stand By Time-50 days
Other Features-Stainless steel middle frame, Glass-ceramic bottom shell, Dual-band & 6 satellite positioning systems
connectivity features
Call FunctionYesYes
BluetoothYesYes
Wi-FiYesYes
GPSYesYes
Call FeaturesYesMake Calls, Reject Calls
Third Party App Support-Yes
camera and display features
Display Resolution480 x 480466x466 pixels
Display Size38mm36mm
Display Type-AMOLED
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
CalendarYesYes
Date & Time DisplayYesYes
LanguageEnglish-
Calorie Count-Yes
Alarm Clock-Yes
Other Fitness Features-154 Sports Modes, Automatic Recognition, BioTracker™ 4.0 PPG biometric sensor
Other Watch Functions-Over 200 watch faces, Music Storage, OTA Update via Wi-Fi, Events Reminder, To Do List
platform and storage features
Operating System-Zepp OS 2.0
Compatible Operating System-Android, iOS
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes

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