Amazfit T-Rex Ultra 2 vs Boult Audio Crown comparison

Compare Amazfit T-Rex Ultra 2
Compare Boult Audio Crown
key specs
Display Size38mm50mm
Ideal ForUnisex-
Strap Colour-Black, Orange, Yellow and Blue
Compatible OS-Android, iOS
Strap Material-Silicone
Dial Shape-Square
general
BrandAmazfitBoult Audio
ModelT-Rex Ultra 2Crown
Release dateFebruary 20, 2026July 13, 2023
Model NameAmazfit T-Rex Ultra 2Crown
Dial ColourBlackBlack
SizeRegular-
Touchscreen1.5Yes
Water Resistant10 ATMIP67
UsageRegular-
Ideal ForUnisex-
Dial Shape-Square
Strap Colour-Black, Orange, Yellow and Blue
Strap Material-Silicone
Dial Material-Metal
dimensions
Width51-
Height516mm
Diameter14.3-
Weight (g)89.20-
product details
Sensoracceleration sensor, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensorSpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker
Compatible DeviceAndroid and iOSAndroid, iOS
Battery Type870mAh‎Lithium Ion
Battery Life30 Days‎7 Days
Notification-Yes
Notification Type-Smart Notification
Charge Time-2.5 hours
Rechargeable Battery-Yes
Other Features-Inbuilt Alarm Clock, A Timer, A Stopwatch, Weather Monitoring, Sedentary Reminders And Inbuilt Mini Games
connectivity features
Call FunctionYesYes
BluetoothYesBluetooth
Wi-FiYes-
GPSYes-
Call FeaturesYes-
Bluetooth Version-Bluetooth 5.2
camera and display features
Display Resolution480 x 480240 x 283
Display Size38mm50mm
Other Display Features-900 nits brightness
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
CalendarYesYes
Date & Time DisplayYesYes
LanguageEnglish-
Calorie Count-Yes
Alarm Clock-Yes
Number of Buttons-2
Other Fitness Features-Activity Tracker, Breathe, Sedentary Reminder, Sleep Monitor, 100 sports modes
Other Watch Functions-Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Notifications, 150+ watch faces, Find My Feature
platform and storage features
Compatible Operating System-Android, iOS
audio and video features
Speaker-Yes
Microphone-Yes

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