Xiaomi Watch S4 vs Amazfit T-Rex Pro comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4	Amazfit T-Rex Pro
key specs
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Compatible OS	-	iOS, Android
Strap Material	-	Silicone
general
Brand	Xiaomi	Amazfit
Model	Watch S4	T-Rex Pro
Release date	October 29, 2024	March 23, 2021
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	10 ATM
Usage	Regular	-
Ideal For	Unisex	Unisex
Model Name	-	Amazfit T-Rex Pro
Strap Material	-	Silicone
Dial Material	-	Polycarbonate
Dial Colour	-	Desert Grey, Meteorite Black, Steel Blue
dimensions
Width	47.3	47.7
Height	47.3	47.7
Thickness	12	13.5
Weight (g)	44.50	59.40
product details
Sensor	heart rate, SpO2, steps, sleep tracker	Three-axis acceleration sensor, Heart Rate Sensor, BioTracker 2 PPG , ambient light sensor, Geomagnetic, three-axis gyroscope, barometric altimeter
Battery Type	486mAh	-
Battery Life	15	18 days
Compatible Device	-	Android, iOS
Notification	-	Yes
Charge Time	-	1.5 hours
Charger Type	-	Magnetic 2-pins Pogo Pin
Rechargeable Battery	-	Yes
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.2	5.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	-
platform and storage features
Operating System	HyperOS 2	RTOS
Compatible Operating System	-	iOS, Android
camera and display features
Display Resolution	466 x 466	320x360
Display Type	AMOLED	AMOLED
Scratch Resistant	-	Tempered Glass + anti-fingerprint coating
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Date & Time Display	Yes	Yes
Calorie Count	-	Yes
Altimeter	-	Yes
Calendar	-	Yes
Alarm Clock	-	Yes
Language	-	English
Number of Buttons	-	4
Other Fitness Features	-	100+ sports modes
Other Watch Functions	-	Heart rate monitoring, sleep quality monitoring
audio and video features
Speaker	-	Yes

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