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Xiaomi Watch S4 15th Anniversary Edition vs Amazfit Active 2

Xiaomi Watch S4 15th Anniversary Edition vs Amazfit Active 2 comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 15th Anniversary Edition	Amazfit Active 2
key specs
Display Size	36mm	-
Compatible OS	Android 8.0 or above, iOS 12.0 or above	Android and iOS
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
general
Brand	Xiaomi	Amazfit
Model	Watch S4 15th Anniversary Edition	Active 2
Release date	May 23, 2025	January 6, 2025
Model Name	Xiaomi Watch S4 15th Anniversary Edition	Amazfit Active 2
Dial Colour	Black	Black
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	1.43	1.32
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	5 ATM
Usage	Regular	Regular
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
Dial Material	-	Stainless Steel
dimensions
Width	47.3	43.9
Height	47.3	43.9
Thickness	12	9.9
Weight (g)	44.50	29.50
product details
Sensor	Heart Rate Monitor, Stress, Sleep	heart rate, SpO2, steps, sleep tracker, Acceleration, Gyroscope, Geomagnetic, Barometric, altimeter, Ambient, light, Temperature
Compatible Device	Android and iOS	-
Battery Type	486mAh	270
Battery Life	-	10 days
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5.2
Wi-Fi	Yes	-
GPS	Yes	Yes
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	-
Call Function	-	Yes
Messaging Support	-	Yes
Call Features	-	Yes
platform and storage features
Operating System	HyperOS 2	-
Compatible Operating System	Android 8.0 or above, iOS 12.0 or above	Android and iOS
camera and display features
Display Resolution	466 x 466	466 x 466
Display Size	36mm	-
Display Type	AMOLED	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	-
Heart Rate Monitor	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Compass	-	Yes
Calendar	-	Yes
Number of Buttons	-	2

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