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Xiaomi Watch S4 15th Anniversary Edition vs Xiaomi Watch Color 2

Xiaomi Watch S4 15th Anniversary Edition vs Xiaomi Watch Color 2 comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 15th Anniversary Edition	Xiaomi Watch Color 2
key specs
Display Size	36mm	-
Compatible OS	Android 8.0 or above, iOS 12.0 or above	Android, iOS
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Colour	-	Black, Blue, White, Red, Green, and Yellow
Strap Material	-	Silicone
general
Brand	Xiaomi	Xiaomi
Model	Watch S4 15th Anniversary Edition	Watch Color 2
Release date	May 23, 2025	September 28, 2021
Model Name	Xiaomi Watch S4 15th Anniversary Edition	Xiaomi Watch Color 2
Dial Colour	Black	Classic Black, Silver
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	Yes
Water Resistant	5 ATM	Yes
Usage	Regular	-
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
Water Resistance Depth	-	5ATM
Strap Colour	-	Black, Blue, White, Red, Green, and Yellow
dimensions
Width	47.3	-
Height	47.3	-
Thickness	12	-
Weight (g)	44.50	-
product details
Sensor	Heart Rate Monitor, Stress, Sleep	Heart rate sensor, acceleration sensor, gyroscope, geomagnetic sensor, barometric sensor, ambient light sensor, SpO2 sensor
Compatible Device	Android and iOS	Android, iPhone
Battery Type	486mAh	-
Closure	-	Buckle
Notification	-	Yes
Battery Life	-	12 days
Charger Type	-	Proprietary, Magnetic cradle
Rechargeable Battery	-	Yes
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	-
Wi-Fi	Yes	-
GPS	Yes	Yes
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	-
platform and storage features
Operating System	HyperOS 2	-
Compatible Operating System	Android 8.0 or above, iOS 12.0 or above	Android, iOS
camera and display features
Display Resolution	466 x 466	-
Display Size	36mm	-
Display Type	AMOLED	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
Compass	-	Yes
Calendar	-	Yes
Chronograph	-	Yes
Number of Buttons	-	2
Other Fitness Features	-	117 sports modes, menstrual cycle tracking, 24-hour heart rate monitoring, Breathing training, sleep detection, SpO2 tracking
Other Watch Functions	-	Xiao AI, 200 watch faces

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