Xiaomi Watch S4 41mm vs Xiaomi Watch S2 comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 41mm	Xiaomi Watch S2
key specs
Display Size	41mm	42mm
Strap Material	Milanese	Leather
Dial Shape	Round	Round
Ideal For	Unisex	Unisex
Strap Colour	-	Black, Light Gold and Silver
Compatible OS	-	Android, iOS
Display Type	-	AMOLED
general
Brand	Xiaomi	Xiaomi
Model	Watch S4 41mm	Watch S2
Release date	September 24, 2025	January 10, 2022
Dial Shape	Round	Round
Strap Material	Milanese	Leather
Size	Regular	Large
Touchscreen	1.32	Yes
Water Resistant	5ATM	Yes
Water Resistance Depth	50 m	5ATM
Usage	Regular	Fitness & Outdoor
Dial Material	Stainless steel	-
Ideal For	Unisex	Unisex
Model Name	-	Xiaomi Watch S2
Dial Colour	-	Black
Strap Colour	-	Black, Light Gold and Silver
Interchangeable Strap	-	Yes
dimensions
Width	41.2	-
Height	41.2	-
Diameter	9.5	-
Weight (g)	32.00	-
product details
Sensor	Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor	Blood Oxygen Monitor, Heart Rate Monitor
Battery Type	320mAh	305
Battery Life	8 days	12 Days
Closure	-	Strap Buckle
Compatible Device	-	Android, iOS
Notification	-	Message
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.4	5.2
GPS	Yes	Yes
Third Party App Support	-	Yes
Call Features	-	call, answer, reject and mute calls
Other Connectivity Features	-	Notifications
platform and storage features
Operating System	Xiaomi HyperOS 3	MIUI Watch OS
Compatible Operating System	-	Android, iOS
camera and display features
Display Resolution	466 × 466	466X466
Display Size	41mm	42mm
Other Display Features	1500nits, 60Hz refresh rate	Touch Screen
Display Type	-	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
audio and video features
Speaker	Yes	-
Microphone	Yes	-

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