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Xiaomi Watch S4 15th Anniversary Edition vs Samsung Galaxy Watch 4 Classic (46mm)

Xiaomi Watch S4 15th Anniversary Edition vs Samsung Galaxy Watch 4 Classic (46mm) comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 15th Anniversary Edition	Samsung Galaxy Watch 4 Classic (46mm)
key specs
Display Size	36mm	46mm
Compatible OS	Android 8.0 or above, iOS 12.0 or above	Android
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Colour	-	Black, Silver
general
Brand	Xiaomi	Samsung
Model	Watch S4 15th Anniversary Edition	Galaxy Watch 4 Classic (46mm)
Release date	May 23, 2025	August 11, 2021
Model Name	Xiaomi Watch S4 15th Anniversary Edition	Galaxy Watch 4 Classic
Dial Colour	Black	Black, Silver
Dial Shape	Round	Round
Size	Regular	Large
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	Yes
Water Resistant	5 ATM	IP68
Usage	Regular	-
Ideal For	Unisex	Unisex
Water Resistance Depth	-	5 ATM
Dial Material	-	Stainless Steel
Strap Colour	-	Black, Silver
dimensions
Width	47.3	45.5
Height	47.3	45.5
Thickness	12	11
Weight (g)	44.50	52.00
product details
Sensor	Heart Rate Monitor, Stress, Sleep	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
Compatible Device	Android and iOS	Android
Battery Type	486mAh	-
Notification	-	Yes
Rechargeable Battery	-	Yes
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	NFC
platform and storage features
Operating System	HyperOS 2	One UI Watch 3
Compatible Operating System	Android 8.0 or above, iOS 12.0 or above	Android
RAM	-	1.5GB
Processor Name	-	Exynos W920
Internal Memory	-	16GB
camera and display features
Display Resolution	466 x 466	450x450
Display Size	36mm	46mm
Display Type	AMOLED	AMOLED
Scratch Resistant	-	Gorilla Glass DX
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	English
Compass	-	Yes
Calendar	-	Yes
Number of Buttons	-	2
Other Watch Functions	-	Heart rate, blood oxygen, electrocardiogram (EKG)
ratings
Overall NDTV Rating	-	Read Review
Design and comfort Rating	-
Tracking accuracy Rating	-
Software and ecosystem Rating	-
Battery life Rating	-
audio and video features
Speaker	-	Yes

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