Samsung Galaxy Watch8 (40mm) vs Xiaomi Watch S4 comparison

Show Only Differences Highlight Differences	Samsung Galaxy Watch8 (40mm)	Xiaomi Watch S4
key specs
Strap Colour	Graphite, Silver	-
Compatible OS	Android and iOS	-
Display Type	Super AMOLED	AMOLED
Dial Shape	-	Round
Ideal For	-	Unisex
general
Brand	Samsung	Xiaomi
Model	Galaxy Watch8 (40mm)	Watch S4
Release date	July 9, 2025	October 29, 2024
Model Name	Samsung Galaxy Watch 8	-
Dial Colour	Black	-
Strap Colour	Graphite, Silver	-
Size	Regular	Regular
Water Resistant	Yes	5 ATM
Water Resistance Depth	IP68	-
Usage	Regular	Regular
Dial Shape	-	Round
Touchscreen	-	1.43
Interchangeable Strap	-	Yes
Ideal For	-	Unisex
dimensions
Width	40.4	47.3
Height	42.7	47.3
Thickness	8.6	12
Weight (g)	30.00	44.50
product details
Battery Type	325	486mAh
Sensor	-	heart rate, SpO2, steps, sleep tracker
Battery Life	-	15
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5.2
GPS	Yes	Yes
Wi-Fi	-	Yes
Other Connectivity Features	-	NFC, Galileo, Glonass, Beidou, QZSS
platform and storage features
Operating System	Watch OS	HyperOS 2
Compatible Operating System	Android and iOS	-
RAM	2GB	-
Processor Name	Exynos W1000	-
Internal Memory	32GB	-
camera and display features
Display Type	Super AMOLED	AMOLED
Display Resolution	-	466 x 466
fitness and watch functions
Step Count	-	Yes
Heart Rate Monitor	-	Yes
Date & Time Display	-	Yes

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