Compare Xiaomi Watch S4 vs Samsung Galaxy Watch 8

Xiaomi Watch S4
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Samsung Galaxy Watch 8
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  Xiaomi Watch S4 Samsung Galaxy Watch 8
Launch
Version October 2024 July 2025
Network
Technology 4G 4G
Body
Dimensions 47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in) 46 x 43.7 x 8.6 mm (1.81 x 1.72 x 0.34 in)
Weight 44.5 g (1.59 oz) 34 g (44mm), 30 g (40mm)
SIM eSIM eSIM
Design Aluminum alloy frame, stainless steel bezel Glass front (Sapphire crystal), aluminum frame
Others Waterproof (5ATM) IP68 dust tight and water resistant, Blood pressure monitor, Armor aluminum 2 frame
Display
Type AMOLED Super AMOLED
Size 1.43 inches 1.47 inches
Resolution 466 x 466 pixels 480 x 480 pixels
Protection Scratch/drop-proof glass Sapphire crystal
Various
Platform
Operating System HyperOS 2 Android Wear OS 6, One UI 8 Watch
Chipset Exynos W1000 (3 nm)
CPU Penta-core
GPU Mali-G68
Memory
Card Slot No No
Internal 32GB 2GB RAM
Camera
Primary No No
Features
Video
Selfie
Sound
Loudspeaker Yes Yes
3.5mm Jack No No
Extra
Comms
Wifi No a/b/g/n, dual-band
Bluetooth 5.3 5.3
GPS Yes Yes
NFC Yes Yes
Infrared
Radio No No
USB No No
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2 Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Miscellaneous
Battery
Battery type 486 mAh 435 mAh
Charging 10W wireless
Misc
Colors Black, Silver, Rainbow Graphite, Silver
Models M2424W1, M2425W1 SM-L320, SM-L325, SM-L330, SM-L335, SM-L325U, SM-L335U
Inside the box
Price 140 USD 400 USD
Xiaomi Watch S4:
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Samsung Galaxy Watch 8:
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