Product
Xiaomi Watch S4 Sport
Xiaomi Watch S4 Sport
₹24,941
Samsung Galaxy Watch4
Samsung Galaxy Watch4
₹29,999
Battery
Charging - Wireless
Type Li-Po 586 mAh Li-Ion 361 mAh
Body
Build Sapphire crystal front, titanium alloy case, sapphire crystal back Glass front (Gorilla Glass DX+), aluminum frame
Dimensions 46.9 x 46.9 x 12.6 mm (1.85 x 1.85 x 0.50 in) 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
SIM eSIM eSIM
Weight 49 g (1.73 oz) 30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
  Waterproof (5ATM) 40m swimproof/diving (EN13319) MIL-STD-810G compliant* IP68 dust tight and water resistant (immersible up to 50m) Compatible with standard 20mm straps ECG certified Blood pressure monitor *does not guarantee ruggedness or use in extreme conditions
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 5.0, A2DP, LE
NFC Yes (NFC car key support) Yes
Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, GALILEO, BDS
Radio No No
USB No No
WLAN No Wi-Fi 802.11 a/b/g/n, dual-band
Display
Protection Sapphire crystal glass Corning Gorilla Glass DX+
Resolution 466 x 466 pixels (~326 ppi density) 450 x 450 pixels (~321 ppi density)
Size 1.43 inches 1.4 inches
Type AMOLED, 2200 nits (peak) Super AMOLED
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2 Accelerometer, gyro, compass, barometer, heart rate, SpO2
  Depth gauge NFC car key support: Xiaomi SU7 and Lotus cars -
Launch
Announced 2024, July 19 2021, August 11
Status Available. Released 2024, July 19 Available. Released 2021, August 27
Memory
Card slot No No
Internal 32GB 16GB 1.5GB RAM
Misc
Colors Titanium Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Models M2312W1 SM-R860, SM-R870
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA HSDPA 850 / 900 / 2100
4G bands LTE 1, 3, 5, 7, 8, 20
EDGE No -
GPRS No -
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset - Exynos W920 (5 nm)
CPU - Dual-core 1.18 GHz Cortex-A55
GPU - Mali-G68
OS HyperOS Android Wear OS 4, One UI Watch 5
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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