Product
Xiaomi Watch S1
Xiaomi Watch S1
₹27,398
Samsung Galaxy Watch4
Samsung Galaxy Watch4
₹29,999
Battery
Charging Wireless Wireless
Type Li-Po 470 mAh Li-Ion 361 mAh
Body
Build Sapphire crystal front, stainless steel frame, plastic back Glass front (Gorilla Glass DX+), aluminum frame
Dimensions 46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in) 44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
SIM No eSIM
Weight 53 g (1.87 oz) 30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
  Waterproof (5ATM) 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 Yes
Positioning GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, GALILEO, BDS
Radio No No
USB No No
WLAN Wi-Fi 802.11 b/g/n (China only) Wi-Fi 802.11 a/b/g/n, dual-band
Display
Protection - 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 Super AMOLED
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2 Accelerometer, gyro, compass, barometer, heart rate, SpO2
Launch
Announced 2021, December 28 2021, August 11
Status Available. Released 2021, December 31 Available. Released 2021, August 27
Memory
Card slot No No
Internal Unspecified storage 16GB 1.5GB RAM
Misc
Colors Black, Silver Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Models M2108W1 SM-R860, SM-R870
Network
2G bands N/A GSM 850 / 900 / 1800 / 1900
3G bands N/A HSDPA 850 / 900 / 2100
4G bands N/A 1, 3, 5, 7, 8, 20
EDGE No -
GPRS No -
Speed No HSPA, LTE
Technology No cellular connectivity GSM / HSPA / LTE
Platform
Chipset - Exynos W920 (5 nm)
CPU - Dual-core 1.18 GHz Cortex-A55
GPU - Mali-G68
OS Proprietary OS Android Wear OS 4, One UI Watch 5
Sound
3.5mm jack No No
Loudspeaker Yes Yes
Offers No offers available No offers available