Samsung Galaxy Watch4 vs Xiaomi Watch S1

Phones Images
Samsung Galaxy Watch4 Xiaomi Watch S1
PHONES
Phone Names Samsung Galaxy Watch4 Xiaomi Watch S1
Network
2G bandsGSM 850 / 900 / 1800 / 1900N/A
3G bandsHSDPA 850 / 900 / 2100N/A
4G bands1, 3, 5, 7, 8, 20N/A
EDGE-No
GPRS-No
SpeedHSPA, LTENo
TechnologyGSM / HSPA / LTENo cellular connectivity
Launch
Announced2021, August 112021, December 28
StatusAvailable. Released 2021, August 27Available. Released 2021, December 31
Body
BuildGlass front (Gorilla Glass DX+), aluminum frameSapphire crystal front, stainless steel frame, plastic back
Dimensions44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)46.5 x 46.5 x 11 mm (1.83 x 1.83 x 0.43 in)
SIMeSIMNo
Weight30.3 g (44mm), 25.9 g (40mm) (1.06 oz)53 g (1.87 oz)
 MIL-STD-810G compliant* 50m water resistant (IP68) Compatible with standard 20mm straps ECG certified Blood pressure monitor *does not guarantee ruggedness or use in extreme conditionsWaterproof (5ATM)
Display
ProtectionCorning Gorilla Glass DX+-
Resolution450 x 450 pixels (~321 ppi density)466 x 466 pixels (~326 ppi density)
Size1.4 inches1.43 inches
TypeSuper AMOLEDAMOLED
 Always-on display-
Platform
CPUDual-core 1.18 GHz Cortex-A55-
ChipsetExynos W920 (5 nm)-
GPUMali-G68-
OSAndroid Wear OS 4, One UI Watch 5Proprietary OS
Memory
Card slotNoNo
Internal16GB 1.5GB RAMUnspecified storage
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 a/b/g/n, dual-bandWi-Fi 802.11 b/g/n (China only)
Features
SensorsAccelerometer, gyro, compass, barometer, heart rate, SpO2Accelerometer, gyro, compass, barometer, heart rate, SpO2
 Natural language commands and dictation Samsung Pay-
Battery
ChargingWirelessWireless
TypeLi-Ion 361 mAhLi-Po 470 mAh
Misc
ColorsBlack, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf EditionBlack, Silver
ModelsSM-R860, SM-R870M2108W1
PriceAbout 110 EURAbout 270 EUR
Camera
 NoNo