Xiaomi Watch S1 Pro vs Samsung Galaxy Watch4

Phones Images
PHONES
Phone Names Xiaomi Watch S1 Pro Samsung Galaxy Watch4
Network
2G bandsN/AGSM 850 / 900 / 1800 / 1900
3G bandsN/AHSDPA 850 / 900 / 2100
4G bandsN/A1, 3, 5, 7, 8, 20
EDGENo-
GPRSNo-
SpeedNoHSPA, LTE
TechnologyNo cellular connectivityGSM / HSPA / LTE
Launch
Announced2022, August 122021, August 11
StatusAvailable. Released 2022, August 12Available. Released 2021, August 27
Body
BuildSapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic backGlass front (Gorilla Glass DX+), aluminum frame
Dimensions46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in)44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
SIMNoeSIM
Weight48.5 g (1.73 oz)30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
 Waterproof (5ATM)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 conditions
Display
Protection-Corning Gorilla Glass DX+
Resolution480 x 480 pixels (~462 ppi density)450 x 450 pixels (~321 ppi density)
Size1.47 inches1.4 inches
TypeAMOLED, 600 nits (typ)Super AMOLED
 -Always-on display
Platform
CPU-Dual-core 1.18 GHz Cortex-A55
Chipset-Exynos W920 (5 nm)
GPU-Mali-G68
OSMIUI Watch OSAndroid Wear OS 4, One UI Watch 5
Memory
Card slotNoNo
InternalUnspecified storage16GB 1.5GB RAM
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth5.2, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/n (China only)Wi-Fi 802.11 a/b/g/n, dual-band
Features
SensorsAccelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature)Accelerometer, gyro, compass, barometer, heart rate, SpO2
 -Natural language commands and dictation Samsung Pay
Battery
ChargingWireless, 100% in 85 minWireless
TypeLi-Po 500 mAhLi-Ion 361 mAh
Misc
ColorsBlack, SilverBlack, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
ModelsM2135W1, M2134W1SM-R860, SM-R870
PriceAbout 220 EURAbout 110 EUR
Camera
 NoNo