Product
Xiaomi Watch S1 Pro
Xiaomi Watch S1 Pro
₹21,959
Vivo Watch 2
Vivo Watch 2
₹18,030
Battery
Charging Wireless, 100% in 85 min 10W wireless
Type Li-Po 500 mAh
Body
Build Sapphire crystal front, stainless steel frame, sapphire crystal (heart rate zone), plastic back Glass front, stainless steel frame 316L
Dimensions 46 x 46 x 11.3 mm (1.81 x 1.81 x 0.44 in) 46.4 x 46.4 x 11 mm (1.83 x 1.83 x 0.43 in)
SIM No eSIM
Weight 48.5 g (1.73 oz) 47 g (1.66 oz)
  Waterproof (5ATM) 5ATM water resistant 50m water resistant
Camera
  No No
Comms
Bluetooth 5.2, A2DP, LE 5.2, 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) No
Display
Resolution 480 x 480 pixels (~462 ppi density) 466 x 466 pixels (~326 ppi density)
Size 1.47 inches 1.43 inches
Type AMOLED, 600 nits (typ) AMOLED
Features
Sensors Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (body temperature) Accelerometer, gyro, heart rate, barometer, compass, altimeter, SpO2
Launch
Announced 2022, August 12 2021, December 22
Status Available. Released 2022, August 12 Available. Released 2021, December 29
Memory
Card slot No No
Internal Unspecified storage 2GB
Misc
Colors Black, Silver Black, Brown, Silver
Models M2135W1, M2134W1 WA2156A
Network
2G bands N/A N/A
3G bands N/A HSDPA 850 / 900 / 2100
4G bands N/A 1, 3, 5, 8, 34, 38, 39, 40, 41
EDGE No -
GPRS No -
Speed No HSPA, LTE
Technology No cellular connectivity HSPA / LTE
Platform
OS MIUI Watch OS Proprietary OS
Sound
3.5mm jack No No
Loudspeaker Yes Yes
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