Product
Oppo Watch 2
Oppo Watch 2
₹16,970
Xiaomi Watch S4 41mm
Xiaomi Watch S4 41mm
₹12,024
Battery
Type Li-Ion 510 mAh Li-Po 320 mAh
Body
Build Glass front, aluminum frame Stainless steel bezel and frame
Dimensions 46.4 x 38.5 x 11.6 mm (1.83 x 1.52 x 0.46 in) 41.2 x 41.2 x 9.5 mm (1.62 x 1.62 x 0.37 in)
SIM eSIM (market/region dependent) No
Weight 35 g (46mm) / 31 g (42mm) (1.09 oz) 32 g (1.13 oz)
  5ATM water resistant Waterproof (5ATM)
Camera
  No No
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS, QZSS
Radio No No
USB No No
WLAN Wi-Fi 802.11 b/g/n No
Display
Protection - Scratch/drop-proof glass
Resolution 402 x 476 pixels (~326 ppi density) 466 x 466 pixels (~320 ppi density)
Size 1.91 inches 1.32 inches
Type AMOLED AMOLED, 1500 nits (HBM), 2200 nits (peak)
Features
Sensors Accelerometer, gyro, heart rate, compass, barometer, SpO2 Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature)
Launch
Announced 2021, July 27 2025, June 26
Status Available. Released 2021, July 27 Available. Released 2025, June 26
Memory
Card slot No No
Internal 8GB 1GB RAM -
  eMMC 4.5 -
Misc
Colors Star Blue, Platinum Black, Rose Gold Black, Green, White, Gold
Models OW20W2 M2502W1
Network
2G bands N/A N/A
3G bands HSDPA 850 / 900 / 2100 N/A
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 - China N/A
EDGE - No
GPRS - No
Speed HSPA, LTE -
Technology HSPA / LTE No cellular connectivity
Platform
Chipset Qualcomm Snapdragon Wear 4100 (12 nm) -
CPU Quad-core 1.7 GHz Cortex-A53 -
GPU Adreno 504 -
OS Android Wear OS - InternationalColorOS Watch 2.0 - China HyperOS 2
Sound
3.5mm jack No No
Loudspeaker Yes Yes
Offers No offers available No offers available