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Specifications
Selected: Oppo Watch X2
Selected: vivo Watch 3
Network
TechnologyNo cellular connectivityHSPA / LTE
2G bands N/A N/A
3G bands N/AHSDPA 850 / 900 / 2100
4G bands N/A LTE
SpeedNoHSPA, LTE
GPRSNo
EDGENo
Launch
Announced2025, February 202023, November 13
StatusAvailable. Released 2025, March 28Available. Released 2023, November 21
Body
Dimensions47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in)46.1 x 46.1 x 13.8 mm (1.81 x 1.81 x 0.54 in)
Weight49.7 g (1.76 oz)36 g (1.27 oz)
BuildSapphire crystal front, stainless steel frame, plastic back
SIMNoeSIM
 IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
MIL-STD-810H compliant
Waterproof (5ATM/50m)
Compatible with standard 22mm straps
ECG certified
5ATM water resistant
Compatible with standard 22mm straps
ECG certified - only Watch 3 ECG version
Display
TypeLTPO AMOLED, 2200 nits (peak)AMOLED
Size1.5 inches1.43 inches
Resolution466 x 466 pixels (~310 ppi density)466 x 466 pixels (~326 ppi density)
ProtectionSapphire crystal glass
Platform
OSColorOS Watch 7.0 + Wear OS 5.0Blue OS
ChipsetQualcomm Snapdragon W5 Gen 1 (4 nm)
Memory
Card slotNoNo
Internal32GB 2GB RAM4GB 64MB RAM
Camera
 NoNo
Sound
LoudspeakerYesYes
3.5mm jackNoNo
Comms
WLANWi-Fi 802.11 a/b/g/n, dual-bandNo
Bluetooth5.2, A2DP, LE5.2, A2DP, LE
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, GALILEO, BDS, QZSS
NFCYesYes
RadioNoNo
USBNoNo
Features
SensorsAccelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)Accelerometer, gyro, heart rate, barometer, compass, altimeter, SpO2
Battery
TypeLi-Ion 648 mAh505 mAh
Charging7.5W wired
Misc
ColorsLava Black, Summit BlueBlack, Silver
ModelsOPWWE251
PriceAbout 300 EURAbout 150 EUR