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OPPO Watch S vs Amazfit GTR 3 comparison

 Compare OPPO Watch S
OPPO Watch S
Compare Amazfit GTR 3
Amazfit GTR 3
key specs
Strap ColourGreen, BlackBlack
Compatible OSAndroid 10 and later, and iOS 14 and newerAndroid, iOS
Strap MaterialRubber-
Dial ShapeRoundRound
Display TypeAMOLEDAMOLED
Display Size-35mm
Ideal For-Unisex
general
BrandOPPOAmazfit
ModelWatch SGTR 3
Release dateOctober 16, 2025October 11, 2021
Model NameWatch S-
Dial ColourSilver, BlackBlack
Dial ShapeRoundRound
Strap ColourGreen, BlackBlack
Strap MaterialRubber-
SizeLargeRegular
Touchscreen1.46-inch AMOLEDYes
Interchangeable StrapYesYes
Water Resistant5ATM + IP68Yes
Dial MaterialStainless SteelAluminium
Water Resistance Depth-5 ATM
Ideal For-Unisex
dimensions
Width44.98mm45.8
Height44.98mm45.8
Thickness8.9mm10.8
Weight (g)35.0042.00
product details
Sensoreight-channel optical heart rate sensor, 16-channel optical pulse oximeter sensor, ECG sensor, a wrist temperature sensor, accelerometer, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor,Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor
Battery LifeUp to 10 days21 days
Charge Time90 minutes-
Charger TypeWireless-
Compatible Device-Android, iPhone
Notification-Yes
Battery Type-Li-ion
connectivity features
BluetoothYesBluetooth
Bluetooth Version5.25.1
Wi-FiYes-
GPSYesYes
Messaging Support-Yes
Third Party App Support-Yes
platform and storage features
Operating SystemColorOS Watch 7.1ZeppOS
Compatible Operating SystemAndroid 10 and later, and iOS 14 and newerAndroid, iOS
Processor NameBES2800BP-
Internal Memory4GB EMMC-
camera and display features
Display Resolution464x464454x454
Display TypeAMOLEDAMOLED
Display Size-35mm
Backlight Display-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons22
Other Fitness Featuressleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring150 sports mode
Chronograph-Yes
Language-English
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes
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