OPPO Watch S vs Amazfit GTS 2 comparison

Compare OPPO Watch S
Compare Amazfit GTS 2
key specs
Strap ColourGreen, BlackDolphon Grey, Obsidian Black, Streamer Gold
Compatible OSAndroid 10 and later, and iOS 14 and newerAndroid, iOS
Strap MaterialRubber-
Dial ShapeRoundRectangle
Display TypeAMOLEDAMOLED
Display Size-42mm
general
BrandOPPOAmazfit
ModelWatch SGTS 2
Release dateOctober 16, 2025September 22, 2020
Model NameWatch SGTS 2
Dial ColourSilver, BlackDolphon Grey, Obsidian Black, Streamer Gold
Dial ShapeRoundRectangle
Strap ColourGreen, BlackDolphon Grey, Obsidian Black, Streamer Gold
Strap MaterialRubber-
SizeLargeRegular
Touchscreen1.46-inch AMOLEDYes
Interchangeable StrapYes-
Water Resistant5ATM + IP685 ATM
Dial MaterialStainless SteelAluminium Alloy
dimensions
Width44.98mm35.6
Height44.98mm42.8
Thickness8.9mm9.7
Weight (g)35.0024.70
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,Air pressure, Accelerometer, Gyroscope, Geomagnetic sensor, ambient light sensor
Battery LifeUp to 10 days7 days
Charge Time90 minutes2 hours
Charger TypeWirelessMagnetic
Compatible Device-Android, iOS
Notification-Yes
Rechargeable Battery-Yes
connectivity features
BluetoothYesYes
Bluetooth Version5.25.0
Wi-FiYesYes
GPSYes-
platform and storage features
Operating SystemColorOS Watch 7.1-
Compatible Operating SystemAndroid 10 and later, and iOS 14 and newerAndroid, iOS
Processor NameBES2800BP-
Internal Memory4GB EMMC-
camera and display features
Display Resolution464x464348x442
Display TypeAMOLEDAMOLED
Display Size-42mm
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons21
Other Fitness Featuressleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring-
Other Watch Functions-BioTracker 2 PPG, biological data sensor
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Companion app Rating-
Software and ecosystem Rating-
Battery life Rating-
audio and video features
Speaker-Yes
Microphone-Yes

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