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Samsung Galaxy Watch 9 (40mm) vs OPPO Watch S comparison

 Compare Samsung Galaxy Watch 9 (40mm)
Samsung Galaxy Watch 9 (40mm)
Compare OPPO Watch S
OPPO Watch S
key specs
Strap ColourBlackGreen, Black
Display Size40mm-
Compatible OSAndroidAndroid 10 and later, and iOS 14 and newer
Strap MaterialSiliconeRubber
Dial ShapeSquareRound
Display TypeSuper AMOLEDAMOLED
Ideal ForUnisex-
general
BrandSamsungOPPO
ModelGalaxy Watch 9 (40mm)Watch S
Release dateJuly 22, 2026October 16, 2025
Model NameGalaxy Watch 9Watch S
Dial ColourBlackSilver, Black
Dial ShapeSquareRound
Strap ColourBlackGreen, Black
Strap MaterialSiliconeRubber
SizeRegularLarge
Touchscreen1.34-inch Super AMOLED1.46-inch AMOLED
Interchangeable StrapYesYes
Water Resistant5ATM5ATM + IP68
Ideal ForUnisex-
Dial Material-Stainless Steel
dimensions
Width42.7mm44.98mm
Height40.4mm44.98mm
Thickness8.6mm8.9mm
Diameter40mm-
Weight (g)31.5035.00
product details
SensorOptical heart rate sensor, an electrical heart signal sensor, bioelectrical impedance analysis sensor, temperature sensor, accelerometer, barometer, gyroscope, geomagnetic sensor, and ambient light 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,
Compatible DeviceAndroid 13 and newer versions-
Battery Type390mAh-
Battery Life-Up to 10 days
Charge Time-90 minutes
Charger Type-Wireless
connectivity features
Call FunctionYes-
BluetoothYesYes
Bluetooth Version6.05.2
Wi-FiYesYes
GPS-Yes
platform and storage features
Operating SystemOneUI 9 WatchColorOS Watch 7.1
Compatible Operating SystemAndroidAndroid 10 and later, and iOS 14 and newer
RAM2GB-
Processor NameSnapdragon Wear EliteBES2800BP
Internal Memory32GB4GB EMMC
camera and display features
Display Resolution438x438464x464
Display Size40mm-
Display TypeSuper AMOLEDAMOLED
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
ChronographYes-
Date & Time DisplayYesYes
Number of Buttons22
Other Fitness Features-sleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring
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