OnePlus Watch 3 vs Samsung Galaxy Watch 4 (40mm) comparison

Compare OnePlus Watch 3
Compare Samsung Galaxy Watch 4 (40mm)
key specs
Compatible OSAndroid 9.0+Android
Dial ShapeRoundRound
Display TypeAMOLEDAMOLED
Ideal ForUnisexUnisex
Strap Colour-Black, Pink Gold, Silver
Display Size-40mm
general
BrandOnePlusSamsung
ModelWatch 3Galaxy Watch 4 (40mm)
Release dateFebruary 18, 2025August 11, 2021
Model NameOnePlus Watch 3Galaxy Watch 4
Dial ColourBlackBlack, Pink Gold, Silver
Dial ShapeRoundRound
SizeRegularRegular
Touchscreen1.50Yes
Interchangeable StrapYesYes
Water Resistant5 ATMIP68
UsageRegular-
Dial MaterialStainless SteelAluminium
Ideal ForUnisexUnisex
Water Resistance Depth-5 ATM
Strap Colour-Black, Pink Gold, Silver
dimensions
Width46.640.4
Height47.639.3
Thickness11.759.8
Weight (g)49.7025.90
product details
SensorWrist temperature sensor, Optical heart rate sensor, Optical pulse oximeter sensor, Geomagnetic sensor, Light sensor, Barometer, Acceleration sensor, Gyroscope sensorSamsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
Compatible DeviceAndroidAndroid
Battery Life5 days-
Rechargeable BatteryYesYes
Notification-Yes
connectivity features
Call FunctionYes-
BluetoothYesYes
Bluetooth Version5.25.0
Wi-FiYesYes
GPSYesYes
Messaging SupportYes-
platform and storage features
Operating SystemWearOS 5 + RTOSOne UI Watch 3
Compatible Operating SystemAndroid 9.0+Android
RAM2GB1.5GB
Processor NameSnapdragon W5 + BES2800BPExynos W920
Internal Memory32GB16GB
camera and display features
Display Resolution466 x 466396x396
Display TypeAMOLEDAMOLED
Flash60Hz-
Display Size-40mm
Scratch Resistant-Yes, Gorilla Glass DX
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Number of ButtonsOne2
Calorie Count-Yes
Compass-Yes
Other Watch Functions-Heart rate, blood oxygen, SpO2 Sensor
audio and video features
MicrophoneYes-
Voice ControlYes-
Speaker-Yes

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