Samsung Galaxy Watch8 (40mm) vs Samsung Galaxy Watch 4 (40mm) comparison

Compare Samsung Galaxy Watch8 (40mm)
Compare Samsung Galaxy Watch 4 (40mm)
key specs
Strap ColourGraphite, SilverBlack, Pink Gold, Silver
Compatible OSAndroid and iOSAndroid
Display TypeSuper AMOLEDAMOLED
Display Size-40mm
Dial Shape-Round
Ideal For-Unisex
general
BrandSamsungSamsung
ModelGalaxy Watch8 (40mm)Galaxy Watch 4 (40mm)
Release dateJuly 9, 2025August 11, 2021
Model NameSamsung Galaxy Watch 8Galaxy Watch 4
Dial ColourBlackBlack, Pink Gold, Silver
Strap ColourGraphite, SilverBlack, Pink Gold, Silver
SizeRegularRegular
Water ResistantYesIP68
Water Resistance DepthIP685 ATM
UsageRegular-
Dial Shape-Round
Touchscreen-Yes
Interchangeable Strap-Yes
Dial Material-Aluminium
Ideal For-Unisex
dimensions
Width40.440.4
Height42.739.3
Thickness8.69.8
Weight (g)30.0025.90
product details
Battery Type325-
Sensor-Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis), Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor
Compatible Device-Android
Notification-Yes
Rechargeable Battery-Yes
connectivity features
BluetoothYesYes
Bluetooth Version5.35.0
GPSYesYes
Wi-Fi-Yes
platform and storage features
Operating SystemWatch OSOne UI Watch 3
Compatible Operating SystemAndroid and iOSAndroid
RAM2GB1.5GB
Processor NameExynos W1000Exynos W920
Internal Memory32GB16GB
camera and display features
Display TypeSuper AMOLEDAMOLED
Display Resolution-396x396
Display Size-40mm
Scratch Resistant-Yes, Gorilla Glass DX
fitness and watch functions
Step Count-Yes
Calorie Count-Yes
Heart Rate Monitor-Yes
Compass-Yes
Calendar-Yes
Alarm Clock-Yes
Date & Time Display-Yes
Language-English
Number of Buttons-2
Other Watch Functions-Heart rate, blood oxygen, SpO2 Sensor
audio and video features
Speaker-Yes

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