Apple Watch SE 3 vs Apple Watch Series 8 GPS + Cellular comparison

Compare Apple Watch SE 3
Compare Apple Watch Series 8 GPS + Cellular
key specs
Display Size40mm45mm
Compatible OSiOS 26-
Dial ShapeSquareRectangle
Display TypeOLED RetinaOLED Retina
Ideal ForUnisexUnisex
general
BrandAppleApple
ModelWatch SE 3Watch Series 8 GPS + Cellular
Release dateSeptember 9, 2025September 7, 2022
Model NameWatch SE 3Watch Series 8 GPS + Cellular
Dial ColourStarlight, Midnight-
Dial ShapeSquareRectangle
SizeRegularRegular
TouchscreenYesYes
Interchangeable StrapYes-
Water ResistantWR50Yes
Water Resistance Depth50-
Dial MaterialAluminum-
Ideal ForUnisexUnisex
Usage-Fitness & Outdoor
dimensions
Width34-
Height40-
Thickness10.7-
Weight (g)26.30-
product details
Compatible DeviceiPhone 11 and above-
Battery LifeUp to 24 hours18 hours
Charger TypeWireless-
Sensor-Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor
Notification-Yes
Battery Type-Lithium Ion
Rechargeable Battery-Yes
connectivity features
Call FunctionYesYes
BluetoothYesYes
Bluetooth Version5.4-
Wi-FiYesYes
GPSYesYes
Messaging SupportYes-
Call Features-International Emergency Calling
Other Connectivity Features-Emergency SOS
platform and storage features
Operating SystemwatchOS 26watchOS
Compatible Operating SystemiOS 26-
Processor NameApple S10-
Internal Memory64GB-
camera and display features
Display Size40mm45mm
Display TypeOLED RetinaOLED Retina
Backlight Display-Yes
Other Display Features-LTPO OLED Always-On Retina display
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Heart Rate Monitor-Yes
Altimeter-Yes
Language-English
Other Fitness Features-Blood Oxgen Sensor, ECG sensor
audio and video features
SpeakerYesYes
Gesture ControlYes-
MicrophoneYesYes
Voice ControlYes-
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Software and ecosystem Rating-
Battery life Rating-

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