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Apple Watch Series 12 vs Apple Watch Series 8 GPS + Cellular comparison

 Compare Apple Watch Series 12
Apple Watch Series 12
Compare Apple Watch Series 8 GPS + Cellular
Apple Watch Series 8 GPS + Cellular
key specs
Display Size46mm45mm
Dial ShapeRectangleRectangle
Display TypeOLED RetinaOLED Retina
Ideal ForUnisexUnisex
general
BrandAppleApple
ModelWatch Series 12Watch Series 8 GPS + Cellular
Release dateSeptember 9, 2026September 7, 2022
Dial ShapeRectangleRectangle
UsageRegular, SportsFitness & Outdoor
Ideal ForUnisexUnisex
Model Name-Watch Series 8 GPS + Cellular
Size-Regular
Touchscreen-Yes
Water Resistant-Yes
product details
SensorNew optical and electrical heart sensors, optical heart sensorCompass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor
Compatible DeviceiPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27 or later-
Battery Life24 hours18 hours
Charger TypeMagnetic charging port-
Rechargeable BatteryYesYes
Other FeaturesReadiness score, Siri AI-
Notification-Yes
Battery Type-Lithium Ion
connectivity features
Call FunctionYesYes
BluetoothYesYes
Wi-FiYesYes
GPSYesYes
Call Features-International Emergency Calling
Other Connectivity Features-Emergency SOS
platform and storage features
Operating SystemwatchOS 27watchOS
Processor NameApple S11 chip-
camera and display features
Display Resolution416 × 496-
Display Size46mm45mm
Display TypeOLED RetinaOLED Retina
Scratch ResistantCeramic Shield 2 on aluminium models-
Other Display FeaturesUp to 2,000 nits brightness, LTPO3, Always-On displayLTPO OLED Always-On Retina display
Backlight Display-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
ChronographYes-
Date & Time DisplayYesYes
LanguageEnglishEnglish
Number of Buttons2-
Other Fitness FeaturesECG, sleep tracking, sleep score, sleep apnoea notifications, heart rate notifications, HRV, readiness score, VO2 max, heart rate zones, Training Load, workout tracking, cycle tracking, step tracking, GPS, elevation trackingBlood Oxgen Sensor, ECG sensor
audio and video features
SpeakerYesYes
Gesture ControlYes-
MicrophoneYesYes
Voice ControlSiri AI-
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Software and ecosystem Rating-
Battery life Rating-
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