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Apple Watch Series 6 44mmApple Watch Series 6 40mmApple Watch SE 44mmApple Watch SE 40mmApple Watch Series 5 44mmApple Watch Series 5 40mmApple Watch Series 4 40mmApple Watch Series 4 cellular 40mmApple Watch Series 3 cellularApple Watch Series 2 42mmApple Watch Series 2 38mmApple Watch 42mmApple Watch 38mm
Image
Websiteapple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...apple.com/...
Release dateSep. 15th 2020 Sep. 15th 2020 Sep. 15th 2020 Sep. 15th 2020 Sep. 10th 2019 Sep. 10th 2019 Sep. 21st 2018 Sep. 21st 2018 Sep. 15th 2017 Sep. 16th 2016 Sep. 16th 2016 Apr. 10th 2015 Apr. 10th 2015
Price$ 429$ 399$ 309$ 279$ 429$ 399$ 399$ 499$ 399$ 369$ 349
Dimensions
Screen size1.65 in1.5 in1.65 in1.5 in
Screen resolution368x448324x394368x448324x394368x448324x394324x394324x394340x272390x312340x272390x312340x272
Always on displayYesYesNoNoYesYesNoNoNoNoNoNo
Weight36.7 g30.1 g30.1 g30.1 g50 g40 g50 g40 g
Thickness10.74 mm10.74 mm10.74 mm10.74 mm10.74 mm10.74 mm10.7 mm10.7 mm10.5 mm10.5 mm10.5 mm10.5 mm
Features
Built-in memory32 GB32 GB32 GB32 GB32 GB32 GB16 GB16 GB16 GB8 GB8 GB
RAM1 GB512 MB512 MB512 MB512 MB
ProcessorApple S6Apple S6Apple S5Apple S5Apple S5 dual coreApple S5 dual coreApple S4 dual coreApple S4 dual coreApple S2Apple S2Apple S1Apple S1
CompatibilityiPhone 6s or lateriOS 8 (iPhone 5 - iPhone 6 Plus)iOS 8 (iPhone 5 - iPhone 6 Plus)
Operating SystemwatchOS 7watchOS 7watchOS 7watchOS 7watchOS 6 or laterwatchOS 6watchOS 5watchOS 5watchOS 4watchOS 3watchOS 3Watch OSWatch OS
Front cameraNoNoNoNoNoNoNoNoNoNoNoNoNo
Built-in speakerYesYesYesYesYesYesYesYesYesYesYesYesYes
Built-in microphoneYesYesYesYesYesYesYesYesYes
Vibration engineNoYesNoNoNoNo
WaterproofYes 5 ATMYes 5 ATMYes 5 ATMYes 5 ATMYes 50mYes 50mYes 50mYes 50mYesYes 50mYes 50m- IPX7- IPX7
Taptic engineYesYesYesYesYesYesYesYesYesYesYesYesYes
Sensors
AccelerometerYesYesYesYesYesYesYesYesYesYesYesYesYes
GyroscopeYesYesYesYesYesYesYesYesYesYesYesYesYes
BarometerYesYesYesYesNoNoNoNo
MagnetometerYesYesNoNoNoNo
AltimeterYesYesYesYesYes On-DemandYes On-Demand
Ambient light sensorYesYesYesYesYesYesYesYes
GPSYesYesYesYesYesYesYesYesYesYesYesNoNo
Heart rate sensorYes Heart rate, blood oxygen, ECGYes Heart rate, blood oxygen, ECGYesYesYes 2nd Gen Optical, Electrical (ECG)Yes Optical, ElectricalYes Optical, ElectricalYes Optical, ElectricalYesYesYesYesYes
UV SensorNoNoNoNoNoNoNoNoNoNoNoNoNo
Connectivity
Bluetooth®Yes 5.0Yes 5.0Yes 5.0Yes 5.0Yes 5.0Yes 5.0Yes 5.0Yes 5.0YesYes 4.0Yes 4.0Yes 4.0Yes 4.0
Wi-FiYes 802.11b/g/n dual bandYes 802.11b/g/n dual bandYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYesYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/n
3GNoNoNoNoNoNoNoNoNoNoNo
4G LTE------NoYesYesNoNoNoNo
NFCYesYesYesYesNoNoYesYesNoYes
UWBNoNoNoNoNoNoNoNo
Infrared portNoNoNoNoNoNoNoNoNoNoNoNoNo
Phone capability--NoYesYesNoNoNoNo
Battery
Wireless chargingYesYesYesYesYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive chargingYes MagSafe inductive charging
Battery capacity296 mAh296 mAh291.8 mAh291.8 mAh279 mAh334 mAh273 mAh250 mAh205 mAh
Battery life18 h18 h18 h18 h18 h18 h18 h18 h1 day1 day1 day1 day1 day
GPS+HR Workout time6h5 h5 h
Design
Interchangeable strapsYesYesYesYesYesYesYesYesYesYesYesYesYes
Input methodDigital crown, Multi-Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhoneDigital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhone