Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Asus ZenWatch vs. Apple Watch 7 vs. Apple Series 6

 
Moto 360 (2nd Gen)
M400
ZenWatch
Watch 7
Series 6
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowAsusZenWatchRemove Buy NowAppleWatch 7Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$300$200$150$429$399
Release20152014201420212020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days8 hours to 30 daysNA18 HoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a320 x 320396 x 484384 x 480
Size1.37 inches or 1.56 inchesn/a1.63 inches1.9 inches40mm
Touch
TypeLCDn/aAMOLEDMicroLEDMicroLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP673 ATMIP55water resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aAndroid WearWatchOS 8WatchOS 5
Apps
Musicn/a

All Wearables