Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4 vs. Apple Watch 7

 
Moto 360 (2nd Gen)
M400
Access Sofie HR
VivoActive 4
Watch 7
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$200$395$349$429
Release20152014201920192021

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2 days8 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a390 x 390260 x 260396 x 484
Size1.37 inches or 1.56 inchesn/a1.19 inches1.3ionches1.9 inches
Touch
TypeLCDn/aOMOLEDMIPMicroLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM0.3 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSWear OSWatchOS 8
Apps
Musicn/a

All Wearables