Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Garmin Vivofit 4 vs. Michael Kors Access Sofie HR vs. Huawei Band 2

 
Moto 360 (2nd Gen)
M400
Vivofit 4
Access Sofie HR
Band 2
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowGarminVivofit 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$300$200$79.95$395$69.99
Release20152014201820192017

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days1 year2 days21 days
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/a88 x 88390 x 390128 x 32
Size1.37 inches or 1.56 inchesn/aNA1.19 inches0.91 inches
Touch
TypeLCDn/aNAOMOLEDPMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OS
Apps
Musicn/a

All Wearables