Huawei Watch vs. Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Garmin 645 Music vs. Fitbit Flex

 
Watch
Moto 360 (2nd Gen)
M400
645 Music
Flex
 HuaweiWatchRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$349$300$200$450$100
Release20152015201420182013

Activity & Fitness

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

Battery

Durationn/a1.5 days8 hours to 30 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400360 x 325 or 360 x 330n/a240 x 240NA
Size1.4 inches1.37 inches or 1.56 inchesn/a1.2 inchesNA
TouchNA
TypeAMOLEDLCDn/aMIPLED

Functions

Audio Speakern/aBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP673 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/aNA
Apps
Musicn/an/a

All Wearables