Polar M400 vs. Polar M600 vs. Samsung Gear Fit2 vs. Garmin 645 Music vs. Huawei Band 2

 
M400
M600
Gear Fit2
645 Music
Band 2
 PolarM400Remove Buy NowPolarM600Remove Buy NowSamsungGear Fit2Remove Buy NowGarmin645 MusicRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$330$180$450$69.99
Release20142016201620182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days3-4 days7 days21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240432 x 216240 x 240128 x 32
Sizen/a1.3 inches1.5 inches1.2 inches0.91 inches
Touchn/a
Typen/aTFTSuper AMOLEDMIPPMOLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen
Apps
Music

All Wearables