Polar M400 vs. Microsoft Band 2 vs. Amazfit Cor vs. Motorola Moto 360 (1st Gen) vs. Amazfit GTR

 
M400
Band 2
Cor
Moto 360 (1st Gen)
GTR
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowAmazfitCorRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$250$79.99$150$199
Release20142015201820142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)12 days1 day24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 12880 x 160320 x 260454 x 454
Sizen/a1.36 inches1.23 inches1.56 inches1.39 inches
Touch
Typen/aCapacitative TFTIPS LCDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
MusicNA

All Wearables