Polar M400 vs. Polar M600 vs. Amazfit Cor vs. Michael Kors Access Sofie HR vs. Huawei Band 2

 
M400
M600
Cor
Access Sofie HR
Band 2
 PolarM400Remove Buy NowPolarM600Remove Buy NowAmazfitCorRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$330$79.99$395$69.99
Release20142016201820192017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days12 days2 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 24080 x 160390 x 390128 x 32
Sizen/a1.3 inches1.23 inches1.19 inches0.91 inches
Touchn/a
Typen/aTFTIPS LCDOMOLEDPMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables