Polar M400 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Huawei Band 2

 
M400
Watch 2
Grayson
Access Sofie HR
Grayson
Band 2
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$350$350$395$350$69.99
Release201420172018201920182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours24 hours2 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480453 x 454390 x 390453x454128 x 32
Sizen/a1.38 inches1.39 inches1.19 inches1.39 inches0.91 inches
Touch
Typen/aP-OLEDAMOLEDOMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearWear OSAndroid Wear
Apps
Music

All Wearables