Polar M400 vs. Garmin Forerunner 935 vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Huawei Band 2

 
M400
Forerunner 935
Grayson
Access Sofie HR
Grayson
Band 2
 PolarM400Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$500$350$395$350$69.99
Release201420172018201920182017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 2 weeks24 hours2 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240453 x 454390 x 390453x454128 x 32
Sizen/a1.2 inches1.39 inches1.19 inches1.39 inches0.91 inches
Touch
Typen/aLCDAMOLEDOMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables