Polar M400 vs. Amazfit Bip vs. Michael Kors Access Sofie HR vs. Huawei Band 2 vs. Amazfit GTS

 
M400
Bip
Access Sofie HR
Band 2
GTS
 PolarM400Remove Buy NowAmazfitBipRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$99.99$395$69.99$150
Release20142018201920172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days30 days2 days21 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176390 x 390128 x 32348 x 442
Sizen/a1.28 inches1.19 inches0.91 inches1.65 inches
Touch
Typen/aNAOMOLEDPMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP680.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OS
Apps
Music

All Wearables