Huawei Watch vs. Polar M400 vs. Samsung Gear S2 vs. Asus ZenWatch vs. Amazfit T-Rex

 
Watch
M400
Gear S2
ZenWatch
T-Rex
 HuaweiWatchRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$200$300$150$140
Release20152014201520142019

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days2-3 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution400 x 400n/a360 x 360320 x 320360 x 360
Size1.4 inchesn/a1.2 inches1.63 inches1.3 inches
Touch
TypeAMOLEDn/aSuper AMOLEDAMOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMIP68IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aTizenAndroid WearBuild-in
Apps
Musicn/a

All Wearables