Polar M400 vs. Samsung Gear S2 vs. MobVoi TicWatch Pro vs. Samsung Galaxy Watch vs. Amazfit T-Rex

 
M400
Gear S2
TicWatch Pro
Galaxy Watch
T-Rex
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowMobVoiTicWatch ProRemove Buy NowSamsungGalaxy WatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$300$300$330$140
Release20142015201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days30 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/aNA
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360400 x 400360 x 360360 x 360
Sizen/a1.2 inches1.4 inches1.2 inches or 1.3 inches1.3 inches
Touch
Typen/aSuper AMOLEDOLED/FSTNAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSTizen OSBuild-in
Apps
MusicSpotify

All Wearables