Polar M400 vs. Samsung Gear Fit2 vs. Garmin Forerunner 45 vs. Mobvoi TicWatch e2 vs. Amazfit GTR

 
M400
Gear Fit2
Forerunner 45
TicWatch e2
GTR
 PolarM400Remove Buy NowSamsungGear Fit2Remove Buy NowGarminForerunner 45Remove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$180$199$200$199
Release20142016201920192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days3-4 days7 days1 day24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a432 x 216208 x 208360 x 360454 x 454
Sizen/a1.5 inches1.04 inches1.2 inches1.39 inches
Touch
Typen/aSuper AMOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenBuilt-inWear OSBuild-in
Apps
Music

All Wearables