Polar M400 vs. Polar V800 vs. Moov Now vs. LG G Watch vs. Amazfit T-Rex

 
M400
V800
Now
G Watch
T-Rex
 PolarM400Remove Buy NowPolarV800Remove Buy NowMoovNowRemove Buy NowLGG WatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$470$79$230$140
Release20142014201520142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days6 months1.5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a280 x 280360 x 360
Sizen/an/an/a1.65 inches1.3 inches
Touchn/a
Typen/an/an/aIPS LCDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATM3 ATMn/aIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearBuild-in
Apps
Music

All Wearables