Polar V800 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. LG G Watch R vs. Michael Kors Grayson vs. Amazfit T-Rex

 
V800
Grayson
Vivofit 4
G Watch R
Grayson
T-Rex
 PolarV800Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowLGG Watch RRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$350$79.95$300$350$140
Release201420182018201420182019

Activity & Fitness

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

Battery

Duration13 hours to 30 days24 hours1 year2 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 45488 x 88320 x 320453x454360 x 360
Sizen/a1.39 inchesNA1.3 inches1.39 inches1.3 inches
Touch
Typen/aAMOLEDNAP-OLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM5 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables