Polar V800 vs. Fitbit Versa vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Grayson vs. Amazfit T-Rex

 
V800
Versa
Grayson
Moto 360 (1st Gen)
Grayson
T-Rex
 PolarV800Remove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$199.99$350$150$350$140
Release201420182018201420182019

Activity & Fitness

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

Battery

Duration13 hours to 30 days4 days24 hours1 day24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300453 x 454320 x 260453x454360 x 360
Sizen/a1.34 inches1.39 inches1.56 inches1.39 inches1.3 inches
Touch
Typen/aOLEDAMOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearAndroid WearBuild-in
Apps
MusicNA

All Wearables