Motorola Moto 360 (2nd Gen) vs. Amazfit Arc vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Arc
Grayson
A370
Grayson
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$69.99$350$179.95$350$140
Release201520162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days20 days24 hoursUp to 3 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 33072 x40453 x 454160 x 80453x454360 x 360
Size1.37 inches or 1.56 inches0.42 inches1.39 inches1.18 inches1.39 inches1.3 inches
Touch
TypeLCDOLEDAMOLEDTFT LCDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP671 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearAndroid WearBuild-in
Apps
Musicn/a

All Wearables