Garmin Vivosmart HR vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Huawei Band 2 vs. Amazfit T-Rex

 
Vivosmart HR
Grayson
A370
Grayson
Band 2
T-Rex
 GarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$170$350$179.95$350$69.99$140
Release201520182017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hoursUp to 3 days24 hours21 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68453 x 454160 x 80453x454128 x 32360 x 360
Size1.08 inches1.39 inches1.18 inches1.39 inches0.91 inches1.3 inches
Touch
Typen/aAMOLEDTFT LCDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMWR301 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables