Garmin Vivosmart vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Vivosmart
ZenWatch 3
Grayson
A370
Grayson
Mi Band 4
 GarminVivosmartRemove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$170$229$350$179.95$350$25
Release201420172018201720182019

Activity & Fitness

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

Battery

Duration7 days48 hours24 hoursUp to 3 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16400 x 400453 x 454160 x 80453x454120x240
Size1.41 inches1.39 inches1.39 inches1.18 inches1.39 inches0.95 inches
Touch
TypeOLEDAMOLEDAMOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables