Withings Steel HR vs. Garmin Vivosmart vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Steel HR
Vivosmart
Grayson
A370
Grayson
Mi Band 4
 WithingsSteel HRRemove Buy NowGarminVivosmartRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$180$170$350$179.95$350$25
Release201620142018201720182019

Activity & Fitness

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

Battery

Duration25 days7 days24 hoursUp to 3 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16453 x 454160 x 80453x454120x240
Sizen/a1.41 inches1.39 inches1.18 inches1.39 inches0.95 inches
Touch
Typen/aOLEDAMOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables