Fitbit Surge vs. Michael Kors Grayson vs. Polar A370 vs. Sony SmartBand vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Surge
Grayson
A370
SmartBand
Grayson
Vivosmart 4
 FitbitSurgeRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$350$179.95$100$350$130
Release201620182017201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days24 hoursUp to 3 days5 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a453 x 454160 x 80NA453x45448 x 128
Size1.26 inches1.39 inches1.18 inchesNA1.39 inches0.74 inches
TouchNA
TypeMonochrome LCDAMOLEDTFT LCDNAAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMWR30IP581 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables