Fitbit Alta vs. Xiaomi Mi Band 2 vs. Michael Kors Grayson vs. Garmin Vivofit 4 vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Alta
Mi Band 2
Grayson
Vivofit 4
Grayson
Vivosmart 4
 FitbitAltaRemove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivofit 4Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$23$350$79.95$350$130
Release201620162018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration5 days20 hours24 hours1 year24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 45488 x 88453x45448 x 128
Sizen/a0.42 inches1.39 inchesNA1.39 inches0.74 inches
Touchn/a
TypeOLEDOLEDAMOLEDNAAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP671 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables