Garmin Vivoactive HR vs. Samsung Gear S2 vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Vivoactive HR
Gear S2
Mi Band 2
645 Music
Grayson
Grayson
 GarminVivoactive HRRemove Buy NowSamsungGear S2Remove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$300$23$450$350$350
Release201620152016201820182018

Activity & Fitness

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

Battery

Duration13 hours to 8 days2-3 days20 hours7 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution148 x 205360 x 360n/a240 x 240453 x 454453x454
Size1.38 inches1.2 inches0.42 inches1.2 inches1.39 inches1.39 inches
Touch
Typen/aSuper AMOLEDOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68IP675 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aAndroid WearAndroid Wear
Apps
Music

All Wearables