Samsung Gear S2 vs. Garmin Vivosmart HR vs. Microsoft Band 2 vs. Garmin 645 Music vs. Fitbit Charge HR

 
Gear S2
Vivosmart HR
Band 2
645 Music
Charge HR
 SamsungGear S2Remove Buy NowGarminVivosmart HRRemove Buy NowMicrosoftBand 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$300$170$250$450$150
Release20152015201520182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days48 hours (without GPS)7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360160 x 68320 x 128240 x 240NA
Size1.2 inches1.08 inches1.36 inches1.2 inchesNA
TouchNA
TypeSuper AMOLEDn/aCapacitative TFTMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMIPX75 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aNA
Apps
Music

All Wearables