Samsung Gear S2 vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Microsoft Band

 
Gear S2
Flex 2
645 Music
Vivofit 4
Band
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowMicrosoftBandRemove Buy Now

Basic Info

Suggested Price$300$100$450$79.95$200
Release20152016201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days1 year2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a240 x 24088 x 88320 x 106
Size1.2 inchesn/a1.2 inchesNA1.37 inches
Touchn/a
TypeSuper AMOLEDLEDMIPNACapacitative TFT

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aNA
Apps
Music

Wearables by Microsoft

Microsoft Band 2

All Wearables