Samsung Gear S2 vs. Fitbit Alta vs. Garmin Forerunner 935 vs. Garmin Vivofit 4 vs. Sony SmartBand

 
Gear S2
Alta
Forerunner 935
Vivofit 4
SmartBand
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 935Remove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$300$130$500$79.95$100
Release20152016201720182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 daysUp to 2 weeks1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360n/a240 x 24088 x 88NA
Size1.2 inchesn/a1.2 inchesNANA
Touchn/aNA
TypeSuper AMOLEDOLEDLCDNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM5 ATMIP58

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNA
Apps
Music

All Wearables