Samsung Gear S2 vs. Fitbit Alta vs. Garmin 645 Music vs. Sony SmartBand vs. Apple Watch 8

 
Gear S2
Alta
645 Music
SmartBand
Watch 8
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowSonySmartBandRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$300$130$450$100$499
Release20152016201820142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days5 days18 hrs
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 240NA340 x 272 or 390 x 312
Size1.2 inchesn/a1.2 inchesNA1.5 inches or 1.65 inches
Touchn/aNA
TypeSuper AMOLEDOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMIP585 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNAWatchOS 9
Apps
Music

All Wearables