Samsung Gear S3 vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Charge HR

 
Gear S3
Alta
645 Music
Charge HR
 SamsungGear S3Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$350$130$450$150
Release2016201620182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration4 days5 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 360n/a240 x 240NA
Size1.3 inchesn/a1.2 inchesNA
Touchn/aNA
TypeFullcolor AODOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNA
Apps
Music

All Wearables