Fitbit Charge 2 vs. Sony SmartBand Talk vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Amazfit GTR

 
Charge 2
SmartBand Talk
645 Music
Vivosmart HR Plus
GTR
 FitbitCharge 2Remove Buy NowSonySmartBand TalkRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$170$450$179$199
Release20162014201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128240 x 240160 x 68454 x 454
Sizen/a1.4 inches1.2 inches0.5 inches x 0.8 inches1.39 inches
Touchn/a
TypeOLEDE InkMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuild-in
Apps
Music

All Wearables