Fitbit Charge 2 vs. Garmin 645 Music vs. Samsung Live vs. Amazfit GTR vs. Garmin VivoActive 4

 
Charge 2
645 Music
Live
GTR
VivoActive 4
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowSamsungLiveRemove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$450$200$199$349
Release20162018201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 Day24 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320454 x 454260 x 260
Sizen/a1.2 inches1.63 inches1.39 inches1.3ionches
Touchn/a
TypeOLEDMIPSuper AMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuild-inWear OS
Apps
Music

All Wearables