Fitbit Charge 2 vs. Garmin Vivofit 3 vs. Garmin 645 Music vs. Motorola Moto 360 (1st Gen) vs. Amazfit GTR

 
Charge 2
Vivofit 3
645 Music
Moto 360 (1st Gen)
GTR
 FitbitCharge 2Remove Buy NowGarminVivofit 3Remove Buy NowGarmin645 MusicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$100$450$150$199
Release20162016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year7 days1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64240 x 240320 x 260454 x 454
Sizen/a0.55 inches1.2 inches1.56 inches1.39 inches
Touchn/a
TypeOLEDn/aMIPLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuild-in
Apps
MusicNA

All Wearables