Fitbit Charge 2 vs. Garmin 645 Music vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Charge 2
645 Music
Band 3 Pro
GTR
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$450$70$199
Release2016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days12 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454 x 454454 x 454
Sizen/a1.2 inches1.39 inches1.39 inches
Touchn/a
TypeOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAMAZFIT OSBuild-in
Apps
Music

All Wearables