Sony SmartWatch 3 vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Sony SmartBand vs. Amazfit GTR

 
SmartWatch 3
Charge 2
645 Music
SmartBand
GTR
 SonySmartWatch 3Remove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$450$100$199
Release20142016201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution320 x 320n/a240 x 240NA454 x 454
Size1.6 inchesn/a1.2 inchesNA1.39 inches
Touchn/aNA
TypeTFT LCDOLEDMIPNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Music

All Wearables