Garmin 645 Music vs. Garmin Fenix 5X vs. Garmin Vivofit 4 vs. Sony SmartBand vs. Amazfit GTR

 
645 Music
Fenix 5X
Vivofit 4
SmartBand
GTR
 Garmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowGarminVivofit 4Remove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$699$79.95$100$199
Release20182017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 12 days1 year5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240240 x24088 x 88NA454 x 454
Size1.2 inches1.2 inchesNANA1.39 inches
TouchNA
TypeMIPNANANAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-in
Apps
Music

All Wearables