Garmin Fenix 5 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Amazfit GTR

 
Fenix 5
Forerunner 935
645 Music
Flex
GTR
 GarminFenix 5Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$599.99$500$450$100$199
Release20172017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 WeeksUp to 2 weeks7 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240240 x 240NA454 x 454
Size1.2 inches1.2 inches1.2 inchesNA1.39 inches
TouchNA
TypenaLCDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-in
Apps
Music

All Wearables