Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Amazfit GTR vs. Fitbit Sense 2

 
645 Music
Fenix 5x Plus
Flex
GTR
Sense 2
 Garmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$450$850$100$199$300
Release20182018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days20 days5 days24 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240NA454 x 454336x336
Size1.2 inches1.2 inchesNA1.39 inches1.59 inches
TouchNA
TypeMIPMIPLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuild-in
Apps
Music

All Wearables