Fitbit Flex 2 vs. Garmin Fenix 5 vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Amazfit GTS

 
Flex 2
Fenix 5
645 Music
Inspire HR
GTS
 FitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$599.99$450$99$150
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 Weeks7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240139 x 60348 x 442
Sizen/a1.2 inches1.2 inches1.4 inches1.65 inches
Touchn/a
TypeLEDnaMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OS
Apps
Music

All Wearables