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

 
Flex 2
645 Music
Fenix 5x Plus
GTR
SE
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowAmazfitGTRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$450$850$199$279
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days20 days24 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x 240454 x 454384 x 480
Sizen/a1.2 inches1.2 inches1.39 inches40mm
Touchn/a
TypeLEDMIPMIPAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-inWatchOS 5
Apps
Music

All Wearables