Fitbit Alta vs. Garmin 645 Music vs. Amazfit GTR vs. Apple SE

 
Alta
645 Music
GTR
SE
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$450$199$279
Release2016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454 x 454384 x 480
Sizen/a1.2 inches1.39 inches40mm
Touchn/a
TypeOLEDMIPAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuild-inWatchOS 5
Apps
Music

All Wearables