Fitbit Alta vs. Garmin 645 Music vs. Amazfit GTS vs. Apple Watch 8 vs. Apple SE

 
Alta
645 Music
GTS
Watch 8
SE
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 8Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$450$150$499$279
Release20162018201920222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days14 days18 hrs18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240348 x 442340 x 272 or 390 x 312384 x 480
Sizen/a1.2 inches1.65 inches1.5 inches or 1.65 inches40mm
Touchn/a
TypeOLEDMIPAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWatchOS 9WatchOS 5
Apps
Music

All Wearables