Fitbit Alta vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Inspire HR vs. Apple Watch 8

 
Alta
645 Music
Charge
Inspire HR
Watch 8
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$450$130$99$499
Release20162018201420192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA139 x 60340 x 272 or 390 x 312
Sizen/a1.2 inchesNA1.4 inches1.5 inches or 1.65 inches
Touchn/aNA
TypeOLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAFitbit OSWatchOS 9
Apps
Music

All Wearables