Fitbit Alta vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Apple Watch 7

 
Alta
645 Music
Forerunner 235
Watch 7
 FitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$450$299.99$429
Release2016201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days9 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240215 x 180396 x 484
Sizen/a1.2 inches1.23 inches1.9 inches
Touchn/a
TypeOLEDMIPMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatchOS 8
Apps
Music

All Wearables