Garmin Vivofit 3 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch 7 vs. Apple Watch Ultra

 
Vivofit 3
645 Music
Alta HR
Watch 7
Watch Ultra
 GarminVivofit 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$450$150$429$799
Release20162018201720212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year7 days7 days18 Hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64240 x 240128 x 36396 x 484502x410 pixels
Size0.55 inches1.2 inches1.4 inches1.9 inches1.92 inches
Touch
Typen/aMIPOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMwater resistant but not waterproof10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 8WatchOS 9
Apps
Music

All Wearables