Garmin 645 Music vs. Fitbit Alta HR vs. Huawei Band 3 Pro vs. Apple Watch 7 vs. Apple Watch Ultra

 
645 Music
Alta HR
Band 3 Pro
Watch 7
Watch Ultra
 Garmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowHuaweiBand 3 ProRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$450$150$70$429$799
Release20182017201820212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 days12 days18 Hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 36454 x 454396 x 484502x410 pixels
Size1.2 inches1.4 inches1.39 inches1.9 inches1.92 inches
Touch
TypeMIPOLEDAMOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68water resistant but not waterproof10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAMAZFIT OSWatchOS 8WatchOS 9
Apps
Music

All Wearables