Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Fitbit Alta HR vs. Garmin Vivosmart HR Plus vs. Apple SE (2022)

 
645 Music
Fenix 5x Plus
Alta HR
Vivosmart HR Plus
SE (2022)
 Garmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$450$850$150$179$249
Release20182018201720172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days20 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution240 x 240240 x 240128 x 36160 x 6840mm
Size1.2 inches1.2 inches1.4 inches0.5 inches x 0.8 inches
TouchLTPO OLED Retina
TypeMIPMIPOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables