Polar M430 vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Garmin Forerunner 45 vs. Apple Watch 7

 
M430
645 Music
Vivosmart HR Plus
Forerunner 45
Watch 7
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$450$179$199$429
Release20172018201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days5 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240160 x 68208 x 208396 x 484
Size1.4 inch1.2 inches0.5 inches x 0.8 inches1.04 inches1.9 inches
Touch
TypeLCDMIPLCDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inWatchOS 8
Apps
Music

All Wearables