Polar M430 vs. Garmin 645 Music vs. Polar Loop vs. Garmin VivoActive 4 vs. Apple Series 6

 
M430
645 Music
Loop
VivoActive 4
Series 6
 PolarM430Remove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$255$450$100$349$399
Release20172018201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days5 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 240NA260 x 260384 x 480
Size1.4 inch1.2 inchesNA1.3ionches40mm
Touch
TypeLCDMIPLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceWR305 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWear OSWatchOS 5
Apps
Music

All Wearables