Polar M400 vs. Polar V800 vs. Michael Kors Access Sofie HR vs. Apple Watch 8

 
M400
V800
Access Sofie HR
Watch 8
 PolarM400Remove Buy NowPolarV800Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$470$395$499
Release2014201420192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days2 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390340 x 272 or 390 x 312
Sizen/an/a1.19 inches1.5 inches or 1.65 inches
Touch
Typen/an/aOMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 9
Apps
Music

All Wearables