Polar M400 vs. Polar V800 vs. Pebble Core vs. Michael Kors Access Sofie HR vs. Garmin VivoActive 4

 
M400
V800
Core
Access Sofie HR
VivoActive 4
 PolarM400Remove Buy NowPolarV800Remove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$470$99$395$349
Release20142014201620192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 daysNA2 days8 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA390 x 390260 x 260
Sizen/an/aNA1.19 inches1.3ionches
TouchNA
Typen/an/aNAOMOLEDMIP

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMNA0.3 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNAWear OSWear OS
Apps
Music

All Wearables