Polar M400 vs. Polar Loop 2 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Michael Kors Access Sofie HR

 
M400
Loop 2
Cor
Forerunner 235
Access Sofie HR
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$120$79.99$299.99$395
Release20142015201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)12 days9 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a80 x 160215 x 180390 x 390
Sizen/an/a1.23 inches1.23 inches1.19 inches
Touch
Typen/aLEDIPS LCDMIPOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables