Polar M400 vs. Polar M600 vs. Garmin Fenix 5X vs. Michael Kors Access Sofie HR vs. Apple Watch Ultra

 
M400
M600
Fenix 5X
Access Sofie HR
Watch Ultra
 PolarM400Remove Buy NowPolarM600Remove Buy NowGarminFenix 5XRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$330$699$395$799
Release20142016201720192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysUp to 12 days2 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x240390 x 390502x410 pixels
Sizen/a1.3 inches1.2 inches1.19 inches1.92 inches
Touchn/a
Typen/aTFTNAOMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX810 ATM0.3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables