Polar M400 vs. Amazfit Stratos vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Michael Kors Access Lexington 2

 
M400
Stratos
645 Music
Forerunner 235
Access Lexington 2
 PolarM400Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsAccess Lexington 2Remove Buy Now

Basic Info

Suggested Price$200$199$450$299.99$350
Release20142018201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days7 days9 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300240 x 240215 x 180390 x 390
Sizen/a1.34 inches1.2 inches1.23 inches1.2 inches
Touch
Typen/aOLEDMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OS
Apps
Music

All Wearables