Polar M400 vs. Sony SmartWatch 3 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Michael Kors Access Lexington 2

 
M400
SmartWatch 3
Vivosmart HR
Loop 2
Access Lexington 2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess Lexington 2Remove Buy Now

Basic Info

Suggested Price$200$250$170$120$350
Release20142014201520152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days8 days (without notifications)2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320160 x 68n/a390 x 390
Sizen/a1.6 inches1.08 inchesn/a1.2 inches
Touch
Typen/aTFT LCDn/aLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM2 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/aWear OS
Apps
Music

All Wearables