Polar M400 vs. Polar M600 vs. Michael Kors Access Sofie vs. Pebble Time 2 vs. Garmin Forerunner 45

 
M400
M600
Access Sofie
Time 2
Forerunner 45
 PolarM400Remove Buy NowPolarM600Remove Buy NowMichael KorsAccess SofieRemove Buy NowPebbleTime 2Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$330$395$199$199
Release20142016201720162019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days1 day10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240390 x 390 1.19 inchesNA208 x 208
Sizen/a1.3 inchesNA1.04 inches
Touchn/aAMOLDED
Typen/aTFTe-paperLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX81 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0Pebble OSBuilt-in
Apps
Music

All Wearables