Polar M400 vs. Polar M600 vs. Misfit Speedo Shine 2 vs. Sony SmartBand Talk vs. Garmin Forerunner 45

 
M400
M600
Speedo Shine 2
SmartBand Talk
Forerunner 45
 PolarM400Remove Buy NowPolarM600Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowSonySmartBand TalkRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$330$80$170$199
Release20142016201620142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a296 x 128208 x 208
Sizen/a1.3 inchesn/a1.4 inches1.04 inches
Touchn/an/a
Typen/aTFTn/aE InkLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid WearBuilt-in
Apps
Music

All Wearables