Polar M400 vs. Polar M600 vs. Polar Loop 2 vs. Basis Peak vs. Casio WSD-F20A

 
M400
M600
Loop 2
Peak
WSD-F20A
 PolarM400Remove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowBasisPeakRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$200$330$120$200$399
Release20142016201520142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 days (without notifications)4 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a168 x 144320 x 320
Sizen/a1.3 inchesn/a1.25 inches1.32 inches
Touchn/a
Typen/aTFTLEDLCDLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX82 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNAWear OS
Apps
Music

All Wearables