Polar M400 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Garmin Fenix 5X

 
M400
WSD-F20A
645 Music
Fenix 5X
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy Now

Basic Info

Suggested Price$200$399$450$699
Release2014201820182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day7 daysUp to 12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320240 x 240240 x240
Sizen/a1.32 inches1.2 inches1.2 inches
Touch
Typen/aLCDMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables