Polar M400 vs. Polar A360 vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Polar A370

 
M400
A360
645 Music
Fenix 5X
A370
 PolarM400Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$200$450$699$179.95
Release20142015201820172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7 daysUp to 12 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80240 x 240240 x240160 x 80
Sizen/a1.18 inches1.2 inches1.2 inches1.18 inches
Touch
Typen/an/aMIPNATFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR305 ATM10 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables