Polar M400 vs. Sony SmartBand Talk vs. Garmin 645 Music vs. Garmin Fenix 5X

 
M400
SmartBand Talk
645 Music
Fenix 5X
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy Now

Basic Info

Suggested Price$200$170$450$699
Release2014201420182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days7 daysUp to 12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128240 x 240240 x240
Sizen/a1.4 inches1.2 inches1.2 inches
Touch
Typen/aE InkMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear
Apps
Music

All Wearables