Polar M400 vs. Sony SmartWatch 3 vs. TomTom Spark vs. Garmin Vivosmart HR vs. Fitbit Charge 3

 
M400
SmartWatch 3
Spark
Vivosmart HR
Charge 3
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowTomTomSparkRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$200$250$150$170$150
Release20142014201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysn/a5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320n/a160 x 6866 x 18
Sizen/a1.6 inchesn/a1.08 inches.721 inches
Touch
Typen/aTFT LCDLCDn/aOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wearn/an/aNA
Apps
Music

All Wearables