Polar M400 vs. Sony SmartWatch 3 vs. TomTom Spark vs. Garmin Vivosmart HR vs. Polar Loop 2

 
M400
SmartWatch 3
Spark
Vivosmart HR
Loop 2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowTomTomSparkRemove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy Now

Basic Info

Suggested Price$200$250$150$170$120
Release20142014201520152015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysn/a5 days8 days (without notifications)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320n/a160 x 68n/a
Sizen/a1.6 inchesn/a1.08 inchesn/a
Touch
Typen/aTFT LCDLCDn/aLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wearn/an/an/a
Apps
Music

All Wearables