Polar V800 vs. TomTom Spark vs. Polar Loop 2 vs. Garmin 645 Music vs. Garmin VivoActive 4

 
V800
Spark
Loop 2
645 Music
VivoActive 4
 PolarV800Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$470$150$120$450$349
Release20142015201520182019

Activity & Fitness

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

Battery

Duration13 hours to 30 daysn/a8 days (without notifications)7 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a240 x 240260 x 260
Sizen/an/an/a1.2 inches1.3ionches
Touch
Typen/aLCDLEDMIPMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables