Polar V800 vs. Fitbit Alta vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivofit 4

 
V800
Alta
645 Music
Chronos
Vivofit 4
 PolarV800Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$470$130$450$1500$79.95
Release20142016201820182018

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days7 days8 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240218 x 21888 x 88
Sizen/an/a1.2 inches1.2 inchesNA
Touchn/a
Typen/aOLEDMIPMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables