Polar V800 vs. Garmin 645 Music vs. Pebble Time 2 vs. Fitbit Alta HR vs. Apple Watch Series 4

 
V800
645 Music
Time 2
Alta HR
Watch Series 4
 PolarV800Remove Buy NowGarmin645 MusicRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$470$450$199$150$329
Release20142018201620172018

Activity & Fitness

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

Battery

Duration13 hours to 30 days7 days10 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA128 x 36384 x 480
Sizen/a1.2 inchesNA1.4 inches1.78 inches
Touch
Typen/aMIPe-paperOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSWatch OS 5
Apps
Music

All Wearables