Garmin 645 Music vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
645 Music
Time 2
Vivofit 4
Watch Series 4
 Garmin645 MusicRemove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$450$199$79.95$329
Release2018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days10 days1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240NA88 x 88384 x 480
Size1.2 inchesNANA1.78 inches
Touch
TypeMIPe-paperNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWatch OS 5
Apps
Music

All Wearables