Garmin 645 Music vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Pebble Core vs. Samsung Gear Fit2 Pro

 
645 Music
Alta HR
Vivofit 4
Core
Gear Fit2 Pro
 Garmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$450$150$79.95$99$199.99
Release20182017201820162017

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days7 days1 yearNA2 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 3688 x 88NA216 x 432
Size1.2 inches1.4 inchesNANA1.5 inches
TouchNA
TypeMIPOLEDNANAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNATizen OS
Apps
Music

All Wearables