Fitbit Alta vs. Fitbit Charge 2 vs. Diesel On Full Guard vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Alta
Charge 2
On Full Guard
645 Music
VivoActive 4
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$150$325$450$349
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454240 x 240260 x 260
Sizen/an/a1.4 inches1.2 inches1.3ionches
Touchn/an/a
TypeOLEDOLEDOMOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/aIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables