Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Garmin Instinct

 
Charge 2
Ionic
645 Music
On Full Guard 2.5
Instinct
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$150$299$450$325$300
Release20162017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days7 days4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240454x454128 x 128
Sizen/a1.421.2 inches1.39 inches0.9 inches
Touchn/a
TypeOLEDOLEDMIPOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM3 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OS
Apps
Music

All Wearables