Fitbit Charge 2 vs. Fitbit Flex 2 vs. Garmin Chronos vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45

 
Charge 2
Flex 2
Chronos
On Full Guard 2.5
Forerunner 45
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowGarminChronosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$150$100$1500$325$199
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218 x 218454x454208 x 208
Sizen/an/a1.2 inches1.39 inches1.04 inches
Touchn/an/a
TypeOLEDLEDMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM10 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OSBuilt-in
Apps
Music

All Wearables