Fitbit Flex 2 vs. Apple Watch vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire 3

 
Flex 2
Watch
645 Music
On Full Guard 2.5
Inspire 3
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$349$450$325$100
Release20162015201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days4 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312240 x 240454x45432x18
Sizen/a1.5 inches or 1.65 inches1.2 inches1.39 inches46 inches
Touchn/a
TypeLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables