Garmin Vivosmart vs. Garmin 645 Music vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire 3

 
Vivosmart
645 Music
Flex
On Full Guard 2.5
Inspire 3
 GarminVivosmartRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$170$450$100$325$100
Release20142018201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 days5 days4 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16240 x 240NA454x45432x18
Size1.41 inches1.2 inchesNA1.39 inches46 inches
TouchNA
TypeOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables