Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex vs. Fitbit Inspire 3

 
Forerunner 935
645 Music
Charge
Flex
Inspire 3
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$500$450$130$100$100
Release20172018201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days7-10 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240NANA32x18
Size1.2 inches1.2 inchesNANA46 inches
TouchNANA
TypeLCDMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemNANA
Apps
Music

All Wearables