Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Fitbit Flex vs. Apple Watch Series 5

 
Forerunner 935
645 Music
Charge HR
Flex
Watch Series 5
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$500$450$150$100$329
Release20172018201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240NANA384 x 480
Size1.2 inches1.2 inchesNANA1.78 Inches
TouchNANA
TypeLCDMIPOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 5
Apps
Music

All Wearables