Garmin Forerunner 235 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Apple Series 6

 
Forerunner 235
Flex
Forerunner 45
Inspire HR
Series 6
 GarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299.99$100$199$99$399
Release20172013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration9 days5 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180NA208 x 208139 x 60384 x 480
Size1.23 inchesNA1.04 inches1.4 inches40mm
TouchNA
TypeMIPLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inFitbit OSWatchOS 5
Apps
Music

All Wearables