Fitbit Flex 2 vs. Apple Watch vs. Garmin Forerunner 235 vs. Apple Watch Series 5 vs. Apple Series 6

 
Flex 2
Watch
Forerunner 235
Watch Series 5
Series 6
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch Series 5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$349$299.99$329$399
Release20162015201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours9 daysNot YetNot yet
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 312215 x 180384 x 480384 x 480
Sizen/a1.5 inches or 1.65 inches1.23 inches1.78 Inches40mm
Touchn/a
TypeLEDAMOLEDMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIPX75 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWatchOS 5WatchOS 5
Apps
Music

All Wearables