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

 
Charge 2
Watch
Forerunner 235
Flex
Series 6
 FitbitCharge 2Remove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$349$299.99$100$399
Release20162015201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours9 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312215 x 180NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.23 inchesNA40mm
Touchn/aNA
TypeOLEDAMOLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIPX75 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables