Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Fitbit Charge vs. Garmin Forerunner 45 vs. Apple Series 6

 
Flex 2
Forerunner 935
Charge
Forerunner 45
Series 6
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitChargeRemove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$500$130$199$399
Release20162017201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks7-10 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NA208 x 208384 x 480
Sizen/a1.2 inchesNA1.04 inches40mm
Touchn/aNA
TypeLEDLCDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWatchOS 5
Apps
Music

All Wearables