Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 235 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Flex 2
G-Shock GBA800
Forerunner 235
Forerunner 45
Series 6
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 235Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$120$299.99$199$399
Release20162018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years9 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180208 x 208384 x 480
Sizen/a1.23 inches1.04 inches40mm
Touchn/a
TypeLEDMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWatchOS 5
Apps
Music

All Wearables