Fitbit Blaze vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Series 6

 
Blaze
Watch Series 2
WSD-F20A
Flex
Series 6
 FitbitBlazeRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$269$399$100$399
Release20162016201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days18 hours1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.32 inchesNA40mm
TouchNA
TypeLCDAMOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNAWatchOS 5
Apps
Music

All Wearables