Fitbit Flex 2 vs. Casio WSD-F20A vs. Jaybird Reign vs. Garmin Forerunner 45 vs. Apple SE

 
Flex 2
WSD-F20A
Reign
Forerunner 45
SE
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy NowGarminForerunner 45Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$399$150$199$279
Release20162018201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA208 x 208384 x 480
Sizen/a1.32 inchesNA1.04 inches40mm
Touchn/aNA
TypeLEDLCDLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuilt-inWatchOS 5
Apps
Music

All Wearables