Fitbit Flex 2 vs. Polar M430 vs. Casio WSD-F20A vs. Samsung Galaxy Watch vs. Apple SE

 
Flex 2
M430
WSD-F20A
Galaxy Watch
SE
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGalaxy WatchRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$255$399$330$279
Release20162017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours1 day7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128320 x 320360 x 360384 x 480
Sizen/a1.4 inch1.32 inches1.2 inches or 1.3 inches40mm
Touchn/a
TypeLEDLCDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSTizen OSWatchOS 5
Apps
MusicSpotify

All Wearables