Fitbit Flex 2 vs. Amazfit Arc vs. Casio WSD-F20A vs. Garmin VivoActive 4 vs. Apple SE

 
Flex 2
Arc
WSD-F20A
VivoActive 4
SE
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivoActive 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$69.99$399$349$279
Release20162016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days1 day8 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40320 x 320260 x 260384 x 480
Sizen/a0.42 inches1.32 inches1.3ionches40mm
Touchn/a
TypeLEDOLEDLCDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables