Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin VivoActive 4 vs. HTC re Grip vs. Apple SE

 
Flex 2
WSD-F20A
VivoActive 4
re Grip
SE
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$399$349$199$279
Release20162018201920202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day8 days5 hours to 2.5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320260 x 260160 x 32384 x 480
Sizen/a1.32 inches1.3ionches1.8 inches40mm
Touchn/a
TypeLEDLCDMIPPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSNAWatchOS 5
Apps
Music

All Wearables