Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin 645 Music vs. Mobvoi TicWatch S2 vs. Apple SE

 
Flex 2
WSD-F20A
645 Music
TicWatch S2
SE
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch S2Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$399$450$180$279
Release20162018201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days2 DAYS18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320240 x 240400 x 400384 x 480
Sizen/a1.32 inches1.2 inches1.39 inches40mm
Touchn/a
TypeLEDLCDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables