Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Apple Watch Series 5 vs. Garmin Forerunner 45

 
Flex 2
ZenWatch
WSD-F20A
Watch Series 5
Forerunner 45
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$150$399$329$199
Release20162014201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 dayNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320320 x 320384 x 480208 x 208
Sizen/a1.63 inches1.32 inches1.78 Inches1.04 inches
Touchn/a
TypeLEDAMOLEDLCDMicroLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATMNot Yet5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSWatchOS 5Built-in
Apps
Music

All Wearables