Casio WSD-F20A vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Huawei Band 2

 
WSD-F20A
Flex
On Full Guard 2.5
Forerunner 45
Band 2
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$399$100$325$199$69.99
Release20182013201820192017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days4 days7 days21 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA454x454208 x 208128 x 32
Size1.32 inchesNA1.39 inches1.04 inches0.91 inches
TouchNA
TypeLCDLEDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWear OSBuilt-in
Apps
Music

All Wearables