Fitbit Flex 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Diesel On Full Guard 2.5 vs. Amazfit GTS

 
Flex 2
WSD-F20A
On Full Guard
On Full Guard 2.5
GTS
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$399$325$325$150
Release20162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320454 x 454454x454348 x 442
Sizen/a1.32 inches1.4 inches1.39 inches1.65 inches
Touchn/a
TypeLEDLCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0Wear OSWear OS
Apps
Music

All Wearables