Amazfit Bip vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Series 4 vs. Amazfit GTR

 
Bip
WSD-F20A
Flex
Watch Series 4
GTR
 AmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$99.99$399$100$329$199
Release20182018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days1 day5 daysNot Yet24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176320 x 320NA384 x 480454 x 454
Size1.28 inches1.32 inchesNA1.78 inches1.39 inches
TouchNA
TypeNALCDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWatch OS 5Build-in
Apps
Music

All Wearables