Amazfit Bip vs. Casio WSD-F20A vs. Fitbit Flex vs. Huawei Band 3 Pro vs. Amazfit T-Rex

 
Bip
WSD-F20A
Flex
Band 3 Pro
T-Rex
 AmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99.99$399$100$70$140
Release20182018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days1 day5 days12 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176320 x 320NA454 x 454360 x 360
Size1.28 inches1.32 inchesNA1.39 inches1.3 inches
TouchNA
TypeNALCDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAAMAZFIT OSBuild-in
Apps
Music

All Wearables