Amazfit Bip vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Charge HR vs. Amazfit T-Rex

 
Bip
WSD-F20A
Forerunner 235
Charge HR
T-Rex
 AmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99.99$399$299.99$150$140
Release20182018201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days1 day9 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176320 x 320215 x 180NA360 x 360
Size1.28 inches1.32 inches1.23 inchesNA1.3 inches
TouchNA
TypeNALCDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNABuild-in
Apps
Music

All Wearables