In fact, the two are not comparable, because each has its own advantages and disadvantages.
The wireless landline generates signals through signal transmission with the base, so it can make wireless calls and is convenient to move, but in thunderstorm weather or indoors with signal shielding, its call quality will be affected.
Wired landline has poor mobility, but good call quality at any time.
You can buy a set of mother and child computers, that is, one wired and one wireless, so you can choose at will when you need it.