Hight CPU 100% Linux when running browsers?

Question

linux

the browser has one tab but the CPU reaches 100%
Cost UBUNTU 16.04 Proc
: i5 4200M 2.5ghz

Answer 1

Well, let's say 193%, which is a load of 1.9 cores. Despite the fact that your processor has 4 threads - consider the percentage to be half loaded.
Well, get used to it, in Linux all browsers eat more CPU and memory. If you don't like it, go back to Windows.

Answer 2

in linux, all browsers eat more CPU and memory

in Windows, too, still like guzzling. It rather depends on the browser.