Web browsers usually scale the resulting picture if the monitor resolution is not set to 100%, or if any kind of browser zoom is present.

That doesn't depend on hardware acceleration.

Despite of that you can disable for html5 client font smoothing by changing following variable :

  1. open this file with a text editor : *\www\software\html5\settings.js
  2.  change this variable as following: W.fontsmoothing = false;

In the Chrome Web browser you can also DISABLE this setting: 

use hardware acceleration when available : NO