title: what is the difference between DX,SX,LX
body: <p>I am confused with followings</p>
  
  <ul>
  <li>DX-for desktop</li>
  <li>SX-high performance and cheap</li>
  <li>SL-for laptops</li>
  </ul>
  
  <p>Are they CPU brands?and how they affect to the performance of the computer?</p>
  
  <p>Thanks in advance
  :)</p>