Change your processor name

this is a simple trick to fake processor name in windows
all you need to do is, press windows key + R and type
regedit
now in left panel, click on HKEY_LOCAL_MACHINE
and follow this path

HARDWARE>DESCRIPTION>System>CenteralProcessor\0
now see in right side, there is a key of Processor Name
right click on it, and edit it
and change it to whatever you want 
 
when you save it and exit
and check in properties or dxdiag too
it is changed