You will need to upgrade to a newer Optiplex Like a 755 or better tower and 64 bit windows 7 to see more improvement.
The 620 does not work with 64 bit windows to any advantage and is limited to 3.5 gigs ram regardless of OS OR CPU.
You will need to upgrade to a newer Optiplex Like a 755 or better tower and 64 bit windows 7 to see more improvement.
The 620 does not work with 64 bit windows to any advantage and is limited to 3.5 gigs ram regardless of OS OR CPU.