hi guys i heave a lga 775 socket it has a pendium D 3.4 ghz 945 motherboard is OKF623 can i upgrade my procesor to dual core 3.0 or quad core 3.0 can i do that thing and i heave a xfx geforce 9800 gt if i upgrade does the games run better i heave cs go installed it runs in 30 fps please help