okay... Firstly the core 2 duo is e7500 and the quad is e9550.
My psu is 400w space, but i'll change it.
And for multi threading idk what new games will be like.
Crysis 3, gta v, metal gear revengence, dmc 5, bioshock .... These are the games i'll mainly play... So gta 5 might be a problem...