Question Is this CPU really bad, should i replace it also is it the same one as this: Intel Core 2 Quad Q6600 2.40 Ghz or are they different?

[Pomfrit]

is my cpu same as this one:
Intel Core 2 Quad Q6600 2.40 Ghz

im not sure because of the Q

also ill buy graohics card : amd radeon hd 6570 and i hope my cpu is good enough for it.

 

[Pomfrit]

will i be able to play wow and some newer games with 8gb of ram and this cpu? and if i buy a new gpu? sorry for that many questions lately but im not good at building a pc also my budget is low lol