No idea on specific stats, but I bought a $400 toshiba laptop for my grandparents and it runs it just fine. Pretty much any machine built now will run it, and anything in the past 5 or 6 years really shouldn't have trouble.
My machine at home(it's a dinosaur from '06
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AMD Athlon 3800+ X2
2gb of RAM
ATi Radeon x1650(512mb)
and it runs EQ no problem.