Not really
i3 Ivy Bridge @ 3.0GHz knocks down Core 2 Duo E8XXX @ 4.0GHz
i5 Quad Core IB @ 3.0GHz knocks down Core 2 Quad Q9XXX @ 4.0GHz
An i5 3570k @ 4.2GHz should be fast enough for most games (include the most demanding game)
i3 Ivy Bridge @ 3.0GHz knocks down Core 2 Duo E8XXX @ 4.0GHz
i5 Quad Core IB @ 3.0GHz knocks down Core 2 Quad Q9XXX @ 4.0GHz
An i5 3570k @ 4.2GHz should be fast enough for most games (include the most demanding game)
Laptop: (Show Spoiler)
Mini PC :: (Show Spoiler)