InsideHW.com has compared gaming performances of Core i7 and Core 2 platforms
"In the review of Nehalem CPU we haven't said anything about gaming performances. Since new X58 chipset has support for nVIDIA SLI and ATi CrossFire, it would be great to see those performances, but that combination would come with hefty price tag at the moment, so we decided to test single graphics card system. We have used Intel DX58SO motherboard in combination with Palit Revolution 700 Deluxe (HD 4870 X2) and Palit GeForce GTX 280. Other configuration was based on ASUS Rampage Formula motherboard as representative of older X48 chipset."
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Gaming Performance: Core i7 vs. Core 2 Quad
