Intel Core i5 2500K Sandy Bridge, Intel Core, Intel Core i7 920, Intel Corei i7 970, Intel Core i7 990X, Intel Core i7 870 benchmarking under Linux with an early Ubuntu 12.04 LTS Precise Pangolin 64-bit snapshot on the Linux 3.2 kernel. Testing by Michael Larabel of Phoronix.com for a future article.