"Back in March we had looked at the Intel Core 2 Duo T9300
mobile processor with its Penryn core and 6MB of shared L2 cache
between its two cores clocked at 2.50GHz. We were very pleased with
the performance of this mobile processor on Linux, which was found
within a Lenovo ThinkPad T61 notebook, and today we are looking at
the Penryn's desktop counterpart. Intel's Core 2 Duo "Wolfdale"
E8000 series processors were released earlier this year with 6MB of
L2 cache, 45nm manufacturing, a 1333MHz FSB, and support for SSE
4.1. The processor from the Wolfdale series we are looking at today
under Linux is the Core 2 Duo E8400..."