Celeron M ULV 353 900MHz Game Requirement AnalysisPenryn is the code name of a processor from Intel that is sold in varying configurations as Core 2 Solo, Core 2 Duo, Core 2 Quad, Pentium and Celeron. During development, Penryn was the Intel code name for the 2007/2008 "Tick" of Intel's Tick-Tock cycle which shrunk Merom to 45 nanometers as CPUID model 23. The term Penryn is sometimes used to refer to all 45 nm chips with the Core architecture. Chips with Penryn architecture come in two sizes, with 6 MiB and 3 MiB L2 cache. Low power versions of Penryn are known as the Penryn processor. The smaller version is commonly called Penryn-3M and is used for the single-core processors. The Penryn-QC quad-cores are made from two chips with two cores and 6 MB of cache per chip. The desktop version of Penryn is Wolfdale and the dual-socket server version is Wolfdale-DP. Penryn-QC is related to Yorkfield on the desktop and Harpertown in servers. The MP server Dunnington chip is a more distant relative based on a different chip but using the same 45 nm Core microarchitecture.
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Source[ Wikipedia ]