The family has a 1066 MHz front side bus, 4 MB shared L2 cache, and 65 watts TDP. The higher end Conroe processors are the E6600 (2.4 GHz) and E6700 (2.67 GHz) Core 2 Duo models. the smaller 2 MB L2 cache at the same frequency and FSB can provide a 0–9% performance gain with certain applications and 0–16% performance gain with certain games. According to reviews, the larger 4 MB L2 cache vs.
Conroe CPUs have improved capabilities over previous models with similar processor clock rates. At launch time, Intel's prices for the Core 2 Duo E6300 and E6400 processors were US$183 and US$224 each in quantities of 1000. When yields improve, they may be replaced with versions that only have the cache amount needed on the die, to bring down manufacturing cost. Traditionally, CPUs of the same family with less cache simply have the unavailable cache disabled, since this allows parts that fail quality control to be sold at a lower rating. These Conroe-based E6300 and E6400 CPUs have the B2 stepping. All Conroe processors are manufactured with 4 MB L2 cache however, due to manufacturing defects or possibly for marketing purposes, the E6300 and E6400 versions based on this core have half their cache disabled, leaving them with only 2 MB of usable L2 cache.
Intel has claimed that Conroe provides 40% more performance at 40% less power compared to the Pentium D the E6300, lowest end of the initial Conroe lineup, is able to match or even exceed the former flagship Pentium Extreme Edition 965 in performance despite a massive 50% clock frequency deficit. These processors were fabricated on 300 mm wafers using a 65 nm manufacturing process, and intended for desktop computers, as a replacement for the Pentium 4 and Pentium D branded CPUs. The first Intel Core 2 Duo branded processor cores, code-named Conroe, were launched on July 27, 2006, at Fragapalooza, a yearly gaming event in Edmonton, Alberta, Canada. The mobile version of Conroe is Merom, the dual-socket server version is Woodcrest, and the quad-core desktop version is Kentsfield.Ĭonroe was replaced by the 45 nm Wolfdale processor. Conroe-L has only one processor core and a new CPUID model. It has product code 80557, which is shared with Allendale and Conroe-L that are very similar but have a smaller L2 cache. It was the first desktop processor to be based on the Core microarchitecture, replacing the NetBurst microarchitecture based Cedar Mill processor. Conroe is the code name for many Intel processors sold as Core 2 Duo, Xeon, Pentium Dual-Core and Celeron.
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