Conroe (microprocessor)
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Intel Core 2 Duo E6300
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| Produced | From 2006 to 2009 |
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| Max. CPU clock rate | 1.2 GHz to 3.0 GHz |
| FSB speeds | 800 MHz to 1333 MHz |
| Instruction set | x86, x86-64 |
| Microarchitecture | Core |
| CPUID code | 06Fx (Conroe-L: 1066x) |
| Product code | 80557 |
| Cores | 2 (Conroe-L: 1) |
| L2 cache | Allendale: 2 MB Conroe: 4 MB Conroe-L: 512 KB |
| Socket(s) | |
| Application | Desktop |
| Brand name(s) |
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Conroe is the code name for many Intel processors sold as Core 2 Duo, Xeon, Pentium Dual-Core and Celeron. It was the first desktop processor to be based on the Core microarchitecture, replacing the NetBurst microarchitecture based Cedar Mill processor. It has product code 80557, which is shared with Allendale and Conroe-L that are very similar but have a smaller L2 cache. Conroe-L has only one processor core and a new CPUID model. The mobile version of Conroe is Merom, the dual-socket server version is Woodcrest, and the quad-core desktop version is Kentsfield. Conroe was replaced by the 45 nm Wolfdale processor.
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. 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. 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. 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. These Conroe-based E6300 and E6400 CPUs have the B2 stepping.
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