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| Price | $345.95 | $339.95 | $254.99 to $356.99 | $1,110.95 to $1,194.99 | $154.99 |
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| Release date | July 13, 2006 | November 02, 2008 | March 27, 2008 | ||
| The Bottom Line | Intel's Core 2 Duo line marks the end of AMD's run of dominance through the dual-core desktop-processor landscape. Not only are Intel's new chips fast, efficient, and well designed, but they're also aggressively priced and sure to send ripples though the desktop PC industry. If you are buying or building a new computer, we recommend that a Core 2 Duo chip be at its center. | Thanks to an expensive new motherboard requirement, Intel's new Core i7 desktop processors will remain enthusiast and professional-level parts until more affordable complementary hardware comes out later next year. Speed never comes cheap, however, and if you're willing to spend for it now, you'll find yourself in possession of the fastest CPU on the market. | AMD's new Phenom X4 9850 is overpriced and outclassed compared with its Intel-based quad-core competition. If PC vendors can use this chip to make cheap systems (as they did with older Phenoms), we might have nicer things to say, but as a DIY part at this price, we can't recommend AMD's latest quad-core CPU. | ||
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| Features | Intel 64 Technology Intel Smart Memory Access Intel Advanced Smart Cache Intel Wide Dynamic Execution Enhanced SpeedStep technology Execute Disable Bit capability Intel Virtualization Technology Intel Advanced Digital Media Boost | Intel 64 Technology Enhanced SpeedStep technology Execute Disable Bit capability Intel Virtualization Technology | Intel 64 Technology Intel Smart Memory Access Intel Advanced Smart Cache Intel Wide Dynamic Execution Enhanced SpeedStep technology Execute Disable Bit capability Intel Virtualization Technology Intel Advanced Digital Media Boost Intel Trusted Execution Technology | Intel 64 Technology Demand Based Switching Intel Thermal Monitor 2 Enhanced Halt State (C1E) Hyper-Threading Technology Enhanced SpeedStep technology Execute Disable Bit capability Intel Virtualization Technology | AMD Virtualization Enhanced Virus Protection HyperTransport technology AMD Cool'n'Quiet Technology |
| Cache Memory | L2 cache Advanced Smart Cache - 8 MB ( 2 x 4MB (4MB per core pair) ) | L2 cache Advanced Smart Cache - 4 MB | L2 cache Advanced Smart Cache - 12 MB ( 2 x 6MB (6MB per core pair) ) | L3 cache Advanced Smart Cache - 8 MB | L2 - 4 x 512 KB - L3 cache 2 MB |
| Bus Speed | 1066 MHz | 1066 MHz | 1333 MHz | Info unavailable | Info unavailable |
| Compatible Slots | 1 x Processor - LGA775 Socket | 1 x Processor - LGA775 Socket | 1 x Processor - LGA775 Socket | 1 x Processor - LGA1366 Socket | 1 x Processor - Socket AM2+ |
| Manufacturing Process | 65 nm | 65 nm | 45 nm | 45 nm | 65 nm |
| Multi-Core Technology | Quad-Core | Dual-Core | Quad-Core | Quad-Core | Quad-Core |
| Processor Qty | 1 | 1 | 1 | 1 | 1 |
| Product Description | Intel Core 2 Quad Q6600 / 2.4 GHz Processor | Intel Core 2 Duo E6600 / 2.4 GHz Processor | Intel Core 2 Quad Q9550 / 2.83 GHz Processor | Intel Core i7 Extreme Edition I7-965 / 3.2 GHz Processor | AMD Black Edition AMD Phenom X4 9850 / 2.5 GHz Processor |
| 64-bit Computing | Yes | Yes | Yes | Yes | Yes |
| Product Type | Processor | Processor | Processor | Processor | Processor |
| Compatible Processor Socket | LGA775 Socket | LGA775 Socket | LGA775 Socket | LGA1366 Socket | Socket AM2+ |
| Clock Speed | 2.4 GHz | 2.4 GHz | 2.83 GHz | 3.2 GHz | 2.5 GHz |
| Packaging Type | Info unavailable | Info unavailable | Info unavailable | FC-LGA8 | Info unavailable |
| Manufacturer Warranty | 3 years warranty | 3 years warranty | 3 years warranty | 3 years warranty | 3 years warranty |
| Processor Type | Intel Core 2 Quad Q6600 | Intel Core 2 Duo E6600 | Intel Core 2 Quad Q9550 | Intel Core i7 Extreme Edition I7-965 | AMD Phenom X4 9850 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Intel Core 2 Quad Q6600 / 2.4 GHz processor comparison
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