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| Price | $1,110.95 | $288.99 to $349.99 | Check Prices | $397.95 to $637.69 | $569.99 to $670.48 |
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| Release date | November 02, 2008 | November 12, 2007 | July 13, 2006 | ||
| The Bottom Line | 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. | The CPU market is due for a lot of upheaval over the next 12 months, so you might be wise to wait for a clearer picture before plunking down $1,000 or so on Intel's new Core 2 Extreme QX9650 quad-core desktop processor. But if you want to claim ownership of the fastest multicore CPU around today, look no further. | Intel's Core 2 Duo E6700 offers the best price-to-performance ratio we've seen in a desktop chip. For half the cost of AMD's top-of-the-line chip, you get identical if not superior performance and better power efficiency. AMD surprised us last year with its completely dominant dual-core chips, but Intel regains the crown with Core 2 Duo. | ||
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| Bus Speed | Info unavailable | Info unavailable | 1333 MHz | 1066 MHz | Info unavailable |
| Features | 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 | Intel 64 Technology Intel Thermal Monitor 2 Enhanced Halt State (C1E) Hyper-Threading Technology Integrated memory controller Intel Wide Dynamic Execution Enhanced SpeedStep technology Execute Disable Bit capability Intel Virtualization Technology Intel Advanced Digital Media Boost | Intel 64 Technology Intel Smart Memory Access Intel Advanced Smart Cache Streaming SIMD extensions 4 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 Hyper-Threading Technology Enhanced SpeedStep technology Intel Virtualization Technology |
| Cache Memory | L3 cache Advanced Smart Cache - 8 MB | L3 cache Advanced Smart Cache - 8 MB | L2 cache Advanced Smart Cache - 12 MB | L2 cache Advanced Smart Cache - 4 MB | L3 cache Advanced Smart Cache - 8 MB |
| Compatible Slots | 1 x Processor - LGA1366 Socket | 1 x Processor - LGA1366 Socket | 1 x Processor - LGA775 Socket | 1 x Processor - LGA775 Socket | 1 x Processor - LGA1366 Socket |
| Manufacturing Process | 45 nm | 45 nm | 45 nm | 65 nm | 45 nm |
| Multi-Core Technology | Quad-Core | Quad-Core | Quad-Core | Dual-Core | Quad-Core |
| Processor Qty | 1 | 1 | 1 | 1 | 1 |
| Product Description | Intel Core i7 Extreme Edition I7-965 / 3.2 GHz Processor | Intel Core i7 I7-920 / 2.66 GHz Processor | Intel Core 2 Extreme QX9650 / 3 GHz Processor | Intel Core 2 Duo E6700 / 2.66 GHz Processor | Intel Core i7 I7-950 / 3.06 GHz Processor |
| 64-bit Computing | Yes | Yes | Yes | Yes | Yes |
| Product Type | Processor | Processor | Processor | Processor | Processor |
| Compatible Processor Socket | LGA1366 Socket | LGA1366 Socket | LGA775 Socket | LGA775 Socket | LGA1366 Socket |
| Clock Speed | 3.2 GHz | 2.66 GHz | 3 GHz | 2.66 GHz | 3.06 GHz |
| Manufacturer Warranty | 3 years warranty | 3 years warranty | 3 years warranty | 3 years warranty | 3 years warranty |
| Packaging Type | FC-LGA8 | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Processor Type | Intel Core i7 Extreme Edition I7-965 | Intel Core i7 I7-920 | Intel Core 2 Extreme QX9650 | Intel Core 2 Duo E6700 | Intel Core i7 I7-950 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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