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| Product | Intel Core i7-965 Extreme Edition | AMD A8-3850 | Intel Core 2 Extreme QX9650 | AMD Black Edition AMD FX 4100 / 3.6 GHz processor | Intel Core 2 Duo E6700 |
| Price | $779.99 to $1,539.71 | $78.99 to $263.55 | $395.29 | $115.50 to $119.37 | $80.00 to $199.00 |
| CNET editors' rating | 4 stars | 3.5 stars | 4 stars | Info unavailable | 4.5 stars |
| Average user rating | 4 stars | 4.5 stars | 0 stars | 4.5 stars | 4 stars |
| Release date | November 2, 2008 | Info unavailable | November 12, 2007 | Info unavailable | July 13, 2006 |
| 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. | We recommend the AMD A8-3850 to mainstream desktop PC users in search of capable gaming power and multithreaded application performance. | 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. | Info unavailable | 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. |
| Product Description | Intel Core i7 Extreme Edition i7-965 / 3.2 GHz Processor | AMD A series A8-3850 / 2.9 GHz Processor | Intel Core 2 Extreme QX9650 / 3 GHz Processor | AMD Black Edition AMD FX FX 4100 / 3.6 GHz Processor | Intel Core 2 Duo E6700 / 2.66 GHz Processor |
| Packaged Quantity | 1 | 1 | 1 | 1 | 1 |
| Product Type | Processor | Processor | Processor | Processor | Processor |
| Processor Type | Intel Core i7 Extreme Edition i7-965 | AMD A series A8-3850 | Intel Core 2 Extreme QX9650 | AMD FX FX 4100 | Intel Core 2 Duo E6700 |
| Number of Cores | Quad-Core | Quad-Core | Quad-Core | Quad-Core | Dual-Core |
| 64-bit Computing | Yes | Yes | Yes | Yes | Yes |
| Compatible Processor Socket | LGA1366 Socket | Socket FM1 | LGA775 Socket | Socket AM3+ | LGA775 Socket |
| Processor Qty | 1 | 1 | 1 | 1 | 1 |
| Clock Speed | 3.2 GHz | 2.9 GHz | 3 GHz | 3.6 GHz | 2.66 GHz |
| Manufacturing Process | 45 nm | 32 nm | 45 nm | 32 nm | 65 nm |
| Features | Execute Disable Bit capability Hyper-Threading Technology Enhanced SpeedStep technology Intel Virtualization Technology Intel Thermal Monitor 2 Intel 64 Technology Enhanced Halt State (C1E) Demand Based Switching | Integrated memory controller AMD64 technology | Streaming SIMD extensions 4 Execute Disable Bit capability Intel Wide Dynamic Execution Intel Smart Memory Access Enhanced SpeedStep technology Intel Advanced Smart Cache Intel Virtualization Technology Intel Advanced Digital Media Boost Intel 64 Technology | Info unavailable | Execute Disable Bit capability Enhanced SpeedStep technology Intel Virtualization Technology Intel 64 Technology |
| Compatible Slots | 1 x Processor - LGA1366 Socket | 1 x Processor - Socket FM1 | 1 x Processor - LGA775 Socket | 1 x Processor - Socket AM3+ | 1 x Processor - LGA775 Socket |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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