The good: Fastest high-end desktop CPU; supporting motherboard supports both graphics card vendors' multicard technologies.
The bad: Requires an expensive new motherboard; chipset needs three memory sticks for maximum efficiency.
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.
| Intel Core i7 Processor Series Specifications | |||
| Intel Core i7-965 Extreme Edition | Intel Core i7-940 | Intel Core i7-920 | |
| Clock Speed (GHz) | 3.20 | 2.93 | 2.66 |
| QPI Speed (GT/sec) | 6.4 | 4.8 | 4.8 |
| Overspeed Protection Removed | Yes | No | No |
| Multiplier Locked | No | Yes | Yes |
| Default Multiplier | 24 | 22 | 20 |
| Price | $999.00 | $562.00 | $284.00 |
| Socket | 1366-pin LGA | ||
| L2 Cache Size | 256 KB per core | ||
| L3 Cache Size | 8 Megabytes | ||
| Die Size | 263 mm2 | ||
| Transistors | 731 Million | ||
| Memory Speed Support | DDR3-1066 | ||
| TDP | 130 Watts | ||
| Processor Architecture | New Intel Core Microarchitecture (Nehalem) 45nm | ||
| Features & Benefits | |||
| Feature | Benefit | ||
| Quad Core Processing | Provides four independent execution cores in one processor package. Four dedicated processing cores help operating systems and applications deliver additional performance, so end users can experience better multitasking and multithreaded performance across many types of applications and workloads. | ||
| Intel Hyper-Threading Technology | Delivers two processing threads per physical core for a total of eight threads for massive computational throughput. With Intel Hyper-Threading Technology, highly threaded applications can get more work done in parallel, completing tasks sooner. With more threads available to the operating system, multitasking becomes even easier. This amazing processor can handle multiple applications working simultaneously, allowing you to do more with less wait time. | ||
| Intel Turbo Boost Technology | Dynamically increases the processor's frequency as needed by taking advantage of thermal and power head-room when operating below specified limits. Get more performance automatically, when you need it the most. | ||
| 8 MB Intel Smart Cache | Dynamically increases the processor's frequency as needed by taking advantage of thermal and power head-room when operating below specified limits. Get more performance automatically, when you need it the most. | ||
| Intel QuickPath Interconnect | Intel's latest system interconnect design increases bandwidth and lowers latency, while achieving data transfer speeds as high as 25.6 GB/s. | ||
| Integrated Memory Controller | An integrated memory controller with three channels of DDR3 1066 MHz offers memory performance up to 25.6 GB/s. Combined with the processor's efficient prefetching algorithms, this memory controller's lower latency and higher memory bandwidth delivers amazing performance for data-intensive applications. | ||
| Intel HD Boost | Includes the full SSE4 instruction set, significantly improving a broad range of multimedia and compute-intensive applications. The 128-bit SSE instructions are issued at a throughput rate of one per clock cycle allowing a new level of processing efficiency with SSE4-optimized applications. | ||
| Digital Thermal Sensor (DTS) | Provides for more efficient processor and platform thermal control improving system acoustics. The DTS continuously measures the temperature at each processing core. The ability to continuously measure and detect variations in processor temperature enables system fans to spin only as fast as needed to cool the system. The combination of these technologies can result in significantly lower noise emissions from the PC. | ||
| Intel Wide Dynamic Execution | Improves execution speed and efficiency, delivering more instructions per clock cycle. Each core can complete up to four full instructions simultaneously. | ||
| Intel Smart Memory Access | Improves system performance by optimizing the use of the available data bandwidth from the memory subsystem and reducing the effective latency of memory accesses. | ||
Price Range : $989.99 - $ 1,195.70
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