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| Name | Intel® Pentium® 4 Processor 672 supporting HT Technology (2M Cache, 3.80 GHz, 800 MHz FSB) | Intel® Core™2 Quad Processor Q9550S (12M Cache, 2.83 GHz, 1333 MHz FSB) | Intel® Core™ i7-975 Processor Extreme Edition (8M Cache, 3.33 GHz, 6.40 GT/s Intel® QPI) |
| Status | Launched | Launched | Launched |
| Launch Date | | Q1'09 | Q2'09 |
| Processor Number | 672 | Q9550S | i7-975 |
| # of Cores | 1 | 4 | 4 |
| # of Threads | 2 | 4 | 8 |
| Processor Base Frequency | 3.8 GHz | 2.83 GHz | 3.33 GHz |
| Max Turbo Frequency | | | 3.6 GHz |
| Cache | 2 MB L2 Cache | 12 MB L2 Cache | 8 MB Intel® Smart Cache |
| Bus/Core Ratio | 19.0 | | 25 |
| Bus Type | FSB | FSB | QPI |
| System Bus | 800 MHz | 1333 MHz | 6.4 GT/s |
| # of QPI Links | | | 1 |
| FSB Parity | No | Yes | |
| Instruction Set | 64-bit | 64-bit | 64-bit |
| Instruction Set Extensions | | | SSE4.2 |
| Embedded | No | No | No |
| Supplemental SKU | No | No | No |
| Processing Die Lithography | 90 nm | 45 nm | 45 nm |
| Max TDP | 115 W | 65 W | 130 W |
| VID Voltage Range | 1.2V-1.4V | 0.8500V - 1.3625V | 0.800V-1.375V |
| 1ku Bulk Budgetary Price | | $320.00 | $999.00 |
| Memory Specifications |
Max Memory Size
(dependent on memory type) | | | 24 GB |
| Memory Types | | | DDR3-800/1066 |
| # of Memory Channels | | | 3 |
| Max Memory Bandwidth | | | 25.6 GB/s |
| Physical Address Extensions | | | 36-bit |
| ECC Memory Supported | | | No |
| Graphics Specifications |
| Expansion Options |
| I/O Specifications |
| Networking Specifications |
| Package Specifications |
| Max CPU Configuration | | | 1 |
| TCASE | 70.8°C | 71.4°C | |
| Package Size | 37.5mm x 37.5mm | 37.5mm x 37.5mm | 42.5mm x 45.0mm |
| Processing Die Lithography | 90 nm | 45 nm | 45 nm |
| Processing Die Size | 135 mm2 | 214 mm2 | 263 mm2 |
| # of Processing Die Transistors | 169 million | 820 million | 731 million |
| Sockets Supported | PLGA775 | LGA775 | FCLGA1366 |
| Halogen Free Options Available | No | Yes | Yes |
| Advanced Technologies |
| Intel® Turbo Boost Technology | No | No | Yes |
| Intel® Hyper-Threading Technology | Yes | No | Yes |
| Intel® Virtualization Technology (VT-x) | Yes | Yes | Yes |
| Intel® Trusted Execution Technology | No | Yes | No |
| AES New Instructions | | | No |
| Intel® 64 | Yes | Yes | Yes |
| Idle States | No | Yes | Yes |
| Enhanced Intel® Speedstep Technology | Yes | Yes | Yes |
| Intel® Demand Based Switching | No | No | No |
| Thermal Monitoring Technologies | Yes | | No |
| Execute Disable Bit | Yes | Yes | Yes |
