  |  |  |  |  |
| Processor socket | FM1 | LGA 775 | LGA 775 | LGA 2011 | LGA 771 |
|---|---|---|---|---|---|
| Component for | PC | PC | N/A | Server/Workstation | Server/Workstation |
| Operating modes | 64-bit | 64-bit | 64-bit | 64-bit | 64-bit |
| Clock speed | 2.7 GHz | 3.0 GHz | 2.66 GHz | 2.2 GHz | 2.5 GHz |
|---|---|---|---|---|---|
| Number of cores | 2 | 2 | 4 | 6 | 4 |
| Thermal Design Power (TDP) | 65.0 W | 65.0 W | 95.0 W | 95.0 W | 50.0 W |
| Processor lithography | 0.0 in | 0.0 in | 0.0 in | 0.0 in | 0.0 in |
| Number of threads | N/A | 2 | 4 | 12 | 4 |
| Bus type | N/A | FSB | FSB | QPI | FSB |
| Bus speed | N/A | 1333.0 MHz | N/A | N/A | 1333.0 MHz |
| Idle states | N/A | yes | yes | yes | yes |
| Cache | 0.512 MB | 6 MB | 4 MB | 12 MB | 12 MB |
|---|---|---|---|---|---|
| Cache type | L2 | L2 | L2 | Smart Cache | L3 |
| Memory clock speeds supported by processor | N/A | N/A | N/A |
| N/A |
| Maximum internal memory supported by processor | N/A | N/A | N/A | 1500.0 GB | N/A |
| Memory types supported by processor | N/A | N/A | N/A | DDR3 SDRAM | N/A |
| Memory bandwidth supported by processor (max) | N/A | N/A | N/A | 34.1 GB/s | N/A |
| Memory channels | N/A | N/A | N/A | Quad | N/A |
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