  |  |  | |
| User rating |
| Processor socket | LGA 775 | LGA 1155 | LGA 1156 |
|---|---|---|---|
| Operating modes | N/A | 64-bit | 64-bit |
| Component for | N/A | N/A | Server/Workstation |
| Clock speed | 3.0 GHz | 3.3 GHz | 2.53 GHz |
|---|---|---|---|
| Number of cores | 4 | 4 | 4 |
| Number of threads | 4 | 4 | 8 |
| Thermal Design Power (TDP) | 95.0 W | 95.0 W | 95.0 W |
| Processor lithography | 0.0 in | 0.0 in | 0.0 in |
| Bus type | FSB | DMI | DMI |
| Bus speed | 1333.0 MHz | N/A | N/A |
| Idle states | yes | yes | yes |
| Max turbo speed | N/A | 3.7 GHz | 2.93 GHz |
| Cache | 12 MB | 6 MB | 8 MB |
|---|---|---|---|
| Cache type | L2 | L3 | L3 |
| Maximum internal memory supported by processor | N/A | 32.0 GB | 32.0 GB |
| Memory bandwidth supported by processor (max) | N/A | 21.0 GB/s | 21.0 GB/s |
| Thermal monitoring technologies | yes | yes | no |
|---|---|---|---|
| Execute disable bit | yes | yes | yes |
| Maximum number of PCI Express lanes | N/A | 16 | 16 |
| Supported instruction sets | N/A | AVX | SSE4.2 |
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