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User rating |
Processor socket | LGA 1366 | LGA 1366 | LGA 1356 |
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Operating modes | 64-bit | 64-bit | 64-bit |
Component for | N/A | N/A | Server/Workstation |
Clock speed | 2.66 GHz | 3.06 GHz | 2.4 GHz |
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Max turbo speed | 2.93 GHz | 3.33 GHz | 3.2 GHz |
Number of cores | 4 | 4 | 10 |
Number of threads | 8 | 8 | 20 |
Thermal Design Power (TDP) | 130.0 W | 130.0 W | 95.0 W |
Processor lithography | 0.0 in | 0.0 in | 0.0 in |
Bus type | QPI | QPI | QPI |
Idle states | yes | yes | yes |
On-board graphics adapter | no | no | no |
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Cache | 8 MB | 8 MB | 25 MB |
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Cache type | L2 | L3 | Smart Cache |
Maximum internal memory supported by processor | 24.0 GB | 24.0 GB | 384.0 GB |
Memory bandwidth supported by processor (max) | 25.6 GB/s | 25.6 GB/s | 38.4 GB/s |
Memory clock speeds supported by processor | N/A | N/A |
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Memory types supported by processor | N/A | N/A | DDR3 SDRAM |
Memory channels | N/A | N/A | Triple |
Thermal specification | 154.22 °F | 154.22 °F | 176.0 °F |
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Thermal monitoring technologies | no | no | yes |
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Supported instruction sets | SSE4.2 | SSE4.2 | AVX |
Execute disable bit | yes | yes | yes |
Maximum number of PCI Express lanes | N/A | N/A | 24 |
Scalability | N/A | N/A | 2S |
VID voltage range | 0.8 - 1.375 | 0.8 - 1.375 | 0.65 - 1.3 |
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