  |  |  | |
| User rating |
| Processor socket | LGA 2011 | LGA 2066 | LGA 2066 |
|---|---|---|---|
| Component for | Server/Workstation | Server/Workstation | Server/Workstation |
| Operating modes | 64-bit | 64-bit | 64-bit |
| Clock speed | 3.2 GHz | 3.6 GHz | 3.6 GHz |
|---|---|---|---|
| Max turbo speed | 3.8 GHz | 3.9 GHz | 3.9 GHz |
| Number of cores | 6 | 4 | 6 |
| Number of threads | 12 | 8 | 12 |
| Thermal Design Power (TDP) | 130.0 W | 120.0 W | 140.0 W |
| Processor lithography | 0.0 in | 0.0 in | 0.0 in |
| Bus type | QPI | QPI | QPI |
| Idle states | yes | yes | yes |
| Cache | 12 MB | 8.25 MB | 8.25 MB |
|---|---|---|---|
| Cache type | Smart Cache | N/A | N/A |
| Memory clock speeds supported by processor |
|
|
|
| Maximum internal memory supported by processor | 375.0 GB | 512.0 GB | 512.0 GB |
| Memory types supported by processor | DDR3 SDRAM | DDR4 SDRAM | DDR4 SDRAM |
| Memory bandwidth supported by processor (max) | 51.2 GB/s | 85.3 GB/s | 85.3 GB/s |
| Memory channels | Quad | Quad | Quad |
| Thermal monitoring technologies | yes | yes | yes |
|---|---|---|---|
| Maximum number of PCI Express lanes | 40 | 48 | 48 |
| Supported instruction sets | AVX |
|
|
| Execute disable bit | yes | yes | yes |
| Scalability | N/A | 1S | 1S |
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