  |  |  |  | |
| User rating |
| Processor socket | Socket SP3 | Socket SP3 | LGA 2011 | LGA 3647 |
|---|---|---|---|---|
| Component for | Server/Workstation | Server/Workstation | Server/Workstation | Server/Workstation |
| Operating modes | 64-bit | 64-bit | 64-bit | 64-bit |
| Clock speed | 2.0 GHz | 2.2 GHz | 2.0 GHz | 2.5 GHz |
|---|---|---|---|---|
| Max turbo speed | 3.0 GHz | 3.2 GHz | 2.9 GHz | 3.8 GHz |
| Number of cores | 32 | 32 | 16 | 28 |
| Number of threads | 64 | 64 | 32 | 56 |
| Thermal Design Power (TDP) | 180.0 W | 180.0 W | 135.0 W | 205.0 W |
| Processor lithography | N/A | N/A | 0.0 in | 0.0 in |
| Bus type | N/A | N/A | QPI | UPI |
| Idle states | N/A | N/A | yes | N/A |
| Cache | 64 MB | 64 MB | 40 MB | 38.5 MB |
|---|---|---|---|---|
| Cache type | L3 | L3 | L3 | L3 |
| Memory clock speeds supported by processor | 2666.0 MHz | 2666.0 MHz | N/A | 2666.0 MHz |
| Memory channels | Octa | Octa | Quad | Hexa |
| Maximum internal memory supported by processor | N/A | N/A | 768.0 GB | 768.0 GB |
| Memory types supported by processor | N/A | N/A | DDR4 SDRAM | DDR4 SDRAM |
| Memory bandwidth supported by processor (max) | N/A | N/A | 68.0 GB/s | N/A |
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