| General information | |
| Type | CPU / Microprocessor |
| Market segment | Server |
| Family | Intel Xeon E5-2600 v2 |
| Model number | E5-2651 v2 |
| CPU part number | CM8063501521101 is an OEM/tray CPU |
| Spec code | SR19K |
| Frequency | 1800 MHz |
| Bus speed | 5 GT/s DMI |
| Clock multiplier | 18 |
| Package | 2011-land Flip-Chip Land Grid Array |
| Socket | Socket 2011 / LGA2011 |
| | |
| Architecture / Microarchitecture | |
| Microarchitecture | Ivy Bridge |
| Platform | Romley-EP |
| | Romley-WS |
| Processor core | Ivy Bridge-EP |
| Core stepping | C1 (SR19K) |
| Manufacturing process | 0.022 micron |
| Data width | 64 bit |
| The number of CPU cores | 12 |
| The number of threads | 24 |
| Floating Point Unit | Integrated |
| Level 1 cache size | 12 x 32 KB |
| Level 2 cache size | 12 x 256 KB 8-way set associative caches |
| Level 3 cache size | 30 MB 20-way set associative shared cache |
| Physical memory | 768 GB (per socket) |
| Multiprocessing | Up to 2 processors |
| | |
| Integrated peripherals / components | |
| Integrated graphics | None |
| Memory controller | The number of controllers: 1 |
| | Memory channels: 4 |
| | Supported memory: DDR3 |
| | DIMMs per channel: 3 |
| | ECC supported: Yes |
| Other peripherals | Direct Media Interface 2.0 |
| | Quick Path Interconnect (2 links) |
| | PCI Express 3.0 interface |
