| System bus rate | 7.2 GT/s |
| CPU multiplier (bus/core ratio) | 30 |
| Memory clock speeds supported by processor | 800,1066,1333 MHz |
| Tcase | 77.4 °C |
| VID Voltage Range | 0.60 - 1.35 V |
| Processor system type | DP |
| Intel Demand Based Switching | Y |
| Processor base frequency | 2.5 GHz |
| Intel® vPro™ Platform Eligibility | Y |
| Intel® Virtualization Technology (Intel® VT) | VT-d, VT-x |
| Harmonized System (HS) code | 85423119 |
| Market segment | Server |
| On-board graphics card | Y |
| Supported instruction sets | AVX |
| Component for | Server/workstation |
| ECC | Y |
| Memory channels | Quad-channel |
| Processor model | E5-2640 |
| Scalability | S2S |
| Stepping | C1 |
| Memory bandwidth supported by processor (max) | 42.6 GB/s |
| Processor family | Intel® Xeon® E5 Family |
| Processor boost frequency | 3 GHz |
| Processor cores | 6 |
| Processor threads | 12 |
| Processor cache | 15 MB |
| Bus type | QPI |
| PCI Express slots version | 3.0 |
| Processor cache type | L3 |
| Processor lithography | 32 nm |
| Processor operating modes | 64-bit |
| Processor package size | 52.5 mm |
| Processor socket | LGA 2011 (Socket R) |
| Maximum internal memory supported by processor | 750 GB |
| Thermal Design Power (TDP) | 95 W |
| Intel® Turbo Boost Technology | Y |
| Embedded options available | N |
| Enhanced Intel SpeedStep Technology | Y |
| Execute Disable Bit | Y |
| Idle States | Y |
| Intel Flex Memory Access | Y |
| Intel Trusted Execution Technology | Y |
| Intel Virtualization Technology (VT-x) | Y |
| Intel VT-x with Extended Page Tables (EPT) | Y |
| Intel® AES New Instructions (Intel® AES-NI) | Y |
| Number of QPI links | 2 |
| Thermal Monitoring Technologies | Y |
| Memory types supported by processor | DDR3-SDRAM |