| General |
|---|
| Model | E7-4820 |
| Codename | Westmere EX |
| Segment | Server |
| Product line | Семейство процессоров Intel Xeon E7 |
| Process | 32 nm |
| Launch date | Q2 2011 |
| Status | Discontinued |
| Expected discontinuance | Q3 2015 |
| Servicing status | End of Servicing Lifetime |
| End of servicing updates | 06/30/2020 |
| Embedded options available | No |
| CPU |
|---|
| Cores | 8 |
| Threads | 16 |
| Multithreading (SMT/HT) | Yes |
| Base clock | 2 GHz |
| Max boost clock | 2.27 GHz |
| L3 cache | 18 MB |
| Bus speed | 5.86 GT/s |
| TDP | 105 W |
| Turbo Boost | Yes (1) |
| 64-bit support | Yes |
| Instruction set width | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2 |
| Memory |
|---|
| Max memory size | 2 TB |
| Memory types | DDR3 |
| Memory channels | 4 |
| ECC memory supported | Yes |
| I/O and interfaces |
|---|
| Scalability | S4S |
| Package and thermal |
|---|
| Sockets supported | LGA1567 |
| Max CPU configuration | 4 |
| Package size | 49.17mm x 56.47mm |
| TCASE | 64 °C |
| Security and virtualization |
|---|
| Virtualization (VT-x / AMD-V) | Yes |
| Virtualization for Directed I/O (VT-d) | Yes |
| Extended Page Tables (EPT) | Yes |
| AES-NI | Yes |
| Execute Disable Bit | Yes |
| Intel Trusted Execution Technology | Yes |
| Technologies |
|---|
| Enhanced SpeedStep | Yes |
| Thermal Monitoring Technologies | Yes |