Memory | Memory channels | Quad-channel |
 | Maximum internal memory supported by processor | 64 GB |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 1066,1333,1600 MHz |
Other features | Intel® Virtualization Technology (Intel® VT) | Yes |
| L1 cache | 0.128 MB |
| Maximum internal memory | 64.23 GB |
| | 65768 MB |
Processor special features | Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® Smart Response Technology | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel® Turbo Boost Technology 2.0 frequency | 3.8 GHz |
| Intel Enhanced Halt State | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel 64 | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel Smart Response Technology version | 1.00 |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
Features | Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Market segment | Desktop |
| Maximum number of PCI Express lanes | 40 |
| PCI Express slots version | 2.0 |
| Supported instruction sets | SSE4.2,AVX |
| CPU configuration (max) | 1 |
| PCI Express CEM revision | 2.0 |
| Harmonized System (HS) code | 8542310001 |
| Export Control Classification Number (ECCN) | 5A992C |
| Commodity Classification Automated Tracking System (CCATS) | G077159 |
| Images Type Map | <div><img src="https://ark.intel.com/inc/images/diagrams/diagram-18.gif" title="Block Diagram" /></div> |
Technical details | Processor cache | 10240 KB |
| Product type | Processor |
| Supported memory types | DDR3-SDRAM |
| Bus bandwidth | 5 |
| Bus type units | GT/s |
| Launch date | Q1'12 |
| Status | Discontinued |
| Maximum memory | 64.23 GB |
| Processor brand name | Intel Core i7 X-series Intel Core i7 X-series processor |
| Last change | 63903513 |
| Product family | Intel High End Desktop Processors |
| Bus speed | 5 GT/s |
Operational conditions | Maximum operating temperature | 66.8 °C |
| Tcase | 66.8 °C |
Processor | Processor family | Intel® Core™ i7 X-series |
| Processor cores | 4 |
| Processor socket | LGA 2011 (Socket R) |
| Processor lithography | 32 nm |
| Processor manufacturer | Intel |
| Processor model | i7-3820 |
| Processor base frequency | 3.6 GHz |
| Processor operating modes | 64-bit |
| Processor generation | 3rd gen Intel® Core™ i7 |
| Component for | Notebook |
| Processor series | Intel Core i7-3800 Desktop Series |
| Processor threads | 8 |
| System bus rate | 5 GT/s |
| Processor boost frequency | 3.8 GHz |
| Processor cache | 10 MB |
| Processor cache type | Smart Cache |
| Thermal Design Power (TDP) | 130 W |
| VID Voltage Range | 0.6 - 1.35 V |
| Bus type | DMI2 |
| CPU multiplier (bus/core ratio) | 44 |
| Memory bandwidth supported by processor (max) | 51.2 GB/s |
| Processor ARK ID | 63698 |
| Generation | 3rd Generation |
Weight & dimensions | Processor package size | 52.5mm x 45mm mm |