| Attribute |
Intel Core i7-4820K × | 
Intel Xeon E5-1620 v2 × |
| General Information | | |
| Brand | Intel | Intel |
| Series | Intel Core i7 Extreme Edition | Intel Xeon E5 |
| Model | Intel Core i7-4820K | Intel Xeon E5-1620 v2 |
| CPU Cores and Base Frequency | | |
| CPU Cores | 4 | 4 |
| Frequency (GHz) | 3.7 | 3.7 |
| CPU Threads | 8 | 8 |
| Core architecture | normal | normal |
| Hyperthreading | + | + |
| Overclocking | + | - |
| Turbo (1 Core) (GHz) | 3.9 | 3.9 |
| Turbo (4 Cores) (GHz) | 3.8 | 3.9 |
| Encryption | | |
| AES-NI | + | + |
| Hardware codec support | | |
| JPEG | No | No |
| h264 | No | No |
| h265 / HEVC (8 bit) | No | No |
| h265 / HEVC (10 bit) | No | No |
| VP8 | No | No |
| AV1 | No | No |
| VC-1 | No | No |
| VP9 | No | No |
| AVC | No | No |
| Memory And PCIe | | |
| Memory type | DDR3-1866 | DDR3-1866 |
| PCIe lanes | 40 | 40 |
| PCIe version | 3.0 | 3.0 |
| ECC | - | + |
| Memory channels | 4 | 4 |
| Technical details | | |
| Release date (year) | 2013 | 2013 |
| Technology (Nm) | 22 | 22 |
| Socket | LGA 2011 | LGA 2011 |
| Virtualization | | |
| L3-Cache (MB) | 10 | 10 |
| Architecture | Ivy Bridge E | Ivy Bridge EP |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | | |
| TDP (PL1) (W) | 130 | 130 |
| Benchmarks | | |
| Estimated results for PassMark CPU Mark | 10,355 | 9,500 |
| Geekbench 5, 64bit (Single-Core) | 825 | 776 |
| Geekbench 5, 64bit (Multi-Core) | 3,392 | 3,246 |
| Cinebench R15 (Single-Core) | 141 | 153 |
| Cinebench R15 (Multi-Core) | 728 | 730 |
| Cinebench R20 (Single-Core) | - | 284 |
| Cinebench R20 (Multi-Core) | - | 1,449 |
| Cinebench R11.5, 64bit (Single-Core) | 1.75 | 1.76 |
| Cinebench R11.5, 64bit (Multi-Core) | 8.75 | 8.06 |
| Geekbench 3, 64bit (Single-Core) | 3,813 | 3,640 |
| Geekbench 3, 64bit (Multi-Core) | 15,097 | 13,946 |