| Attribute |
Intel Core i7-7820X × | 
Intel Core i7-5930K × |
| General Information | | |
| Brand | Intel | Intel |
| Series | Intel Core i7 | Intel Core i7 Extreme Edition |
| Model | Intel Core i7-7820X | Intel Core i7-5930K |
| CPU Cores and Base Frequency | | |
| CPU Cores | 8 | 6 |
| Frequency (GHz) | 3.6 | 3.5 |
| CPU Threads | 16 | 12 |
| Core architecture | normal | normal |
| Hyperthreading | + | + |
| Overclocking | + | + |
| Turbo (1 Core) (GHz) | 4.5 | 3.7 |
| Turbo (6 Cores) (GHz) | - | 3.6 |
| Turbo (8 Cores) (GHz) | 4.3 | - |
| 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 | DDR4-2666 | DDR4-2133 |
| PCIe lanes | 28 | 40 |
| PCIe version | 3.0 | 3.0 |
| ECC | - | - |
| Memory channels | 4 | 4 |
| Technical details | | |
| Release date (year) | 2017 | 2014 |
| Technology (Nm) | 14 | 22 |
| Socket | LGA 2066 | LGA 2011-3 |
| Virtualization | | |
| L3-Cache (MB) | 11 | 15 |
| Architecture | Skylake-X | Haswell-E |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | | |
| TDP (PL1) (W) | 140 | 140 |
| Benchmarks | | |
| Estimated results for PassMark CPU Mark | 18,634 | 13,637 |
| Geekbench 5, 64bit (Single-Core) | 1,151 | 984 |
| Geekbench 5, 64bit (Multi-Core) | 8,916 | 5,788 |
| Cinebench R15 (Single-Core) | 197 | 142 |
| Cinebench R15 (Multi-Core) | 1,887 | 1,149 |
| Cinebench R20 (Single-Core) | 498 | 409 |
| Cinebench R20 (Multi-Core) | 5,155 | 3,052 |
| Cinebench R11.5, 64bit (Single-Core) | 2.3 | 1.78 |
| Cinebench R11.5, 64bit (Multi-Core) | 20.73 | 11.7 |
| Geekbench 3, 64bit (Single-Core) | 5,103 | 3,844 |
| Geekbench 3, 64bit (Multi-Core) | 35,487 | 24,408 |
| Blender 2.81 (bmw27) | 212 | 313.2 |