Intel Core i7-6950X Extreme Edition vs Intel Core i7-5820K: comparison
Comparison of Intel Core i7-6950X Extreme Edition and Intel Core i7-5820K: key differences and a full specification table.
Key differences
Intel Core i7-6950X Extreme Edition has more cores (10 vs 6), more threads (20 vs 12), a finer process node (14 nm vs 22 nm) and a higher maximum memory size (128 GB vs 64 GB).
At the same time, Intel Core i7-5820K has a higher base clock (3.3 GHz vs 3 GHz) and a higher maximum clock (3.6 GHz vs 3.5 GHz).
Both processors match on: TDP (140 W), memory channels (4), PCIe version (3).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Core i7-6950X Extreme Edition | Intel Core i7-5820K |
|---|---|---|
| Cores / threads | 10 / 20 | 6 / 12 |
| Max boost clock | 3.5 GHz | 3.6 GHz |
| L3 cache | — | 15 MB |
| TDP | 140 W | 140 W |
| Process | 14 nm | 22 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Core i7-6950X Extreme Edition | Intel Core i7-5820K |
|---|---|---|
| General | ||
| Model | i7-6950X | i7-5820K |
| Codename | Broadwell E | Haswell E |
| Segment | Desktop | Desktop |
| Product line | Процессоры Intel Core серии X | Процессоры Intel Core серии X |
| Process | 14 nm | 22 nm |
| Launch date | Q2 2016 | Q3 2014 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Lifetime | End of Servicing Lifetime |
| End of servicing updates | 06/30/2021 | 06/30/2021 |
| Embedded options available | No | No |
| Box contents | Please note: The boxed product does not include a fan or heat sink | Please note: The boxed product does not include a fan or heat sink |
| CPU | ||
| Cores | 10 | 6 |
| Threads | 20 | 12 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3 GHz | 3.3 GHz |
| Max boost clock | 3.5 GHz | 3.6 GHz |
| Turbo Boost Max 3.0 frequency | 4 GHz | — |
| Turbo Boost 2.0 frequency | — | 3.6 GHz |
| L3 cache | — | 15 MB |
| Cache (level unspecified) | 25 MB | — |
| Bus speed | — | 0 GT/s |
| TDP | 140 W | 140 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | — | SSE4.2, AVX2 |
| Memory | ||
| Max memory size | 128 GB | 64 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 4 | 4 |
| Max memory bandwidth | — | 68 GB/s |
| ECC memory supported | No | No |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 40 | 28 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA2011-3 | FCLGA2011-3 |
| Max CPU configuration | 1 | 1 |
| Package size | — | 52.5mm x 45.0mm |
| TCASE | 67.3 °C | 66.8 °C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | — | Yes |
| Identity Protection Technology | — | Yes |
| Turbo Boost Max 3.0 | Yes | — |
| Smart Response Technology | Yes | Yes |
Other comparisons
- Intel Core i7-6950X Extreme Edition vs Intel Core i7-6900K
- Intel Core i7-6950X Extreme Edition vs Intel Core i7-6850K
- Intel Core i7-6950X Extreme Edition vs Intel Core i7-6800K
- Intel Core i7-5820K vs Intel Core i7-5930K
- Intel Core i7-5820K vs Intel Core i7-5960X Extreme Edition
- Intel Core i7-5820K vs Intel Core i7-4820K