i9-11900KF vs Xeon Gold 6256
Aggregate performance score
Core i9-11900KF outperforms Xeon Gold 6256 by a small 7% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 520 | 469 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 6.78 | 11.84 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | no data | Rocket Lake (2021) |
| Release date | 1 January 2020 (5 years ago) | 16 March 2021 (4 years ago) |
Detailed specifications
Xeon Gold 6256 and Core i9-11900KF basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3.6 GHz | 3.5 GHz |
| Boost clock speed | 4.5 GHz | 5.2 GHz |
| Bus rate | no data | 8 GT/s |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 256K (per core) |
| L3 cache | 33 MB | 16 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | 64 °C | 100 °C |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | - | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon Gold 6256 and Core i9-11900KF compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | no data | 1 |
| Socket | FCLGA3647 | FCLGA1200 |
| Power consumption (TDP) | 205 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6256 and Core i9-11900KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | - | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon Gold 6256 and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | no data | + |
| Identity Protection | - | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6256 and Core i9-11900KF are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6256 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4-3200 |
| Maximum memory size | 1 TB | 128 GB |
| Max memory channels | 6 | 2 |
| Maximum memory bandwidth | no data | 50 GB/s |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon Gold 6256 and Core i9-11900KF.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 48 | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 14.52 | 15.47 |
| Recency | 1 January 2020 | 16 March 2021 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Power consumption (TDP) | 205 Watt | 125 Watt |
Xeon Gold 6256 has 50% more physical cores and 50% more threads.
i9-11900KF, on the other hand, has a 6.5% higher aggregate performance score, an age advantage of 1 year, and 64% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Xeon Gold 6256 and Intel Core i9-11900KF.
Be aware that Xeon Gold 6256 is a server/workstation processor while Core i9-11900KF is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
