Xeon Gold 5403N vs i7-6900K
Primary details
Comparing Core i7-6900K and Xeon Gold 5403N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 829 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.03 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 6.16 | no data |
| Architecture codename | Broadwell-E (2016) | no data |
| Release date | 31 May 2016 (8 years ago) | 1 October 2023 (1 year ago) |
| Launch price (MSRP) | $1,020 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-6900K and Xeon Gold 5403N 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 | 8 (Octa-Core) | 12 (Dodeca-Core) |
| Threads | 16 | 24 |
| Base clock speed | 3.2 GHz | 2 GHz |
| Boost clock speed | 4 GHz | 3.9 GHz |
| L1 cache | 32 KB (per core) | no data |
| L2 cache | 256 KB (per core) | no data |
| L3 cache | 20 MB (shared) | 22.5 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Maximum core temperature | no data | 85 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-6900K and Xeon Gold 5403N 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 | 1 | no data |
| Socket | FCLGA2011 | FCLGA4677 |
| Power consumption (TDP) | 140 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6900K and Xeon Gold 5403N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX2, Intel® AVX-512, Intel® AVX |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | - | + |
| Idle States | + | no data |
| Smart Response | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Core i7-6900K and Xeon Gold 5403N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-6900K and Xeon Gold 5403N are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-6900K and Xeon Gold 5403N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-4000 |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 4 | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Core i7-6900K and Xeon Gold 5403N.
| PCIe version | 3.0 | 4 |
| PCI Express lanes | 40 | 48 |
Pros & cons summary
| Recency | 31 May 2016 | 1 October 2023 |
| Physical cores | 8 | 12 |
| Threads | 16 | 24 |
| Power consumption (TDP) | 140 Watt | 115 Watt |
Xeon Gold 5403N has an age advantage of 7 years, 50% more physical cores and 50% more threads, and 21.7% lower power consumption.
We couldn't decide between Core i7-6900K and Xeon Gold 5403N. We've got no test results to judge.
Note that Core i7-6900K is a desktop processor while Xeon Gold 5403N is a server/workstation one.
Should you still have questions on choice between Core i7-6900K and Xeon Gold 5403N, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
