Xeon 6774P vs i7-6900K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 956 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.05 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 6.21 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Broadwell-E (2016) | no data |
| Release date | 31 May 2016 (9 years ago) | 1 April 2025 (less than a year ago) |
| Launch price (MSRP) | $1,020 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Core i7-6900K and Xeon 6774P 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) | 64 (Tetrahexaconta-Core) |
| Threads | 16 | 128 |
| Base clock speed | 3.2 GHz | 2.5 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) | 336 MB |
| Chip lithography | 14 nm | no data |
| Maximum core temperature | no data | 81 °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 6774P 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 | FCLGA4710 |
| Power consumption (TDP) | 140 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-6900K and Xeon 6774P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| 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 6774P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-6900K and Xeon 6774P 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 6774P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5(6400MT/s)MRDIMM(8000MT/s) |
| 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 6774P.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 40 | 136 |
Pros & cons summary
| Recency | 31 May 2016 | 1 April 2025 |
| Physical cores | 8 | 64 |
| Threads | 16 | 128 |
| Power consumption (TDP) | 140 Watt | 350 Watt |
i7-6900K has 150% lower power consumption.
Xeon 6774P, on the other hand, has an age advantage of 8 years, and 700% more physical cores and 700% more threads.
We couldn't decide between Intel Core i7-6900K and Intel Xeon 6774P. We've got no test results to judge.
Note that Core i7-6900K is a desktop processor while Xeon 6774P is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
