Xeon D-2779 vs i9-12900KS
Primary details
Comparing Core i9-12900KS and Xeon D-2779 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 171 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 17.49 | no data |
| Architecture codename | Alder Lake-S (2022) | no data |
| Release date | 5 April 2022 (2 years ago) | 1 January 2022 (2 years ago) |
Detailed specifications
Core i9-12900KS and Xeon D-2779 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 | 16 (Hexadeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 3.4 GHz | 2.5 GHz |
| Boost clock speed | 5.3 GHz | 3.4 GHz |
| L1 cache | 80K (per core) | no data |
| L2 cache | 1.25 MB (per core) | no data |
| L3 cache | 30 MB (shared) | 25 MB |
| Chip lithography | Intel 7 nm | 10 nm |
| Die size | 215 mm2 | no data |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-12900KS and Xeon D-2779 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 | FCLGA1700 | FCBGA2579 |
| Power consumption (TDP) | 150 Watt | 126 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-12900KS and Xeon D-2779. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | - |
| 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 | + | no data |
| Deep Learning Boost | + | + |
Security technologies
Core i9-12900KS and Xeon D-2779 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-12900KS and Xeon D-2779 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-12900KS and Xeon D-2779. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800, DDR4-3200 | DDR4 |
| Maximum memory size | 128 GB | 1 TB |
| Max memory channels | 2 | 4 |
| Maximum memory bandwidth | 76.8 GB/s | no data |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 770 | no data |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.55 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i9-12900KS and Xeon D-2779 integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-12900KS and Xeon D-2779 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096 x 2160 @ 60Hz | no data |
| Max resolution over eDP | 5120 x 3200 @ 120Hz | no data |
| Max resolution over DisplayPort | 7680 x 4320 @ 60Hz | no data |
Graphics API support
APIs supported by Core i9-12900KS and Xeon D-2779 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-12900KS and Xeon D-2779.
| PCIe version | 5.0 and 4.0 | 4.0 |
| PCI Express lanes | 20 | 32 |
| USB revision | no data | 3.0 |
| Max number of SATA 6 Gb/s Ports | no data | 24 |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
Pros & cons summary
| Recency | 5 April 2022 | 1 January 2022 |
| Threads | 24 | 32 |
| Power consumption (TDP) | 150 Watt | 126 Watt |
i9-12900KS has an age advantage of 3 months.
Xeon D-2779, on the other hand, has 33.3% more threads, and 19% lower power consumption.
We couldn't decide between Core i9-12900KS and Xeon D-2779. We've got no test results to judge.
Note that Core i9-12900KS is a desktop processor while Xeon D-2779 is a server/workstation one.
Should you still have questions on choice between Core i9-12900KS and Xeon D-2779, ask them in Comments section, and we shall answer.
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