EPYC 9256 vs Xeon Silver 4112
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1796 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.26 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon Silver | no data |
| Power efficiency | 1.82 | no data |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Skylake (server) (2017−2018) | Venice (2004−2026) |
| Release date | 11 July 2017 (9 years ago) | 23 July 2026 (less than a year ago) |
| Launch price (MSRP) | $473 | $2,501 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Xeon Silver 4112 and EPYC 9256: 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 | 4 (Quad-Core) | 24 (Tetracosa-Core) |
| Threads | 8 | 48 |
| Base clock speed | 2.6 GHz | 2.85 GHz |
| Boost clock speed | 3 GHz | 4.5 GHz |
| Multiplier | 26 | no data |
| L1 cache | 256 KB | 80 KB (per core) |
| L2 cache | 4 MB | 1 MB (per core) |
| L3 cache | 8.25 MB | 96 MB (shared) |
| Chip lithography | 14 nm | 2 nm |
| Die size | no data | 8x 76 mm2 |
| Maximum core temperature | 76 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon Silver 4112 and EPYC 9256 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 | 2 (Multiprocessor) | 2 |
| Socket | FCLGA3647 | SP8 |
| Power consumption (TDP) | 85 Watt | 190 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4112 and EPYC 9256. 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 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Turbo Boost Max 3.0 | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon Silver 4112 and EPYC 9256 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4112 and EPYC 9256 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4112 and EPYC 9256. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR5 |
| Maximum memory size | 768 GB | no data |
| Max memory channels | 6 | no data |
| Maximum memory bandwidth | 115.212 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 4112 and EPYC 9256.
| PCIe version | 3.0 | 6.0 |
| PCI Express lanes | 48 | 128 |
Pros & cons summary
| Recency | 11 July 2017 | 23 July 2026 |
| Physical cores | 4 | 24 |
| Threads | 8 | 48 |
| Chip lithography | 14 nm | 2 nm |
| Power consumption (TDP) | 85 Watt | 190 Watt |
Xeon Silver 4112 has 124% lower power consumption.
EPYC 9256, on the other hand, has an age advantage of 9 years, 500% more physical cores and 500% more threads, and a 600% more advanced lithography process.
We couldn't decide between Intel Xeon Silver 4112 and AMD EPYC 9256. We've got no test results to judge.
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