EPYC 9555 vs Xeon Silver 4514Y
Aggregate performance score
EPYC 9555 outperforms Xeon Silver 4514Y by a whopping 288% based on our aggregate benchmark results.
Primary details
Comparing Xeon Silver 4514Y and EPYC 9555 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 257 | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 72.54 | 3.05 |
| Market segment | Server | Server |
| Power efficiency | 13.62 | 21.99 |
| Architecture codename | Emerald Rapids (2023) | Turin (2024) |
| Release date | 14 December 2023 (1 year ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $780 | $9,826 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Silver 4514Y has 2278% better value for money than EPYC 9555.
Detailed specifications
Xeon Silver 4514Y and EPYC 9555 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) | 64 (Tetrahexaconta-Core) |
| Threads | 32 | 128 |
| Base clock speed | 2 GHz | 3.2 GHz |
| Boost clock speed | 3.4 GHz | 4.4 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 1 MB (per core) |
| L3 cache | 30 MB (shared) | 256 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | 2x 763 mm2 | 8x 70.6 mm2 |
| Maximum case temperature (TCase) | 79 °C | no data |
| Number of transistors | no data | 66,520 million |
| 64 bit support | + | + |
Compatibility
Information on Xeon Silver 4514Y and EPYC 9555 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 | 2 |
| Socket | FCLGA4677 | SP5 |
| Power consumption (TDP) | 150 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4514Y and EPYC 9555. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, 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 | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Silver 4514Y and EPYC 9555 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4514Y and EPYC 9555 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 4514Y and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4400 | DDR5 |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 4514Y and EPYC 9555.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 128 |
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.
Pros & cons summary
| Performance score | 21.46 | 83.17 |
| Recency | 14 December 2023 | 10 October 2024 |
| Physical cores | 16 | 64 |
| Threads | 32 | 128 |
| Power consumption (TDP) | 150 Watt | 360 Watt |
Xeon Silver 4514Y has 140% lower power consumption.
EPYC 9555, on the other hand, has a 287.6% higher aggregate performance score, an age advantage of 9 months, and 300% more physical cores and 300% more threads.
The EPYC 9555 is our recommended choice as it beats the Xeon Silver 4514Y in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
