Xeon Silver 4509Y vs EPYC 8434P
Aggregate performance score
EPYC 8434P outperforms Xeon Silver 4509Y by a whopping 255% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 85 | 792 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 14.35 | 14.72 |
| Market segment | Server | Server |
| Power efficiency | 7.99 | 3.60 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Siena (2023−2024) | Sapphire Rapids (2023−2024) |
| Release date | 18 September 2023 (1 year ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $2,700 | $563 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Silver 4509Y has 3% better value for money than EPYC 8434P.
Performance to price scatter graph
Detailed specifications
EPYC 8434P and Xeon Silver 4509Y 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 | 48 (Octatetraconta-Core) | 8 (Octa-Core) |
| Threads | 96 | 16 |
| Base clock speed | 2.5 GHz | 2.6 GHz |
| Boost clock speed | 3.1 GHz | 4.1 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 128 MB (shared) | 22.5 MB (shared) |
| Chip lithography | 5 nm | Intel 7 nm |
| Die size | 4x 73 mm2 | no data |
| Maximum case temperature (TCase) | 75 °C | 84 °C |
| Number of transistors | 35,500 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 8434P and Xeon Silver 4509Y 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 | 2 |
| Socket | SP6 | FCLGA4677 |
| Power consumption (TDP) | 200 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 8434P and Xeon Silver 4509Y. 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 | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
EPYC 8434P and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 8434P and Xeon Silver 4509Y 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 EPYC 8434P and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 @ 4400 MT/s (1 DPC &2DPC) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| 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 EPYC 8434P and Xeon Silver 4509Y.
| PCIe version | 5.0 | 5 |
| PCI Express lanes | 96 | 80 |
Synthetic benchmarks
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 37.84 | 10.67 |
| Recency | 18 September 2023 | 14 December 2023 |
| Physical cores | 48 | 8 |
| Threads | 96 | 16 |
| Power consumption (TDP) | 200 Watt | 125 Watt |
EPYC 8434P has a 254.6% higher aggregate performance score, and 500% more physical cores and 500% more threads.
Xeon Silver 4509Y, on the other hand, has an age advantage of 2 months, and 60% lower power consumption.
The AMD EPYC 8434P is our recommended choice as it beats the Intel Xeon Silver 4509Y in performance tests.
Other comparisons
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