EPYC 7551P vs Xeon 6517P
Aggregate performance score
Xeon 6517P outperforms EPYC 7551P by a significant 28% 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 | 214 | 310 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 24.25 | 3.44 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC |
| Power efficiency | 15.63 | 12.88 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Granite Rapids (2024−2025) | Naples (2017−2018) |
| Release date | 24 February 2025 (less than a year ago) | 29 June 2017 (8 years ago) |
| Launch price (MSRP) | $1,195 | $2,100 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 6517P has 605% better value for money than EPYC 7551P.
Performance to price scatter graph
Detailed specifications
Xeon 6517P and EPYC 7551P 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) | 32 (Dotriaconta-Core) |
| Threads | 32 | 64 |
| Base clock speed | 3.2 GHz | 2 GHz |
| Boost clock speed | 4.2 GHz | 3 GHz |
| Multiplier | no data | 20 |
| L1 cache | 112 KB (per core) | 96K (per core) |
| L2 cache | 2 MB (per core) | 512K (per core) |
| L3 cache | 72 MB (shared) | 64 MB (shared) |
| Chip lithography | Intel 3 nm | 14 nm |
| Die size | no data | 192 mm2 |
| Maximum case temperature (TCase) | 79 °C | no data |
| Number of transistors | no data | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon 6517P and EPYC 7551P 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 | 1 (Uniprocessor) |
| Socket | FCLGA4710 | TR4 |
| Power consumption (TDP) | 190 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6517P and EPYC 7551P. 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 | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Deep Learning Boost | + | - |
Security technologies
Xeon 6517P and EPYC 7551P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6517P and EPYC 7551P 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 6517P and EPYC 7551P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR4 Eight-channel |
| Maximum memory size | 4 TB | 2 TiB |
| Max memory channels | 8 | 8 |
| Maximum memory bandwidth | no data | 170.671 GB/s |
| ECC memory support | + | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon 6517P and EPYC 7551P.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 88 | 128 |
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 | 27.69 | 21.62 |
| Recency | 24 February 2025 | 29 June 2017 |
| Physical cores | 16 | 32 |
| Threads | 32 | 64 |
| Power consumption (TDP) | 190 Watt | 180 Watt |
Xeon 6517P has a 28.1% higher aggregate performance score, and an age advantage of 7 years.
EPYC 7551P, on the other hand, has 100% more physical cores and 100% more threads, and 5.6% lower power consumption.
The Intel Xeon 6517P is our recommended choice as it beats the AMD EPYC 7551P in performance tests.
Other comparisons
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