Xeon Platinum 8458P vs 6517P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 195 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 6.31 | no data |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | no data | Sapphire Rapids (2023−2024) |
| Release date | 1 January 2025 (less than a year ago) | 10 January 2023 (2 years ago) |
| Launch price (MSRP) | no data | $6,759 |
Detailed specifications
Xeon 6517P and Xeon Platinum 8458P 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) | 44 |
| Threads | 32 | 88 |
| Base clock speed | 3.2 GHz | 2.7 GHz |
| Boost clock speed | 4.2 GHz | 3.8 GHz |
| L1 cache | no data | 80K (per core) |
| L2 cache | no data | 2 MB (per core) |
| L3 cache | 72 MB | 82.5 MB |
| Chip lithography | Intel 3 nm | Intel 7 nm |
| Die size | no data | 4x 477 mm2 |
| Maximum core temperature | 79 °C | no data |
| Maximum case temperature (TCase) | no data | 78 °C |
| 64 bit support | - | + |
Compatibility
Information on Xeon 6517P and Xeon Platinum 8458P 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 | no data | 2 |
| Socket | FCLGA4710 | FCLGA4677 |
| Power consumption (TDP) | 190 Watt | 350 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6517P and Xeon Platinum 8458P. 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 | 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 | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Deep Learning Boost | + | + |
Security technologies
Xeon 6517P and Xeon Platinum 8458P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | + | Yes with Intel® SPS |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 6517P and Xeon Platinum 8458P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 6517P and Xeon Platinum 8458P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s) | DDR5-4800, DDR5-4400 |
| Maximum memory size | 4 TB | 4 TB |
| Max memory channels | 8 | 8 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon 6517P and Xeon Platinum 8458P.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 88 | 80 |
Pros & cons summary
| Recency | 1 January 2025 | 10 January 2023 |
| Physical cores | 16 | 44 |
| Threads | 32 | 88 |
| Power consumption (TDP) | 190 Watt | 350 Watt |
Xeon 6517P has an age advantage of 1 year, and 84.2% lower power consumption.
Xeon Platinum 8458P, on the other hand, has 175% more physical cores and 175% more threads.
We couldn't decide between Intel Xeon 6517P and Intel Xeon Platinum 8458P. We've got no test results to judge.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
