EPYC 9645 vs Xeon Phi 7250F
Primary details
Comparing Xeon Phi 7250F and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | Knights Landing (2016) | Turin (2024) |
| Release date | 20 June 2016 (8 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $11,048 |
Detailed specifications
Xeon Phi 7250F and EPYC 9645 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 | 68 (Octahexaconta-Core) | 96 |
| Threads | 272 | 192 |
| Base clock speed | 1.4 GHz | 2.3 GHz |
| Boost clock speed | 1.6 GHz | 3.7 GHz |
| L1 cache | 32 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 0 KB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Number of transistors | 8,000 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon Phi 7250F and EPYC 9645 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 | 3647 | SP5 |
| Power consumption (TDP) | 230 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Phi 7250F and EPYC 9645. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon Phi 7250F and EPYC 9645 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Phi 7250F and EPYC 9645 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Phi 7250F and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
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 Phi 7250F and EPYC 9645.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 20 June 2016 | 10 October 2024 |
| Physical cores | 68 | 96 |
| Threads | 272 | 192 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 230 Watt | 320 Watt |
Xeon Phi 7250F has 41.7% more threads, and 39.1% lower power consumption.
EPYC 9645, on the other hand, has an age advantage of 8 years, 41.2% more physical cores, and a 366.7% more advanced lithography process.
We couldn't decide between Xeon Phi 7250F and EPYC 9645. We've got no test results to judge.
Should you still have questions on choice between Xeon Phi 7250F and EPYC 9645, ask them in Comments section, and we shall answer.
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