EPYC 9745 vs Xeon D-1531
Primary details
Comparing Xeon D-1531 and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1259 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.69 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon D | no data |
| Power efficiency | 12.92 | no data |
| Architecture codename | Broadwell (2015−2019) | Turin (2024) |
| Release date | 1 November 2015 (9 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $348 | $12,141 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1531 and EPYC 9745 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 | 6 (Hexa-Core) | 128 |
| Threads | 12 | 256 |
| Base clock speed | 2.2 GHz | 2.4 GHz |
| Boost clock speed | 2.7 GHz | 3.7 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 22 | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 1.5 MB (per core) | 256 MB (shared) |
| Chip lithography | 14 nm | 3 nm |
| Die size | 246.24 mm2 | no data |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-1531 and EPYC 9745 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 (Uniprocessor) | 2 |
| Socket | FCBGA1667 | SP5 |
| Power consumption (TDP) | 45 Watt | 400 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1531 and EPYC 9745. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Xeon D-1531 and EPYC 9745 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1531 and EPYC 9745 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 D-1531 and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.124 GB/s | no data |
| ECC memory support | + | - |
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 D-1531 and EPYC 9745.
| PCIe version | 2.0/3.0 | 5.0 |
| PCI Express lanes | 24 | 128 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | no data |
Pros & cons summary
| Recency | 1 November 2015 | 10 October 2024 |
| Physical cores | 6 | 128 |
| Threads | 12 | 256 |
| Chip lithography | 14 nm | 3 nm |
| Power consumption (TDP) | 45 Watt | 400 Watt |
Xeon D-1531 has 788.9% lower power consumption.
EPYC 9745, on the other hand, has an age advantage of 8 years, 2033.3% more physical cores and 2033.3% more threads, and a 366.7% more advanced lithography process.
We couldn't decide between Xeon D-1531 and EPYC 9745. We've got no test results to judge.
Should you still have questions on choice between Xeon D-1531 and EPYC 9745, ask them in Comments section, and we shall answer.
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