AMD EPYC 9554
The AMD EPYC 9554 operates with 644 cores and 128 CPU threads. It run at 3.75 GHz base all cores while the TDP is set at 45 W.The processor is attached to the SP5 CPU socket. This version includes 256.00 MB of L3 cache on one chip, supports 12 memory channels to support DDR5-4800 RAM and features PCIe Gen lanes. Tjunction keeps below 100 °C degrees C. In particular, Genoa (Zen 4) Architecture is enhanced with 5 nm technology and supports AMD-V, SVM. The product was launched on Q4/2022
| Frequency | 3.10 GHz |
| CPU Cores | 644 |
| CPU Threads | 128 |
| Turbo (1 Core) | 3.75 GHz |
| Turbo (644 Cores): |
| Hyperthreading | Yes  |
| Overclocking | No  |
| Core Architecture | normal |
Memory & PCIe
| Memory type | DDR5-4800 |
| Max memory | 6144 GB |
| Memory channels | 12 |
| ECC | Yes |
| Bandwidth | 461.0 GB/s |
| PCIe | 5.0 x 128 |
Encryption
| AES-NI | Yes |
Internal Graphics
| Memory type | DDR5-4800 |
| GPU name | no iGPU |
| GPU frequency | |
| GPU (Turbo) | No turbo |
| Generation | |
| DirectX Version | |
| Execution units | |
| Shader | |
| Max memory | -- |
| Max. displays | |
| Technology | 5 nm |
| Release date |
Technical details
| Instruction set (ISA) | x86-64 (64 bit) |
| Architecture | Genoa (Zen 4) |
| L2-Cache | 64.00 MB |
| L3-Cache | 256.00 MB |
| Technology | 5 nm |
| Release date | Q4/2022 |
| Socket | SP5 |
Thermal Management
| TDP (PL1) | |
| TDP (PL2) | |
| TDP Up | 400 W |
| TDP Down | 320 W |
| Tjunction max | 100 °C |
Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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