EPYC 9555P vs Athlon PRO 300U
Primary details
Comparing Athlon PRO 300U and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1727 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Athlon | no data |
| Power efficiency | 16.22 | no data |
| Architecture codename | Raven Ridge 2 (2019) | Turin (2024) |
| Release date | 8 April 2019 (5 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $7,983 |
Detailed specifications
Athlon PRO 300U and EPYC 9555P 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 | 2 (Dual-core) | 64 (Tetrahexaconta-Core) |
| Threads | 4 | 128 |
| Base clock speed | 2.4 GHz | 3.2 GHz |
| Boost clock speed | 3.3 GHz | 4.4 GHz |
| Bus type | PCIe 3.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 192 KB | 80 KB (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 256 MB (shared) |
| Chip lithography | 12 nm | 4 nm |
| Die size | 209.78 mm2 | 8x 70.6 mm2 |
| Number of transistors | 4940 Million | 66,520 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Athlon PRO 300U and EPYC 9555P 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) | 1 |
| Socket | FP5 | SP5 |
| Power consumption (TDP) | 15 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon PRO 300U and EPYC 9555P. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon PRO 300U and EPYC 9555P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon PRO 300U and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 3 | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon PRO 300U and EPYC 9555P.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 12 | 128 |
Pros & cons summary
| Recency | 8 April 2019 | 10 October 2024 |
| Physical cores | 2 | 64 |
| Threads | 4 | 128 |
| Chip lithography | 12 nm | 4 nm |
| Power consumption (TDP) | 15 Watt | 360 Watt |
Athlon PRO 300U has 2300% lower power consumption.
EPYC 9555P, on the other hand, has an age advantage of 5 years, 3100% more physical cores and 3100% more threads, and a 200% more advanced lithography process.
We couldn't decide between Athlon PRO 300U and EPYC 9555P. We've got no test results to judge.
Be aware that Athlon PRO 300U is a notebook processor while EPYC 9555P is a server/workstation one.
Should you still have questions on choice between Athlon PRO 300U and EPYC 9555P, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
