EPYC 9555 vs A4-4355M
Primary details
Comparing A4-4355M and EPYC 9555 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2883 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD A-Series | no data |
| Power efficiency | 2.82 | no data |
| Architecture codename | Trinity (2012−2013) | Turin (2024) |
| Release date | 27 September 2012 (12 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $9,826 |
Detailed specifications
A4-4355M and EPYC 9555 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 | 2 | 128 |
| Base clock speed | 1.9 GHz | 3.2 GHz |
| Boost clock speed | 2.4 GHz | 4.4 GHz |
| L1 cache | 96 KB | 80 KB (per core) |
| L2 cache | 1 MB (shared) | 1 MB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 246 mm2 | 8x 70.6 mm2 |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1,303 million | 66,520 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on A4-4355M and EPYC 9555 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 | FP2 | SP5 |
| Power consumption (TDP) | 17 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-4355M and EPYC 9555. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-4355M and EPYC 9555 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4355M and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7400G (327 - 424 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by A4-4355M and EPYC 9555.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 27 September 2012 | 10 October 2024 |
| Physical cores | 2 | 64 |
| Threads | 2 | 128 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 17 Watt | 360 Watt |
A4-4355M has 2017.6% lower power consumption.
EPYC 9555, on the other hand, has an age advantage of 12 years, 3100% more physical cores and 6300% more threads, and a 700% more advanced lithography process.
We couldn't decide between A4-4355M and EPYC 9555. We've got no test results to judge.
Be aware that A4-4355M is a notebook processor while EPYC 9555 is a server/workstation one.
Should you still have questions on choice between A4-4355M and EPYC 9555, ask them in Comments section, and we shall answer.
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