EPYC 7643P vs A8-4557M
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 58 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 16.52 |
| Market segment | Laptop | Server |
| Series | AMD A-Series | no data |
| Power efficiency | no data | 8.26 |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Trinity (2012−2013) | Milan (2021−2023) |
| Release date | 15 May 2012 (13 years ago) | 5 September 2023 (1 year ago) |
| Launch price (MSRP) | no data | $2,722 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
A8-4557M and EPYC 7643P 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 | 4 (Quad-Core) | 48 (Octatetraconta-Core) |
| Threads | 4 | 96 |
| Base clock speed | 1.9 GHz | 2.3 GHz |
| Boost clock speed | 2.8 GHz | 3.6 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 4 MB | 512 KB (per core) |
| L3 cache | no data | 256 MB (shared) |
| Chip lithography | 32 nm | 7 nm |
| Die size | 246 mm2 | 8x 81 mm2 |
| Number of transistors | 1303 Million | 33,200 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on A8-4557M and EPYC 7643P 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 | no data | 1 |
| Socket | BGA | SP3 |
| Power consumption (TDP) | 35 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-4557M and EPYC 7643P. 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 A8-4557M and EPYC 7643P are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-4557M and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7640G (497 - 655 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by A8-4557M and EPYC 7643P.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 15 May 2012 | 5 September 2023 |
| Physical cores | 4 | 48 |
| Threads | 4 | 96 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 225 Watt |
A8-4557M has 542.9% lower power consumption.
EPYC 7643P, on the other hand, has an age advantage of 11 years, 1100% more physical cores and 2300% more threads, and a 357.1% more advanced lithography process.
We couldn't decide between AMD A8-4557M and AMD EPYC 7643P. We've got no test results to judge.
Be aware that A8-4557M is a notebook processor while EPYC 7643P is a server/workstation one.
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