EPYC 9455 vs A4 PRO-3340B
Primary details
Comparing A4 PRO-3340B and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2434 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 3.94 | no data |
| Architecture codename | Kabini (2013−2014) | Turin (2024) |
| Release date | 20 December 2014 (9 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $5,412 |
Detailed specifications
A4 PRO-3340B and EPYC 9455 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 | 2.2 GHz | 3.15 GHz |
| Boost clock speed | 2.2 GHz | 4.4 GHz |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 2048 KB | 1 MB (per core) |
| L3 cache | no data | 192 MB (shared) |
| Chip lithography | 28 nm | 4 nm |
| Die size | 107 mm2 | 6x 70.6 mm2 |
| Maximum case temperature (TCase) | 90 °C | no data |
| Number of transistors | no data | 49,890 million |
| 64 bit support | + | + |
Compatibility
Information on A4 PRO-3340B and EPYC 9455 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 | FT3 | SP5 |
| Power consumption (TDP) | 25 Watt | 300 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4 PRO-3340B and EPYC 9455. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | FMA4 | - |
| AVX | + | + |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
| RAID | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4 PRO-3340B and EPYC 9455 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4 PRO-3340B and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3/DDR3L-1600 | DDR5 |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon™ HD 8240 Graphics | N/A |
| iGPU core count | 2 | no data |
| Number of pipelines | 128 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A4 PRO-3340B and EPYC 9455 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A4 PRO-3340B and EPYC 9455 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A4 PRO-3340B and EPYC 9455.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 8 | 128 |
Pros & cons summary
| Recency | 20 December 2014 | 10 October 2024 |
| Physical cores | 4 | 48 |
| Threads | 4 | 96 |
| Chip lithography | 28 nm | 4 nm |
| Power consumption (TDP) | 25 Watt | 300 Watt |
A4 PRO-3340B has 1100% lower power consumption.
EPYC 9455, on the other hand, has an age advantage of 9 years, 1100% more physical cores and 2300% more threads, and a 600% more advanced lithography process.
We couldn't decide between A4 PRO-3340B and EPYC 9455. We've got no test results to judge.
Be aware that A4 PRO-3340B is a notebook processor while EPYC 9455 is a server/workstation one.
Should you still have questions on choice between A4 PRO-3340B and EPYC 9455, ask them in Comments section, and we shall answer.
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