Atom x7405C vs EPYC Embedded 9254
Primary details
Comparing EPYC Embedded 9254 and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Architecture codename | Genoa (2022−2023) | Amston Lake (2024) |
| Release date | 14 March 2023 (1 year ago) | 8 April 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $57 |
Detailed specifications
EPYC Embedded 9254 and Atom x7405C 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 | 24 (Tetracosa-Core) | 4 (Quad-Core) |
| Threads | 48 | 4 |
| Base clock speed | 2.9 GHz | 1.7 GHz |
| Boost clock speed | 4.15 GHz | 3.4 GHz |
| L1 cache | 64 KB (per core) | 96 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (shared) |
| L3 cache | 128 MB (shared) | 6 MB (shared) |
| Chip lithography | 5 nm | 10 nm |
| Die size | 4x 72 mm2 | no data |
| Number of transistors | 26,280 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC Embedded 9254 and Atom x7405C 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 | 2 | 1 |
| Socket | SP5 | Intel BGA 1264 |
| Power consumption (TDP) | 200 Watt | 12 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 9254 and Atom x7405C. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC Embedded 9254 and Atom x7405C are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 9254 and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR4, DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 9254 and Atom x7405C.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 128 | 9 |
Pros & cons summary
| Recency | 14 March 2023 | 8 April 2024 |
| Physical cores | 24 | 4 |
| Threads | 48 | 4 |
| Chip lithography | 5 nm | 10 nm |
| Power consumption (TDP) | 200 Watt | 12 Watt |
EPYC Embedded 9254 has 500% more physical cores and 1100% more threads, and a 100% more advanced lithography process.
Atom x7405C, on the other hand, has an age advantage of 1 year, and 1566.7% lower power consumption.
We couldn't decide between EPYC Embedded 9254 and Atom x7405C. We've got no test results to judge.
Be aware that EPYC Embedded 9254 is a server/workstation processor while Atom x7405C is a notebook one.
Should you still have questions on choice between EPYC Embedded 9254 and Atom x7405C, ask them in Comments section, and we shall answer.
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