EPYC 9555 vs Atom x7425E
Aggregate performance score
EPYC 9555 outperforms Atom x7425E by a whopping 2319% based on our aggregate benchmark results.
Primary details
Comparing Atom x7425E and EPYC 9555 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1570 | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.05 |
| Market segment | Laptop | Server |
| Power efficiency | 27.32 | 22.02 |
| Architecture codename | Gracemont (2023) | Turin (2024) |
| Release date | 3 January 2023 (2 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $9,826 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom x7425E 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 | 4 (Quad-Core) | 64 (Tetrahexaconta-Core) |
| Threads | 4 | 128 |
| Base clock speed | 1.5 GHz | 3.2 GHz |
| Boost clock speed | 3.4 GHz | 4.4 GHz |
| L1 cache | 96K (per core) | 80 KB (per core) |
| L2 cache | 2 MB (shared) | 1 MB (per core) |
| L3 cache | 6 MB (shared) | 256 MB (shared) |
| Chip lithography | 10 nm | 4 nm |
| Die size | no data | 8x 70.6 mm2 |
| Number of transistors | no data | 66,520 million |
| 64 bit support | + | + |
Compatibility
Information on Atom x7425E 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 | Intel BGA 1744 | SP5 |
| Power consumption (TDP) | 12 Watt | 360 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x7425E and EPYC 9555. 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 | + |
Security technologies
Atom x7425E and EPYC 9555 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x7425E and EPYC 9555 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 Atom x7425E and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR5 4800 MHz Single-channel | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 24EU | N/A |
Peripherals
Specifications and connection of peripherals supported by Atom x7425E and EPYC 9555.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 9 | 128 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 3.44 | 83.20 |
| Recency | 3 January 2023 | 10 October 2024 |
| Physical cores | 4 | 64 |
| Threads | 4 | 128 |
| Chip lithography | 10 nm | 4 nm |
| Power consumption (TDP) | 12 Watt | 360 Watt |
Atom x7425E has 2900% lower power consumption.
EPYC 9555, on the other hand, has a 2318.6% higher aggregate performance score, an age advantage of 1 year, 1500% more physical cores and 3100% more threads, and a 150% more advanced lithography process.
The EPYC 9555 is our recommended choice as it beats the Atom x7425E in performance tests.
Be aware that Atom x7425E is a notebook processor while EPYC 9555 is a server/workstation one.
Should you still have questions on choice between Atom x7425E and EPYC 9555, ask them in Comments section, and we shall answer.
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