Atom x7405C vs EPYC Embedded 3151
Primary details
Comparing EPYC Embedded 3151 and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | AMD EPYC Embedded | no data |
| Architecture codename | Zen (2017−2020) | Amston Lake (2024) |
| Release date | 21 February 2018 (6 years ago) | 8 April 2024 (less than a year ago) |
Detailed specifications
EPYC Embedded 3151 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 2.7 GHz | 1.7 GHz |
| Boost clock speed | 2.7 GHz | 3.4 GHz |
| Multiplier | 27 | no data |
| L1 cache | 384 KB | 96 KB (per core) |
| L2 cache | 2 MB | 2 MB (shared) |
| L3 cache | 16 MB (shared) | 6 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | 213 mm2 | no data |
| Number of transistors | 4800 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on EPYC Embedded 3151 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 | 1 (Uniprocessor) | 1 |
| Socket | AMD BGA SP4r2 | Intel BGA 1264 |
| Power consumption (TDP) | 45 Watt | 12 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 3151 and Atom x7405C. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC Embedded 3151 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 3151 and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR4, DDR5 |
| Maximum memory size | 512 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 3151 and Atom x7405C.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 32 | 9 |
Pros & cons summary
| Recency | 21 February 2018 | 8 April 2024 |
| Threads | 8 | 4 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 45 Watt | 12 Watt |
EPYC Embedded 3151 has 100% more threads.
Atom x7405C, on the other hand, has an age advantage of 6 years, a 40% more advanced lithography process, and 275% lower power consumption.
We couldn't decide between EPYC Embedded 3151 and Atom x7405C. We've got no test results to judge.
Be aware that EPYC Embedded 3151 is a server/workstation processor while Atom x7405C is a notebook one.
Should you still have questions on choice between EPYC Embedded 3151 and Atom x7405C, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
