EPYC Embedded 3351 vs Ryzen 5 7400
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 656 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 8.14 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Raphael (2023−2025) | Zen (2017−2020) |
| Release date | 16 September 2025 (recently) | 21 February 2018 (7 years ago) |
Detailed specifications
Ryzen 5 7400 and EPYC Embedded 3351 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 | 6 (Hexa-Core) | 12 (Dodeca-Core) |
| Threads | 12 | 24 |
| Base clock speed | 3.3 GHz | 1.9 GHz |
| Boost clock speed | 4.3 GHz | 3 GHz |
| Multiplier | no data | 19 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 16 MB (shared) | 32 MB (shared) |
| Chip lithography | 5 nm | 14 nm |
| Die size | 71 mm2 | 2x 213 mm2 |
| Maximum case temperature (TCase) | 61 °C | no data |
| Number of transistors | 6,570 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 5 7400 and EPYC Embedded 3351 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 | 1 (Uniprocessor) |
| Socket | AM5 | AMD BGA SP4r2 |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 7400 and EPYC Embedded 3351. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 7400 and EPYC Embedded 3351 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 7400 and EPYC Embedded 3351. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4-2666 |
| Maximum memory size | no data | 1 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 7400 and EPYC Embedded 3351.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 24 | 64 |
Pros & cons summary
| Recency | 16 September 2025 | 21 February 2018 |
| Physical cores | 6 | 12 |
| Threads | 12 | 24 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 80 Watt |
Ryzen 5 7400 has an age advantage of 7 years, a 180% more advanced lithography process, and 23.1% lower power consumption.
EPYC Embedded 3351, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between AMD Ryzen 5 7400 and AMD EPYC Embedded 3351. We've got no test results to judge.
Note that Ryzen 5 7400 is a desktop processor while EPYC Embedded 3351 is a server/workstation one.
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