EPYC 7663P 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 |
| Power efficiency | 8.14 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Raphael (2023−2025) | Milan (2021−2023) |
| Release date | 16 September 2025 (recently) | 5 September 2023 (2 years ago) |
| Launch price (MSRP) | no data | $3,139 |
Detailed specifications
Ryzen 5 7400 and EPYC 7663P 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) | 56 (Hexapentaconta-Core) |
| Threads | 12 | 112 |
| Base clock speed | 3.3 GHz | 2 GHz |
| Boost clock speed | 4.3 GHz | 3.5 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 16 MB (shared) | 256 MB (shared) |
| Chip lithography | 5 nm | 7 nm |
| Die size | 71 mm2 | 8x 81 mm2 |
| Maximum case temperature (TCase) | 61 °C | no data |
| Number of transistors | 6,570 million | 33,200 million |
| 64 bit support | + | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 5 7400 and EPYC 7663P 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 |
| Socket | AM5 | SP3 |
| Power consumption (TDP) | 65 Watt | 240 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 7400 and EPYC 7663P. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 7400 and EPYC 7663P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 7400 and EPYC 7663P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 7400 and EPYC 7663P.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 128 |
Pros & cons summary
| Recency | 16 September 2025 | 5 September 2023 |
| Physical cores | 6 | 56 |
| Threads | 12 | 112 |
| Chip lithography | 5 nm | 7 nm |
| Power consumption (TDP) | 65 Watt | 240 Watt |
Ryzen 5 7400 has an age advantage of 2 years, a 40% more advanced lithography process, and 269.2% lower power consumption.
EPYC 7663P, on the other hand, has 833.3% more physical cores and 833.3% more threads.
We couldn't decide between AMD Ryzen 5 7400 and AMD EPYC 7663P. We've got no test results to judge.
Note that Ryzen 5 7400 is a desktop processor while EPYC 7663P is a server/workstation one.
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