EPYC 9454 vs EPYC 7401P
Primary details
Comparing EPYC 7401P and EPYC 9454 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 299 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 32.23 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | AMD EPYC |
| Architecture codename | Naples (2017−2018) | Genoa |
| Release date | 29 June 2017 (7 years ago) | 10 November 2022 (1 year ago) |
| Launch price (MSRP) | $1,075 | $5,225 |
| Current price | $212 (0.2x MSRP) | $4473 (0.9x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7401P and EPYC 9454 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) | 48 (Octatetraconta-Core) |
| Threads | 48 | 96 |
| Base clock speed | 2 GHz | 2.75 GHz |
| Boost clock speed | 3 GHz | 3.8 GHz |
| L1 cache | 96K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 256 MB (shared) |
| Chip lithography | 14 nm | 5 nm, 6 nm |
| Die size | 192 mm2 | 8x 72 mm2 |
| Number of transistors | 4,800 million | 52,560 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | Yes | No |
Compatibility
Information on EPYC 7401P and EPYC 9454 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) | 2 |
| Socket | TR4 | SP5 |
| Power consumption (TDP) | 170 Watt | 290 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7401P and EPYC 9454. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7401P and EPYC 9454 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7401P and EPYC 9454. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR5-4800 |
| Maximum memory size | 2 TiB | 6 TiB |
| Max memory channels | 8 | no data |
| Maximum memory bandwidth | 170.671 GB/s | 460.8 GB/s |
| ECC memory support | + | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 7401P and EPYC 9454.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 128 | 128 |
Pros & cons summary
| Recency | 29 June 2017 | 10 November 2022 |
| Physical cores | 24 | 48 |
| Threads | 48 | 96 |
| Cost | $1075 | $5225 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 170 Watt | 290 Watt |
We couldn't decide between EPYC 7401P and EPYC 9454. We've got no test results to judge.
Should you still have questions on choice between EPYC 7401P and EPYC 9454, ask them in Comments section, and we shall answer.
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