EPYC Embedded 3451 vs EPYC 9455P
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 23 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 11.73 | no data |
| Market segment | Server | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 9.40 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Turin (2024) | Zen (2017−2020) |
| Release date | 10 October 2024 (1 year ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | $4,819 | $880 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
EPYC 9455P and EPYC Embedded 3451 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 | 48 (Octatetraconta-Core) | 16 (Hexadeca-Core) |
| Threads | 96 | 32 |
| Base clock speed | 3.15 GHz | 2.15 GHz |
| Boost clock speed | 4.4 GHz | 3 GHz |
| Multiplier | no data | 21.5 |
| L1 cache | 80 KB (per core) | 96K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 256 MB (shared) | 32 MB (shared) |
| Chip lithography | 4 nm | 14 nm |
| Die size | 8x 70.6 mm2 | 2x 213 mm2 |
| Number of transistors | 66,520 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on EPYC 9455P and EPYC Embedded 3451 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 | SP5 | AMD BGA SP4r2 |
| Power consumption (TDP) | 300 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9455P and EPYC Embedded 3451. 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 EPYC 9455P and EPYC Embedded 3451 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9455P and EPYC Embedded 3451. 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 | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by EPYC 9455P and EPYC Embedded 3451.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 128 | 64 |
Pros & cons summary
| Recency | 10 October 2024 | 21 February 2018 |
| Physical cores | 48 | 16 |
| Threads | 96 | 32 |
| Chip lithography | 4 nm | 14 nm |
| Power consumption (TDP) | 300 Watt | 100 Watt |
EPYC 9455P has an age advantage of 6 years, 200% more physical cores and 200% more threads, and a 250% more advanced lithography process.
EPYC Embedded 3451, on the other hand, has 200% lower power consumption.
We couldn't decide between AMD EPYC 9455P and AMD EPYC Embedded 3451. We've got no test results to judge.
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