AMD EPYC Embedded 3451 vs AMD EPYC Embedded 3251
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CPU comparison with benchmarks
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| AMD EPYC Embedded 3451 | AMD EPYC Embedded 3251 | |
CPU comparisonAMD EPYC Embedded 3451 or AMD EPYC Embedded 3251 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD EPYC Embedded 3451 has 16 cores with 32 threads and clocks with a maximum frequency of 3.00 GHz. Up to 1024 GB of memory is supported in 4 memory channels. The AMD EPYC Embedded 3451 was released in Q1/2018. The AMD EPYC Embedded 3251 has 8 cores with 16 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD EPYC Embedded 3251 was released in Q1/2018. |
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| AMD EPYC (129) | Family | AMD EPYC (129) |
| AMD EPYC Embedded 3000 (7) | CPU group | AMD EPYC Embedded 3000 (7) |
| 1 | Generation | 1 |
| Snowy Owl (Zen) | Architecture | Snowy Owl (Zen) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC Embedded 3451 has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD EPYC Embedded 3451 is 2.14 GHz (3.00 GHz) while the AMD EPYC Embedded 3251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC Embedded 3251 is at 2.50 GHz (3.10 GHz). |
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| AMD EPYC Embedded 3451 | Characteristic | AMD EPYC Embedded 3251 |
| 16 | Cores | 8 |
| 32 | Threads | 16 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | Yes |
| 2.14 GHz | Frequency | 2.50 GHz |
| 3.00 GHz | Turbo Frequency (1 Core) | 3.10 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD EPYC Embedded 3451 can use up to 1024 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.3 GB/s. The AMD EPYC Embedded 3251 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s. |
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| AMD EPYC Embedded 3451 | Characteristic | AMD EPYC Embedded 3251 |
| DDR4-2666 | Memory | DDR4-2666 |
| 1024 GB | Max. Memory | |
| 4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
| 85.3 GB/s | Max. Bandwidth | 42.7 GB/s |
| Yes | ECC | Yes |
| 8.00 MB | L2 Cache | 4.00 MB |
| 32.00 MB | L3 Cache | 16.00 MB |
| 3.0 | PCIe version | 3.0 |
| 64 | PCIe lanes | 32 |
| 63.0 GB/s | PCIe Bandwidth | 31.5 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC Embedded 3451 is 100 W, while the AMD EPYC Embedded 3251 has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC Embedded 3451 | Characteristic | AMD EPYC Embedded 3251 |
| 100 W | TDP (PL1 / PBP) | 55 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 80 W | TDP down | -- |
| 105 °C | Tjunction max. | 105 °C |
Technical detailsThe AMD EPYC Embedded 3451 is manufactured in 14 nm and has 40.00 MB cache. The AMD EPYC Embedded 3251 is manufactured in 14 nm and has a 20.00 MB cache. |
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| AMD EPYC Embedded 3451 | Characteristic | AMD EPYC Embedded 3251 |
| 14 nm | Technology | 14 nm |
| Chiplet | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| SP4 | Socket | SP4r2 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2018 | Release date | Q1/2018 |
| -- | Release price | -- |
| show more data | show more data | |
16C 32T @ 2.14 GHz (3.00 GHz) buy now on Amazon and save!
8C 16T @ 2.50 GHz (3.10 GHz) buy now on Amazon and save!
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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AMD EPYC Embedded 3451
16C 32T @ 2.14 GHz |
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
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Devices using this processor |
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| AMD EPYC Embedded 3451 | AMD EPYC Embedded 3251 |
| Unknown | Unknown |
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