AMD EPYC Embedded 3251 vs AMD EPYC 7662
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CPU comparison with benchmarks
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| AMD EPYC Embedded 3251 | AMD EPYC 7662 | |
CPU comparisonAMD EPYC Embedded 3251 or AMD EPYC 7662 - 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 3251 has 8 cores with 16 threads and clocks with a maximum frequency of 3.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD EPYC Embedded 3251 was released in Q1/2018. The AMD EPYC 7662 has 64 cores with 128 threads and clocks with a maximum frequency of 3.30 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7662 was released in Q1/2020. |
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| AMD EPYC (129) | Family | AMD EPYC (129) |
| AMD EPYC Embedded 3000 (7) | CPU group | AMD EPYC 7002 (24) |
| 1 | Generation | 2 |
| Snowy Owl (Zen) | Architecture | Rome (Zen 2) |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | AMD EPYC 7763 |
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CPU Cores and Base FrequencyThe AMD EPYC Embedded 3251 has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD EPYC Embedded 3251 is 2.50 GHz (3.10 GHz) while the AMD EPYC 7662 has 64 CPU cores and 128 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7662 is at 2.00 GHz (3.30 GHz). |
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| AMD EPYC Embedded 3251 | Characteristic | AMD EPYC 7662 |
| 8 | Cores | 64 |
| 16 | Threads | 128 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 2.50 GHz | Frequency | 2.00 GHz |
| 3.10 GHz | Turbo Frequency (1 Core) | 3.30 GHz |
| -- | Turbo Frequency (All Cores) | 2.40 GHz |
Memory & PCIeThe AMD EPYC Embedded 3251 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD EPYC 7662 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 51.2 GB/s. |
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| AMD EPYC Embedded 3251 | Characteristic | AMD EPYC 7662 |
| DDR4-2666 | Memory | DDR4-3200 |
| Max. Memory | ||
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 42.7 GB/s | Max. Bandwidth | 51.2 GB/s |
| Yes | ECC | Yes |
| 4.00 MB | L2 Cache | -- |
| 16.00 MB | L3 Cache | 256.00 MB |
| 3.0 | PCIe version | 4.0 |
| 32 | PCIe lanes | 128 |
| 31.5 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC Embedded 3251 is 55 W, while the AMD EPYC 7662 has a TDP of 225 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC Embedded 3251 | Characteristic | AMD EPYC 7662 |
| 55 W | TDP (PL1 / PBP) | 225 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 105 °C | Tjunction max. | -- |
Technical detailsThe AMD EPYC Embedded 3251 is manufactured in 14 nm and has 20.00 MB cache. The AMD EPYC 7662 is manufactured in 7 nm and has a 256.00 MB cache. |
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| AMD EPYC Embedded 3251 | Characteristic | AMD EPYC 7662 |
| 14 nm | Technology | 7 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 |
| SP4r2 | Socket | SP3 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2018 | Release date | Q1/2020 |
| -- | Release price | -- |
| show more data | show more data | |
8C 16T @ 2.50 GHz (3.10 GHz) buy now on Amazon and save!
64C 128T @ 2.00 GHz (3.30 GHz) buy now on Amazon and save!
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Average performance in benchmarks
⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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 3251
8C 16T @ 2.50 GHz |
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AMD EPYC 7662
64C 128T @ 2.40 GHz |
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Geekbench 5, 64bit (Single-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
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AMD EPYC 7662
64C 128T @ 3.30 GHz |
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Geekbench 5, 64bit (Multi-Core)
Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
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AMD EPYC 7662
64C 128T @ 2.40 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
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AMD EPYC Embedded 3251
8C 16T @ 3.10 GHz |
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AMD EPYC 7662
64C 128T @ 3.30 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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AMD EPYC Embedded 3251
8C 16T @ 2.50 GHz |
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AMD EPYC 7662
64C 128T @ 2.40 GHz |
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Devices using this processor |
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| AMD EPYC Embedded 3251 | AMD EPYC 7662 |
| Unknown | Unknown |
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