AMD EPYC 7551 vs AMD Athlon II X4 631
Last updated:
CPU comparison with benchmarks
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| AMD EPYC 7551 | AMD Athlon II X4 631 | |
CPU comparisonAMD EPYC 7551 or AMD Athlon II X4 631 - 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 7551 has 32 cores with 64 threads and clocks with a maximum frequency of 3.00 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7551 was released in Q3/2017. The AMD Athlon II X4 631 has 4 cores with 4 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 631 was released in Q3/2011. |
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| AMD EPYC (129) | Family | AMD Athlon II (52) |
| AMD EPYC 7001 (12) | CPU group | AMD Athlon II X4 (Llano) (5) |
| 1 | Generation | 2 |
| Naples (Zen) | Architecture | Llano |
| Desktop / Server | Segment | Desktop / Server |
| -- | Predecessor | -- |
| AMD EPYC 7552 | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7551 has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7551 is 2.00 GHz (3.00 GHz) while the AMD Athlon II X4 631 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 631 is at 2.60 GHz. |
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| AMD EPYC 7551 | Characteristic | AMD Athlon II X4 631 |
| 32 | Cores | 4 |
| 64 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 2.60 GHz |
| 3.00 GHz | Turbo Frequency (1 Core) | -- |
| 2.55 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD EPYC 7551 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD Athlon II X4 631 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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| AMD EPYC 7551 | Characteristic | AMD Athlon II X4 631 |
| DDR4-2666 | Memory | DDR3-1333 |
| Max. Memory | 16 GB | |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 170.6 GB/s | Max. Bandwidth | 21.3 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 4.00 MB |
| 64.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 2.0 |
| 128 | PCIe lanes | -- |
| 126.1 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7551 is 180 W, while the AMD Athlon II X4 631 has a TDP of 100 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7551 | Characteristic | AMD Athlon II X4 631 |
| 180 W | TDP (PL1 / PBP) | 100 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7551 is manufactured in 14 nm and has 64.00 MB cache. The AMD Athlon II X4 631 is manufactured in 32 nm and has a 4.00 MB cache. |
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| AMD EPYC 7551 | Characteristic | AMD Athlon II X4 631 |
| 14 nm | Technology | 32 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| SP3 | Socket | FM1 |
| AMD-V, SVM | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q3/2017 | Release date | Q3/2011 |
| 3200 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 7551
32C 64T @ 3.00 GHz |
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AMD Athlon II X4 631
4C 4T @ 2.60 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 7551
32C 64T @ 2.55 GHz |
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AMD Athlon II X4 631
4C 4T @ 2.60 GHz |
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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 7551
32C 64T @ 2.55 GHz |
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AMD Athlon II X4 631
4C 4T @ 2.60 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 7551
32C 64T @ 3.00 GHz |
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AMD Athlon II X4 631
4C 4T @ 2.60 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 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 7551
32C 64T @ 2.55 GHz |
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AMD Athlon II X4 631
4C 4T @ 2.60 GHz |
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Devices using this processor |
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| AMD EPYC 7551 | AMD Athlon II X4 631 |
| Unknown | Unknown |
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