AMD EPYC 7401 | AMD EPYC 7451 | |
CPU comparisonAMD EPYC 7401 or AMD EPYC 7451 - 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 7401 has 24 cores with 48 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 7401 was released in Q3/2017. The AMD EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. |
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AMD EPYC (129) | Family | AMD EPYC (129) |
AMD EPYC 7001 (12) | CPU group | AMD EPYC 7001 (12) |
1 | Generation | 1 |
Naples (Zen) | Architecture | Naples (Zen) |
Server | Segment | Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7401 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7401 is 2.00 GHz (3.00 GHz) while the AMD EPYC 7451 has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7451 is at 2.30 GHz (3.20 GHz). |
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AMD EPYC 7401 | Characteristic | AMD EPYC 7451 |
24 | Cores | 24 |
48 | Threads | 48 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz | Frequency | 2.30 GHz |
3.00 GHz | Turbo Frequency (1 Core) | 3.20 GHz |
2.80 GHz | Turbo Frequency (All Cores) | 2.90 GHz |
Memory & PCIeThe AMD EPYC 7401 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD EPYC 7451 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 170.6 GB/s. |
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AMD EPYC 7401 | Characteristic | AMD EPYC 7451 |
DDR4-2400, DDR4-2666 | Memory | DDR4-2666 |
Max. Memory | ||
8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
170.6 GB/s | Max. Bandwidth | 170.6 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
64.00 MB | L3 Cache | 64.00 MB |
3.0 | PCIe version | 3.0 |
128 | PCIe lanes | 128 |
126.1 GB/s | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7401 is 170 W, while the AMD EPYC 7451 has a TDP of 180 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 7401 | Characteristic | AMD EPYC 7451 |
170 W | TDP (PL1 / PBP) | 180 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7401 is manufactured in 14 nm and has 64.00 MB cache. The AMD EPYC 7451 is manufactured in 14 nm and has a 64.00 MB cache. |
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AMD EPYC 7401 | Characteristic | AMD EPYC 7451 |
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 |
SP3 | Socket | SP3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2017 | Release date | Q3/2017 |
1450 $ | Release price | 2400 $ |
show more data | show more data | |
AMD EPYC 7401
24C 48T @ 3.00 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 GHz |
AMD EPYC 7401
24C 48T @ 2.80 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
AMD EPYC 7401
24C 48T @ 3.00 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 GHz |
AMD EPYC 7401
24C 48T @ 2.80 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
AMD EPYC 7401
24C 48T @ 3.00 GHz |
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AMD EPYC 7451
24C 48T @ 3.20 GHz |
AMD EPYC 7401
24C 48T @ 2.80 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
AMD EPYC 7401
24C 48T @ 2.80 GHz |
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AMD EPYC 7451
24C 48T @ 2.90 GHz |
Devices using this processor |
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AMD EPYC 7401 | AMD EPYC 7451 |
Unknown | Unknown |