AMD EPYC 7401 vs AMD EPYC 7451

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CPU comparison with benchmarks


AMD EPYC 7401 CPU1 vs CPU2 AMD EPYC 7451
AMD EPYC 7401 AMD EPYC 7451

CPU comparison

AMD 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.
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 --

CPU Cores and Base Frequency

The 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).

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

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD EPYC 7401 Characteristic AMD EPYC 7451
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD EPYC 7401 or AMD EPYC 7451 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The 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.

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 Management

The 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.

AMD EPYC 7401 Characteristic AMD EPYC 7451
170 W TDP (PL1 / PBP) 180 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The 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.

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


Rate these processors

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Here you can rate the AMD EPYC 7451 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

Average performance in benchmarks

Single core performance in 2 CPU benchmarks
AMD EPYC 7401 (95%)
AMD EPYC 7451 (100%)
Multi core performance in 2 CPU benchmarks
AMD EPYC 7401 (96%)
AMD EPYC 7451 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 3.00 GHz
844 (95%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
884 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
14101 (96%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
14671 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 3.00 GHz
132 (94%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
141 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
3156 (96%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
3277 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 3.00 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 3.20 GHz
317 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
6768 (100%)

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.
AMD EPYC 7401 AMD EPYC 7401
24C 48T @ 2.80 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
20479 (100%)

Devices using this processor

AMD EPYC 7401 AMD EPYC 7451
Unknown Unknown

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