HiSilicon Kirin 928 vs AMD EPYC 7451

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CPU comparison with benchmarks


HiSilicon Kirin 928 CPU1 vs CPU2 AMD EPYC 7451
HiSilicon Kirin 928 AMD EPYC 7451

CPU comparison

HiSilicon Kirin 928 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 HiSilicon Kirin 928 has 8 cores with 8 threads and clocks with a maximum frequency of 2.00 GHz. Up to GB of memory is supported in 2 memory channels. The HiSilicon Kirin 928 was released in Q3/2014.

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.
HiSilicon Kirin (29) Family AMD EPYC (111)
HiSilicon Kirin 920 (3) CPU group AMD EPYC 7001 (12)
2 Generation 1
Cortex-A15 / Cortex-A7 Architecture Naples (Zen)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The HiSilicon Kirin 928 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the HiSilicon Kirin 928 is 2.00 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).

HiSilicon Kirin 928 Characteristic AMD EPYC 7451
8 Cores 24
8 Threads 48
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.00 GHz
4x Cortex-A15
A-Core 2.30 GHz (3.20 GHz)
1.30 GHz
4x Cortex-A7
B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

HiSilicon Kirin 928 Characteristic AMD EPYC 7451
-- AI hardware --
-- AI specifications --

Internal Graphics

The HiSilicon Kirin 928 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.

ARM Mali-T628 MP4 GPU no iGPU
0.60 GHz GPU frequency --
0.60 GHz GPU (Turbo) --
Midgard 2 GPU Generation --
32nm Technology
1 Max. displays
4 Compute units --
64 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
11 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.

ARM Mali-T628 MP4 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The HiSilicon Kirin 928 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. 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.

HiSilicon Kirin 928 Characteristic AMD EPYC 7451
LPDDR3-1600 Memory DDR4-2666
Max. Memory
2 (Dual Channel) Memory channels 8 (Octa Channel)
-- Max. Bandwidth 170.6 GB/s
No ECC Yes
-- L2 Cache --
-- L3 Cache 64.00 MB
-- PCIe version 3.0
-- PCIe lanes 128
-- PCIe Bandwidth 126.1 GB/s

Thermal Management

The thermal design power (TDP for short) of the HiSilicon Kirin 928 is --, 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.

HiSilicon Kirin 928 Characteristic AMD EPYC 7451
-- TDP (PL1 / PBP) 180 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The HiSilicon Kirin 928 is manufactured in 28 nm and has 0.00 MB cache. The AMD EPYC 7451 is manufactured in 14 nm and has a 64.00 MB cache.

HiSilicon Kirin 928 Characteristic AMD EPYC 7451
28 nm Technology 14 nm
Chiplet Chip design Chiplet
Armv7-A (32 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
-- Socket SP3
None Virtualization AMD-V, SVM
No AES-NI Yes
Android Operating systems Windows 10, Linux
Q3/2014 Release date Q3/2017
-- 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:


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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
14671 (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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
6768 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
HiSilicon Kirin 928 HiSilicon Kirin 928
ARM Mali-T628 MP4 @ 0.60 GHz
77 (100%)
AMD EPYC 7451 AMD EPYC 7451
@ 0.00 GHz
0 (0%)

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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
20479 (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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
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.
HiSilicon Kirin 928 HiSilicon Kirin 928
8C 8T @ 2.00 GHz
0 (0%)
AMD EPYC 7451 AMD EPYC 7451
24C 48T @ 2.90 GHz
3277 (100%)

Devices using this processor

HiSilicon Kirin 928 AMD EPYC 7451
Unknown Unknown

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