Intel Core i5-8400 vs AMD EPYC 9754

Last updated: 2024-04-12

CPU comparison with benchmarks


Intel Core i5-8400		AMD EPYC 9754
CPU comparison Intel Core i5-8400 or AMD EPYC 9754 - 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 Intel Core i5-8400 has 6 cores with 6 threads and clocks with a maximum frequency of 4.00 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-8400 was released in Q4/2017. The AMD EPYC 9754 has 128 cores with 256 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9754 was released in Q2/2023.

Intel Core i5 (331)	Family	AMD EPYC (129)
Intel Core i 8000 (20)	CPU group	AMD EPYC 8004/9004 (15)
8	Generation	4
Coffee Lake S	Architecture	Bergamo/Siena (Zen 4c)
Desktop / Server	Segment	Desktop / Server
Intel Core i5-7400	Predecessor	--
Intel Core i5-9400	Successor	--

CPU Cores and Base Frequency The Intel Core i5-8400 has 6 CPU cores and can calculate 6 threads in parallel. The clock frequency of the Intel Core i5-8400 is 2.80 GHz (4.00 GHz) while the AMD EPYC 9754 has 128 CPU cores and 256 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9754 is at 2.25 GHz (3.10 GHz).
Intel Core i5-8400	Characteristic	AMD EPYC 9754
6	Cores	128
6	Threads	256
normal	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	No
2.80 GHz	Frequency	2.25 GHz
4.00 GHz	Turbo Frequency (1 Core)	3.10 GHz
3.80 GHz	Turbo Frequency (All Cores)	3.10 GHz

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.
Intel Core i5-8400	Characteristic	AMD EPYC 9754
--	AI hardware	--
--	AI specifications	--

Internal Graphics The Intel Core i5-8400 or AMD EPYC 9754 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.
Intel UHD Graphics 630	GPU	no iGPU
0.35 GHz	GPU frequency	--
1.15 GHz	GPU (Turbo)	--
9.5	GPU Generation	--
14 nm	Technology
3	Max. displays
24	Compute units	--
192	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
64 GB	Max. GPU Memory	--
12	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.
Intel UHD Graphics 630	GPU	no iGPU
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	No
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The Intel Core i5-8400 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD EPYC 9754 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 460.8 GB/s.
Intel Core i5-8400	Characteristic	AMD EPYC 9754
DDR4-2666	Memory	DDR5-4800
128 GB	Max. Memory	6144 GB
2 (Dual Channel)	Memory channels	12
42.7 GB/s	Max. Bandwidth	460.8 GB/s
No	ECC	Yes
--	L2 Cache	--
9.00 MB	L3 Cache	256.00 MB
3.0	PCIe version	5.0
16	PCIe lanes	128
15.8 GB/s	PCIe Bandwidth	504.1 GB/s
Thermal Management The thermal design power (TDP for short) of the Intel Core i5-8400 is 65 W, while the AMD EPYC 9754 has a TDP of 360 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i5-8400	Characteristic	AMD EPYC 9754
65 W	TDP (PL1 / PBP)	360 W
--	TDP (PL2)	--
--	TDP up	400 W
--	TDP down	320 W
--	Tjunction max.	100 °C
Technical details The Intel Core i5-8400 is manufactured in 14 nm and has 9.00 MB cache. The AMD EPYC 9754 is manufactured in 5 nm and has a 256.00 MB cache.
Intel Core i5-8400	Characteristic	AMD EPYC 9754
14 nm	Technology	5 nm
Monolithic	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
LGA 1151-2	Socket	SP5
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows Server 2022, Linux, Windows 11
Q4/2017	Release date	Q2/2023
260 $	Release price	11900 $

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Intel Core i5-8400 6C 6T @ 2.80 GHz (4.00 GHz) buy now on Amazon and save! AMD EPYC 9754 128C 256T @ 2.25 GHz (3.10 GHz) buy now on Amazon and save!

Rate these processors

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	62 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	283 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	1053 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	4608 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	1322 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	4814 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	411 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	2291 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 Intel UHD Graphics 630 @ 1.15 GHz	442 (100%)
	AMD EPYC 9754 @ 0.00 GHz	0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	79 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	9259 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	400.9 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	450 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i5-8400 6C 6T @ 2.80 GHz	2482 (100%)
	AMD EPYC 9754 128C 256T @ 2.25 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	163 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	925 (100%)
	AMD EPYC 9754 128C 256T @ 3.10 GHz	0 (0%)

Devices using this processor
Intel Core i5-8400	AMD EPYC 9754
Unknown	Unknown

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