Share link|

Submit benchmark

Comparison Search Benchmarks CPUs Leaderboards CPU News & Articles GPU comparison Apple product comparison

Deutsch English Español Français Italiano Japanese

Intel Core i5-8400 vs Intel Core i5-8400H

Last updated: 2023-09-08

CPU comparison with benchmarks


Intel Core i5-8400		Intel Core i5-8400H
CPU comparison Intel Core i5-8400 or Intel Core i5-8400H - 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 Intel Core i5-8400H has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-8400H was released in Q2/2018.

Intel Core i5 (336)	Family	Intel Core i5 (336)
Intel Core i 8000 (20)	CPU group	Intel Core i 8000H (6)
8	Generation	8
Coffee Lake S	Architecture	Coffee Lake H
Desktop	Segment	Notebook
Intel Core i5-7400	Predecessor	--
Intel Core i5-9400	Successor	Intel Core i5-9400H

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 Intel Core i5-8400H has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i5-8400H is at 2.50 GHz (4.20 GHz).
Intel Core i5-8400	Characteristic	Intel Core i5-8400H
6	Cores	4
6	Threads	8
normal	Core architecture	normal
No	Hyperthreading	Yes
No	Overclocking ?	No
2.80 GHz	Frequency	2.50 GHz
4.00 GHz	Turbo Frequency (1 Core)	4.20 GHz
3.80 GHz	Turbo Frequency (All Cores)	3.70 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.
Intel Core i5-8400	Characteristic	Intel Core i5-8400H
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The Intel Core i5-8400 or Intel Core i5-8400H 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	Intel HD Graphics 630
0.35 GHz	GPU frequency	0.30 GHz
1.15 GHz	GPU (Turbo)	1.10 GHz
9.5	GPU Generation	9.5
14 nm	Technology	14 nm
3	Max. displays	3
24	Compute units	24
192	Shader	192
No	Hardware Raytracing	No
No	Frame Generation	No
64 GB	Max. GPU Memory	64 GB
12	DirectX Version	12

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	Intel HD Graphics 630
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode / Encode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode / Encode	Codec VP9	Decode / Encode
Decode / Encode	Codec VP8	Decode / Encode
No	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

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 Intel Core i5-8400H supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 42.7 GB/s.
Intel Core i5-8400	Characteristic	Intel Core i5-8400H
DDR4-2666	Memory	DDR4-2666
128 GB	Max. Memory	64 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
42.7 GB/s	Max. Bandwidth	42.7 GB/s
No	ECC	No
--	L2 Cache	--
9.00 MB	L3 Cache	8.00 MB
3.0	PCIe version	3.0
16	PCIe lanes	16
15.8 GB/s	PCIe Bandwidth	15.8 GB/s
Thermal Management The thermal design power (TDP for short) of the Intel Core i5-8400 is 65 W, while the Intel Core i5-8400H has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i5-8400	Characteristic	Intel Core i5-8400H
65 W	TDP (PL1 / PBP)	45 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	--
Technical details The Intel Core i5-8400 is manufactured in 14 nm and has 9.00 MB cache. The Intel Core i5-8400H is manufactured in 14 nm and has a 8.00 MB cache.

Intel Core i5-8400	Characteristic	Intel Core i5-8400H
14 nm	Technology	14 nm
Monolithic	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4.1, SSE4.2, AVX2
LGA 1151-2	Socket	BGA 1440
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Windows 11, Linux
Q4/2017	Release date	Q2/2018
260 $	Release price	--

show more data		show more data

Intel Core i5-8400 6C 6T @ 2.80 GHz (4.00 GHz) buy now on Amazon and save! Intel Core i5-8400H 4C 8T @ 2.50 GHz (4.20 GHz) buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

Intel Core i5-8400 (96%)

Intel Core i5-8400H (99%)

⌀ Multi core performance in 4 CPU benchmarks

Intel Core i5-8400 (100%)

Intel Core i5-8400H (83%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	Intel Core i5-8400 6C 6T @ 4.00 GHz	1322 (100%)
	Intel Core i5-8400H 4C 8T @ 4.20 GHz	1296 (98%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	4814 (100%)
	Intel Core i5-8400H 4C 8T @ 3.70 GHz	3826 (79%)

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 (97%)
	Intel Core i5-8400H 4C 8T @ 4.20 GHz	1081 (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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	4608 (100%)
	Intel Core i5-8400H 4C 8T @ 3.70 GHz	3534 (77%)

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%)
	Intel Core i5-8400H Intel HD Graphics 630 @ 1.10 GHz	422 (96%)

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%)
	Intel Core i5-8400H 4C 8T @ 3.70 GHz	7902 (85%)

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 (92%)
	Intel Core i5-8400H 4C 8T @ 4.20 GHz	178 (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.


	Intel Core i5-8400 6C 6T @ 3.80 GHz	925 (100%)
	Intel Core i5-8400H 4C 8T @ 3.70 GHz	819 (89%)

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%)
	Intel Core i5-8400H 4C 8T @ 4.20 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%)
	Intel Core i5-8400H 4C 8T @ 4.20 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%)
	Intel Core i5-8400H 4C 8T @ 4.20 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%)
	Intel Core i5-8400H 4C 8T @ 3.70 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%)
	Intel Core i5-8400H 4C 8T @ 3.70 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%)
	Intel Core i5-8400H 4C 8T @ 3.70 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 @ 4.00 GHz	450 (100%)
	Intel Core i5-8400H 4C 8T @ 4.20 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%)
	Intel Core i5-8400H 4C 8T @ 2.50 GHz	0 (0%)

Devices using this processor
Intel Core i5-8400	Intel Core i5-8400H
Unknown	Unknown

Popular comparisons containing this CPUs


1.		Intel Core i5-8400 vs Intel Core i7-7700
2.		AMD Ryzen 5 2600 vs Intel Core i5-8400
3.		Intel Core i5-8400 vs Intel Core i7-8700
4.		AMD Ryzen 5 2400G vs Intel Core i5-8400
5.		Intel Core i3-8100 vs Intel Core i5-8400
6.		Intel Core i5-8400 vs Intel Core i5-7400
7.		Intel Core i5-8400 vs Intel Core i7-4790
8.		Intel Core i5-8400 vs Intel Core i5-9400
9.		Intel Core i5-8400 vs Intel Core i7-6700
10.		Intel Core i5-8400 vs AMD Ryzen 5 1600