Intel Core i7-8559U vs Core i5-8400H

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Combined performance score

i5-8400H
5.03

Core i7-8559U outperforms Core i5-8400H by 10% in our combined benchmark results.

General info

Comparing Core i5-8400H and Core i7-8559U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking11101047
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Core i7
Architecture codenameCoffee Lake-H (2018−2019)Coffee Lake-U (2018−2019)
Release date2 April 2018 (5 years old)5 April 2018 (5 years old)
Launch price (MSRP)$250$431
Current price$1171 (4.7x MSRP)$942 (2.2x MSRP)

Technical specs

Core i5-8400H and Core i7-8559U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed2.5 GHz2.7 GHz
Boost clock speed4.2 GHz4.5 GHz
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache12 MB (shared)8 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2123 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplierNoNo

Compatibility

Information on Core i5-8400H and Core i7-8559U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA1440FCBGA1528
Power consumption (TDP)45 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400H and Core i7-8559U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
eDRAMno data128 MB
Speed Shift++
My WiFi++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
StatusLaunchedDiscontinued

Security technologies

Core i5-8400H and Core i7-8559U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX++
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400H and Core i7-8559U are enumerated here.

AMD-V++
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400H and Core i7-8559U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth41.8 GB/s37.5 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel Iris Plus Graphics 655
Max video memory64 GB32 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.1 GHz1.2 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-8400H and Core i7-8559U integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++

Graphics image quality

Maximum display resolutions supported by Core i5-8400H and Core i7-8559U integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@30Hz4096 x 2304@30Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096 x 2304@60Hz
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-8400H and Core i7-8559U integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8400H and Core i7-8559U.

PCIe version3.03.0
PCI Express lanes1616

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-8400H 5.03
i7-8559U 5.51
+9.5%

Core i7-8559U outperforms Core i5-8400H by 10% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

i5-8400H 7729
i7-8559U 8459
+9.4%

Core i7-8559U outperforms Core i5-8400H by 9% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

i5-8400H 1276
i7-8559U 1337
+4.8%

Core i7-8559U outperforms Core i5-8400H by 5% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

i5-8400H 3588
i7-8559U 4135
+15.2%

Core i7-8559U outperforms Core i5-8400H by 15% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

i5-8400H 6659
i7-8559U 7249
+8.9%

Core i7-8559U outperforms Core i5-8400H by 9% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

i5-8400H 21711
i7-8559U 23215
+6.9%

Core i7-8559U outperforms Core i5-8400H by 7% in Cinebench 10 32-bit multi-core.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

i5-8400H 7.2
i7-8559U 6.54
+10.1%

Core i5-8400H outperforms Core i7-8559U by 10% in wPrime 32.

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Benchmark coverage: 15%

i5-8400H 762
i7-8559U 798
+4.8%

Core i7-8559U outperforms Core i5-8400H by 5% in Cinebench 15 64-bit multi-core.

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Benchmark coverage: 15%

i5-8400H 170
i7-8559U 188
+10.3%

Core i7-8559U outperforms Core i5-8400H by 10% in Cinebench 15 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

i5-8400H 4.6
i7-8559U 5
+8.7%

Core i7-8559U outperforms Core i5-8400H by 9% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

i5-8400H 5391
i7-8559U 6656
+23.5%

Core i7-8559U outperforms Core i5-8400H by 23% in WinRAR 4.0.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

i5-8400H 185
i7-8559U 191
+3.3%

Core i7-8559U outperforms Core i5-8400H by 3% in x264 encoding pass 1.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

i5-8400H 45
i7-8559U 46
+0.8%

Core i7-8559U outperforms Core i5-8400H by 1% in x264 encoding pass 2.

Gaming performance

Advantages and disadvantages


Performance score 5.03 5.51
Integrated graphics card 3.08 4.20
Cost $250 $431
Power consumption (TDP) 45 Watt 28 Watt

We couldn't decide between Core i5-8400H and Core i7-8559U. The differences in performance seem too small.


Should you still have questions on choice between Core i5-8400H and Core i7-8559U, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-8400H
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Intel Core i7-8559U
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