i5-9400H vs A8-6600K

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Aggregate performance score

A8-6600K
2013
4 cores / 4 threads, 100 Watt
1.89
Core i5-9400H
2019
4 cores / 8 threads, 45 Watt
5.00
+165%

Core i5-9400H outperforms A8-6600K by a whopping 165% based on our aggregate benchmark results.

Primary details

Comparing A8-6600K and Core i5-9400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19831229
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.31no data
Market segmentDesktop processorLaptop
SeriesAMD A-Series (Desktop)Intel Core i5
Power efficiency1.7910.52
Architecture codenameRichland (2013−2014)Coffee Lake-H (2018−2019)
Release date1 June 2013 (11 years ago)23 April 2019 (5 years ago)
Launch price (MSRP)$142no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-6600K and Core i5-9400H 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)
Threads48
Base clock speed3.9 GHz2.5 GHz
Boost clock speed4.2 GHz4.3 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data25
L1 cache192 KB256 KB
L2 cache4096 KB1 MB
L3 cache0 KB8 MB
Chip lithography32 nm14 nm
Die size246 mm2126 mm2
Maximum core temperature74 °C100 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on A8-6600K and Core i5-9400H 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 (Uniprocessor)
SocketFM2FCBGA1440
Power consumption (TDP)100 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-6600K and Core i5-9400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMAFMA4-
AVXAVX+
PowerNow+-
PowerGating+-
VirusProtect+-
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
My WiFino data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+

Security technologies

A8-6600K and Core i5-9400H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-6600K and Core i5-9400H are enumerated here.

AMD-V++
VT-dno data+
VT-xno data+
EPTno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-6600K and Core i5-9400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR4
Maximum memory sizeno data128 GB
Max memory channels22
Maximum memory bandwidthno data44.882 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 8570DIntel UHD Graphics 630
จำนวนพาธไลน์256no data
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Enduro+-
Switchable graphics+-
UVD+-
VCE+-
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of A8-6600K and Core i5-9400H integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort++
HDMI++
DVIno data+

Graphics image quality

Maximum display resolutions supported by A8-6600K and Core i5-9400H integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by A8-6600K and Core i5-9400H integrated GPUs, sometimes API versions are included.

DirectXDirectX® 1112
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by A8-6600K and Core i5-9400H.

PCIe version2.03.0
PCI Express lanesno data16

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.

A8-6600K 1.89
i5-9400H 5.00
+165%

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.

A8-6600K 2998
i5-9400H 7947
+165%

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.

A8-6600K 447
i5-9400H 1373
+207%

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.

A8-6600K 1070
i5-9400H 4204
+293%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

A8-6600K 3
i5-9400H 9
+177%

Gaming performance

Pros & cons summary


Performance score 1.89 5.00
Integrated graphics card 1.13 3.09
Recency 1 June 2013 23 April 2019
Threads 4 8
Chip lithography 32 nm 14 nm
Power consumption (TDP) 100 Watt 45 Watt

i5-9400H has a 164.6% higher aggregate performance score, 173.5% faster integrated GPU, an age advantage of 5 years, 100% more threads, a 128.6% more advanced lithography process, and 122.2% lower power consumption.

The Core i5-9400H is our recommended choice as it beats the A8-6600K in performance tests.

Note that A8-6600K is a desktop processor while Core i5-9400H is a notebook one.


Should you still have questions on choice between A8-6600K and Core i5-9400H, ask them in Comments section, and we shall answer.

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AMD A8-6600K
A8-6600K
Intel Core i5-9400H
Core i5-9400H

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Community ratings

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Questions & comments

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