i5-8600K vs i5-13400

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Aggregate performance score

Core i5-13400
2023
10 cores / 16 threads, 65 Watt
14.66
+128%
Core i5-8600K
2017
6 cores / 6 threads, 95 Watt
6.42

Core i5-13400 outperforms Core i5-8600K by a whopping 128% based on our aggregate benchmark results.

Primary details

Comparing Core i5-13400 and Core i5-8600K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4861063
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation46.984.04
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i5
Power efficiency21.346.40
Architecture codenameRaptor Lake-S (2023−2024)Coffee Lake-S (2017−2018)
Release date4 January 2023 (1 year ago)5 October 2017 (7 years ago)
Launch price (MSRP)$221$257

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-13400 has 1063% better value for money than i5-8600K.

Detailed specifications

Core i5-13400 and Core i5-8600K 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 cores10 (Deca-Core)6 (Hexa-Core)
Performance-cores6no data
Efficient-cores4no data
Threads166
Base clock speed2.5 GHz3.6 GHz
Boost clock speed4.6 GHz4.3 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data36
L1 cache80K (per core)64K (per core)
L2 cache1.25 MB (per core)256K (per core)
L3 cache20 MB (shared)9 MB (shared)
Chip lithographyIntel 7 nm14 nm
Die size257 mm2149 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i5-13400 and Core i5-8600K 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)
SocketFCLGA1700FCLGA1151
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-13400 and Core i5-8600K. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP-+
Turbo Boost Max 3.0-no data
Deep Learning Boost+-

Security technologies

Core i5-13400 and Core i5-8600K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-13400 and Core i5-8600K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-13400 and Core i5-8600K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR3, DDR4
Maximum memory size192 GB128 GB
Max memory channels22
Maximum memory bandwidth76.8 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 730Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.55 GHz1.15 GHz
Execution Units24no data
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i5-13400 and Core i5-8600K integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core i5-13400 and Core i5-8600K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096x2304@24Hz
Max resolution over eDP5120 x 3200 @ 120Hz4096x2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i5-13400 and Core i5-8600K integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-13400 and Core i5-8600K.

PCIe version5.0 and 4.03.0
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.

i5-13400 14.66
+128%
i5-8600K 6.42

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.

i5-13400 23289
+128%
i5-8600K 10197

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.

i5-13400 2298
+45.4%
i5-8600K 1580

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.

i5-13400 10205
+78.2%
i5-8600K 5726

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.

i5-13400 8721
+26.9%
i5-8600K 6875

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.

i5-13400 51095
+55.5%
i5-8600K 32863

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-13400 13632
+50.2%
i5-8600K 9078

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.

i5-13400 3.47
+64%
i5-8600K 5.69

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.

i5-13400 27
+154%
i5-8600K 11

Cinebench 15 64-bit multi-core

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

i5-13400 2358
+138%
i5-8600K 990

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.

i5-13400 257
+42%
i5-8600K 181

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i5-13400 3.1
+49.8%
i5-8600K 2.07

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.

i5-13400 11.8
+119%
i5-8600K 5.4

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.

i5-13400 7979
+74.1%
i5-8600K 4583

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.  

i5-13400 136
+114%
i5-8600K 63

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.  

i5-13400 311
+33.7%
i5-8600K 233

Gaming performance

Pros & cons summary


Performance score 14.66 6.42
Integrated graphics card 4.16 3.10
Recency 4 January 2023 5 October 2017
Physical cores 10 6
Threads 16 6
Power consumption (TDP) 65 Watt 95 Watt

i5-13400 has a 128.3% higher aggregate performance score, 34.2% faster integrated GPU, an age advantage of 5 years, 66.7% more physical cores and 166.7% more threads, and 46.2% lower power consumption.

The Core i5-13400 is our recommended choice as it beats the Core i5-8600K in performance tests.


Should you still have questions on choice between Core i5-13400 and Core i5-8600K, ask them in Comments section, and we shall answer.

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Intel Core i5-13400
Core i5-13400
Intel Core i5-8600K
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Similar processor comparisons

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Community ratings

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Questions & comments

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