Core i3-7020U vs Core i5-8600K

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Aggregate performance score

Core i5-8600K
2017
6 cores / 6 threads, 95 Watt
6.59
+297%

Core i5-8600K outperforms Core i3-7020U by a whopping 297% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8600K and Core i3-7020U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking9661971
Place by popularitynot in top-10095
Cost-effectiveness evaluation8.08no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5Intel Core i3
Architecture codenameCoffee Lake-S (2017−2018)Kaby Lake (2016−2019)
Release date5 October 2017 (6 years ago)30 August 2016 (7 years ago)
Launch price (MSRP)$257$281
Current price$200 (0.8x MSRP)$553 (2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8600K and Core i3-7020U 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 cores6 (Hexa-Core)2 (Dual-core)
Threads64
Base clock speed3.6 GHz2.3 GHz
Boost clock speed4.3 GHz2.3 GHz
L1 cache64K (per core)128 KB
L2 cache256K (per core)512 KB
L3 cache9 MB (shared)3 MB
Chip lithography14 nm14 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierYesNo

Compatibility

Information on Core i5-8600K and Core i3-7020U 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
SocketFCLGA1151FCBGA1356,FC-BGA1356,FPBGA1356
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8600K and Core i3-7020U. 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)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP+-
Smart Responseno data+
StatusDiscontinuedDiscontinued

Security technologies

Core i5-8600K and Core i3-7020U 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 i5-8600K and Core i3-7020U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8600K and Core i3-7020U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size128 GB32 GB
Max memory channels22
Maximum memory bandwidth41.6 GB/s34.1 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel HD Graphics 620
Max video memory64 GB32 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-8600K and Core i3-7020U integrated GPUs.

Number of displays supported33
eDPno data+
DisplayPortno data+
HDMIno data+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i5-8600K and Core i3-7020U integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2304@24Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core i5-8600K and Core i3-7020U integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8600K and Core i3-7020U.

PCIe version3.03.0
PCI Express lanes1612

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.

i5-8600K 6.59
+297%
i3-7020U 1.66

Core i5-8600K outperforms Core i3-7020U by 297% based on our aggregated 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%

i5-8600K 10199
+296%
i3-7020U 2574

Core i5-8600K outperforms Core i3-7020U by 296% 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%

i5-8600K 1548
+111%
i3-7020U 733

Core i5-8600K outperforms Core i3-7020U by 111% 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%

i5-8600K 5602
+277%
i3-7020U 1484

Core i5-8600K outperforms Core i3-7020U by 277% 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%

i5-8600K 6875
+91.6%
i3-7020U 3588

Core i5-8600K outperforms Core i3-7020U by 92% 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%

i5-8600K 32863
+307%
i3-7020U 8083

Core i5-8600K outperforms Core i3-7020U by 307% in Cinebench 10 32-bit multi-core.

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%

i5-8600K 990
+336%
i3-7020U 227

Core i5-8600K outperforms Core i3-7020U by 336% 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%

i5-8600K 181
+94.6%
i3-7020U 93

Core i5-8600K outperforms Core i3-7020U by 95% 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%

i5-8600K 5.4
+286%
i3-7020U 1.4

Core i5-8600K outperforms Core i3-7020U by 286% 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%

i5-8600K 4583
+139%
i3-7020U 1920

Core i5-8600K outperforms Core i3-7020U by 139% in WinRAR 4.0.

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%

i5-8600K 63
+306%
i3-7020U 16

Core i5-8600K outperforms Core i3-7020U by 306% in x264 encoding pass 2.

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%

i5-8600K 233
+191%
i3-7020U 80

Core i5-8600K outperforms Core i3-7020U by 191% in x264 encoding pass 1.

Geekbench 3 32-bit multi-core

Benchmark coverage: 5%

i5-8600K 18970
+293%
i3-7020U 4821

Core i5-8600K outperforms Core i3-7020U by 293% in Geekbench 3 32-bit multi-core.

Geekbench 3 32-bit single-core

Benchmark coverage: 5%

i5-8600K 4217
+89.9%
i3-7020U 2221

Core i5-8600K outperforms Core i3-7020U by 90% in Geekbench 3 32-bit single-core.

Gaming performance

Pros & cons summary


Performance score 6.59 1.66
Integrated graphics card 3.08 2.42
Recency 5 October 2017 30 August 2016
Physical cores 6 2
Threads 6 4
Cost $257 $281
Power consumption (TDP) 95 Watt 15 Watt

The Core i5-8600K is our recommended choice as it beats the Core i3-7020U in performance tests.

Note that Core i5-8600K is a desktop processor while Core i3-7020U is a notebook one.


Should you still have questions on choice between Core i5-8600K and Core i3-7020U, ask them in Comments section, and we shall answer.

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Intel Core i5-8600K
Core i5-8600K
Intel Core i3-7020U
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