Intel Core i5-8600K Intel Core i3-12100
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Intel Core i5-8600K vs Intel Core i3-12100

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The Intel Core i5-8600K, introduced in 2017 as the K-variant of the Coffee Lake S-architecture, was manufactured using the 14 nm process.

It features 6 cores, 6 threads, PCIe 3.0, and 9 MB of L3 cache. The integrated Intel UHD Graphics 630 offers a maximum memory bandwidth of 43 GB/s. The Intel Core i3-12100, an Alder Lake S processor from 2022, is manufactured using the more efficient 10 nm process (Intel 7).

It has 4 cores and 8 threads (Hyper-Threading), supports PCIe 5.0, and has 12 MB of L3 and 5 MB of L2 cache. The integrated Intel UHD Graphics 730 offers a maximum memory bandwidth of 77 GB/s. In single-core and multi-core performance, the Intel Core i3-12100 significantly outperforms the Intel Core i5-8600K.

This reflects its more modern architecture and leads to superior computing power. For gaming scenarios, the Intel Core i3-12100 is the better choice. Its higher single-core performance and PCIe 5.0 offer advantages over the older architecture and PCIe 3.0 of the Intel Core i5-8600K. The Intel Core i5-8600K can consume more power under load.

The Intel Core i3-12100 is more economical due to its more efficient manufacturing process and generates less waste heat. In terms of price, the Intel Core i5-8600K is only relevant on the used market. The Intel Core i3-12100 offers excellent value for money when new.

The Intel Core i3-12100 is the superior choice for most current applications, including gaming. The Intel Core i5-8600K is only worth considering if you find a very affordable used offer.

Intel Core i5-8600K

  • 6 Cores, 6 Threads
  • Overclockable (K-variant)
  • Older Coffee Lake S architecture (14 nm)
  • PCIe 3.0 Support

Intel Core i3-12100

  • 4 Cores, 8 Threads (Hyper-Threading)
  • Modern Alder Lake S architecture (10 nm)
  • Superior Single-Core Performance
  • PCIe 5.0 Support

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 75 %
Intel Core i5-8600K
Rank 1 - 100 %
Intel Core i3-12100
Multi-core performance
Rank 2 - 84 %
Intel Core i5-8600K
Rank 1 - 100 %
Intel Core i3-12100
Cinebench 2024 Single-Core

Cinebench 2024 Single-Core
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
69 pts
Intel Core i3-12100
4C / 8T · 4.30 GHz
86 pts
Cinebench 2024 Multi-Core

Cinebench 2024 Multi-Core
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
391 pts
Intel Core i3-12100
4C / 8T · 4.30 GHz
401 pts
Cinebench R23 Single-Core

Cinebench R23 Single-Core
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
1,261 pts
Intel Core i3-12100
4C / 8T · 4.30 GHz
1,658 pts
Cinebench R23 Multi-Core

Cinebench R23 Multi-Core
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.10 GHz
6,832 pts
Intel Core i3-12100
4C / 8T · 4.00 GHz
8,443 pts
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
1,532
Intel Core i3-12100
4C / 8T · 4.30 GHz
2,157
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.10 GHz
5,831
Intel Core i3-12100
4C / 8T · 4.00 GHz
7,428
Cinebench R20 Single-Core

Cinebench R20 Single-Core
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
406 cb
Intel Core i3-12100
4C / 8T · 4.30 GHz
642 cb
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
1,251
Intel Core i3-12100
4C / 8T · 4.30 GHz
1,716
Cinebench R20 Multi-Core

Cinebench R20 Multi-Core
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.10 GHz
2,181 cb
Intel Core i3-12100
4C / 8T · 4.00 GHz
3,204 cb
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.10 GHz
5,631
Intel Core i3-12100
4C / 8T · 4.00 GHz
6,422
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-8600K
Intel UHD Graphics 630
442
Intel Core i3-12100
Intel UHD Graphics 730
538
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i5-8600K
6C / 6T · 4.30 GHz
183 cb
Intel Core i3-12100
4C / 8T · 4.30 GHz
242 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i5-8600K
6C / 6T · 4.10 GHz
1,040 cb
Intel Core i3-12100
4C / 8T · 4.00 GHz
1,204 cb

More benchmarks

At a glance

Wischen
Intel Core i5-8600KIntel Core i3-12100
FamilyIntel Core i5 (336)Intel Core i3 (205)
CPU groupIntel Core i 8000 (20)Intel Core i 12000 (34)
ArchitectureCoffee Lake SAlder Lake S
Technology14 nm10 nm
SegmentDesktopDesktop
SocketLGA 1151-2LGA 1700
PredecessorIntel Core i5-7600KIntel Core i3-11100B
SuccessorIntel Core i5-9600KIntel Core i3-13100

CPU Cores and Base Frequency

Wischen
Intel Core i5-8600KIntel Core i3-12100
CPU Cores / Threads6 / 64 / 8
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 6x 4x Golden Cove
Frequency: 3.60 GHz 3.30 GHz
Turbo (1 Core): 4.30 GHz 4.30 GHz
Turbo (All Cores): 4.10 GHz 4.00 GHz
L2-Cache5.00 MB
L3-Cache9.00 MB12.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-8600KIntel Core i3-12100
GPU nameIntel UHD Graphics 630Intel UHD Graphics 730
GPU frequency0.35 - 1.15 GHz0.30 - 1.40 GHz
CUs / Shader24 / 19224 / 192
Raytracing
Max. displays33
Max. GPU Memory64 GB64 GB
Technology14 nm14 nm
Release dateQ4/2017Q1/2021

NPU AI performance

Wischen
Intel Core i5-8600KIntel Core i3-12100
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-8600KIntel Core i3-12100
MemoryDDR4-2666 (42.7 GB/s)
DDR5-4800 (76.8 GB/s)
DDR4-3200 (51.2 GB/s)
Max. Memory128 GB128 GB
Memory channels22
ECCNoNo
PCIe3.0 x 165.0 x 20
PCIe Bandwidth15.8 GB/s78.8 GB/s

Thermal Management

Wischen
Intel Core i5-8600KIntel Core i3-12100
TDP95 W60 W
TDP (PL2)89 W
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i5-8600KIntel Core i3-12100
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2, AVX2, AVX2+
Release dateQ4/2017Q1/2022
Release price295 $122 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-8600K is 4.2 stars (15 ratings), while Intel Core i3-12100 has received 4.4 stars (128 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-8600K
Intel Core i5-8600K
6C / 6T · 3.60 - 4.30 GHz
Intel Core i3-12100
Intel Core i3-12100
4C / 8T · 3.30 - 4.30 GHz

Most popular CPUs in both categories

Intel Core i5-8600K
Intel Core i5-8600K
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