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Intel Core i5 8600K vs Intel Core i5 9400

Intel Core i5 8600K Cpu
Intel Core i5 8600K
Intel Core i5 9400 Cpu
Intel Core i5 9400
Editiorial reviews
5
5 editorial reviews
Intel's Core i5-8600K is priced $120 below the i7-8700K, making it an interesting option for the more value-oriented buyer. It features the same six-core design, but lacks HyperThreading and loses 3 MB of cache. Our testing shows that it still is a great CPU, especially when overclocked to almost 5 GHz.Read more
It always seemed the overclockable Core i5 8600K would be the Intel Coffee Lake CPU that would steal my gaming heart. I was wrong.Read more
Intel's Coffee Lake-S flagship, the Core i7 8700K is - in our view - the fastest gaming CPU that money can buy right no…Read more
Read editorial reviews
1
1 editorial reviews
Intel's Core i5-9400 and -9400F CPUs, armed with with six cores and six threads, come to defend the company's gaming dominance in the mid-range market.Read more
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User rating
32
3.8 out of 5
32 user ratings
5 stars
18 %
4 stars
46 %
3 stars
34 %
2 stars
0 %
1 stars
0 %
40
4.3 out of 5
40 user ratings
5 stars
45 %
4 stars
35 %
3 stars
20 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
Processor socketLGA 1151LGA 1151
Component forPCPC
Operating modes64-bit64-bit

Processor

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
Clock speed3.6 GHz2.9 GHz
Max turbo speed4.3 GHz4.1 GHz
Number of cores66
Number of threads66
Thermal Design Power (TDP)95.0 W65.0 W
Processor lithography0.0 in0.0 in
Bus typeDMI3DMI3
Idle statesyesyes

Integrated Graphics

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
On-board graphics adapteryesyes
TypeIntel UHD Graphics 630Intel UHD Graphics 630
On-board graphics adapter base frequency350.0 MHz350.0 MHz
On-board graphics adapter DirectX version12.012.0

Memory

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
Cache9 MB9 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor2666.0 MHz2666.0 MHz
Maximum internal memory supported by processor64.0 GB128.0 GB
Memory types supported by processorDDR4 SDRAMDDR4 SDRAM
Memory bandwidth supported by processor (max)41.6 GB/s41.6 GB/s
Memory channelsDualDual

Thermals

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
Cooler includednono

Features

Intel Core i5 8600KIntel Core i5 8600K
Intel Core i5 9400Intel Core i5 9400
Thermal monitoring technologiesyesyes
Maximum number of PCI Express lanes1616
Supported instruction sets
  • AVX 2.0
  • SSE4.1
  • SSE4.2
  • AVX 2.0
  • SSE4.1
  • SSE4.2
Execute disable bityesyes
Scalability1S1S

Pros & Cons

Pros
      Cons

          Often compared with Intel Core i5 8600K

          Often compared with Intel Core i5 9400