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Intel Core i5 8400 vs Intel Core i5 8600K

Intel Core i5 8400 Cpu
Intel Core i5 8400
Intel Core i5 8600K Cpu
Intel Core i5 8600K
Editiorial reviews
7
4.5 out of 5
4 user ratings
5 stars
75 %
4 stars
25 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial 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
User rating
40
4.3 out of 5
40 user ratings
5 stars
55 %
4 stars
22 %
3 stars
20 %
2 stars
2 %
1 stars
0 %
32
3.8 out of 5
32 user ratings
5 stars
18 %
4 stars
46 %
3 stars
34 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i5 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
Processor socketLGA 1151LGA 1151
Component forPCPC
Operating modes64-bit64-bit

Processor

Intel Core i5 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
Clock speed2.8 GHz3.6 GHz
Max turbo speed4.0 GHz4.3 GHz
Number of cores66
Number of threads66
Thermal Design Power (TDP)65.0 W95.0 W
Processor lithography0.0 in0.0 in
Bus typeDMI3DMI3
Idle statesyesyes

Integrated Graphics

Intel Core i5 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
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 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
Cache9 MB9 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor2666.0 MHz2666.0 MHz
Maximum internal memory supported by processor64.0 GB64.0 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 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
Cooler includedyesno

Features

Intel Core i5 8400Intel Core i5 8400
Intel Core i5 8600KIntel Core i5 8600K
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 8400

          Often compared with Intel Core i5 8600K