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Intel Core i5 9400F vs Intel Core i7-4790

Intel Core i5 9400F Cpu
Intel Core i5 9400F
Intel Core i7-4790 Cpu
Intel Core i7-4790
Editiorial 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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3
3 editorial reviews
Codename Devil's Canyon is out from Intel. We see just what the new Core i7 4790K processor is all about as we put it through our CPU testing regiment.Read more
Intel's Core i7-4790K is the high-end Haswell-based processor for enthusiasts who liked last year's 4770K CPU, but weren't satisfied with its modest performance improvements.Read more
Despite a clear performance advantage, Intel just doesn't seem like an enthusiast-friendly company. Certain elements in the organization want to change that perception, though. Devil's Canyon is meant to allay power users with more speed.Read more
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User rating
39
4.1 out of 5
39 user ratings
5 stars
41 %
4 stars
28 %
3 stars
30 %
2 stars
0 %
1 stars
0 %
40
4.1 out of 5
40 user ratings
5 stars
35 %
4 stars
42 %
3 stars
22 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
Processor socketLGA 1151LGA 1150
Component forPCPC
Operating modes64-bit
  • 32-bit
  • 64-bit

Processor

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
Clock speed2.9 GHz3.6 GHz
Max turbo speed4.1 GHz4.0 GHz
Number of cores64
Number of threads68
Thermal Design Power (TDP)65.0 W65.0 W
Processor lithography0.0 in0.0 in
Bus typeDMI3DMI
Idle statesyesyes

Integrated Graphics

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
On-board graphics adapternoyes
TypeNot availableIntel HD Graphics 4600

Memory

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
Cache9 MB8 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor2666.0 MHz
  • 1333
  • 1600
Maximum internal memory supported by processor128.0 GB32.0 GB
Memory types supported by processorDDR4 SDRAMDDR3 SDRAM
Memory bandwidth supported by processor (max)41.6 GB/s25.6 GB/s
Memory channelsDualDual

Thermals

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
Thermal specification212.0 °F162.9 °F

Features

Intel Core i5 9400FIntel Core i5 9400F
Intel Core i7-4790Intel Core i7-4790
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 9400F

          Often compared with Intel Core i7-4790