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Intel Core i7-4790 vs Intel Core i9 9900K

Intel Core i7-4790 Cpu
Intel Core i7-4790
Intel Core i9 9900K Cpu
Intel Core i9 9900K
Editiorial reviews
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
Read editorial reviews
15
4.4 out of 5
6 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
39
4.1 out of 5
39 user ratings
5 stars
35 %
4 stars
41 %
3 stars
23 %
2 stars
0 %
1 stars
0 %
37
4.3 out of 5
37 user ratings
5 stars
40 %
4 stars
45 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
Processor socketLGA 1150LGA 1151
Component forPCPC
Operating modes
  • 32-bit
  • 64-bit
64-bit

Processor

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
Clock speed3.6 GHz3.6 GHz
Max turbo speed4.0 GHz5.0 GHz
Number of cores48
Number of threads816
Thermal Design Power (TDP)65.0 W95.0 W
Processor lithography0.0 in0.0 in
Bus typeDMIDMI3
Idle statesyesyes

Integrated Graphics

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
On-board graphics adapteryesyes
TypeIntel HD Graphics 4600Intel UHD Graphics 630
On-board graphics adapter base frequency350.0 MHz350.0 MHz
On-board graphics adapter DirectX version11.112.0

Memory

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
Cache8 MB16 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor
  • 1333
  • 1600
2666.0 MHz
Maximum internal memory supported by processor32.0 GB64.0 GB
Memory types supported by processorDDR3 SDRAMDDR4 SDRAM
Memory bandwidth supported by processor (max)25.6 GB/s41.6 GB/s
Memory channelsDualDual

Thermals

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
Thermal specification162.9 °F212.0 °F

Features

Intel Core i7-4790Intel Core i7-4790
Intel Core i9 9900KIntel Core i9 9900K
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 i7-4790

          Often compared with Intel Core i9 9900K