We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Intel Core i7 6700K vs Intel Core i9 9900K

Intel Core i7 6700K Cpu
Intel Core i7 6700K
Intel Core i9 9900K Cpu
Intel Core i9 9900K
Editiorial reviews
6
6 editorial reviews
The biggest draw of the Core i7-6700K, Intel's first sixth-generation CPU, isn't the performance. Rather, it's the extra PCIe lanes that come with the supporting Z170 chipset, which may mean storage that's as fast as the processor.Read more
Another quad-core chip? Yup, but this one's a bit differentRead more
While it may not have been apparent due to their dominance in the x86 processor market, Intel has been facing some unique challenges as of late. Their definitive tick / tock cadence of process technology shrinks followed by base architectural changes has been slowing down. 22nm architectures...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
37
4.3 out of 5
37 user ratings
5 stars
45 %
4 stars
40 %
3 stars
13 %
2 stars
0 %
1 stars
0 %
38
4.3 out of 5
38 user ratings
5 stars
42 %
4 stars
44 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i9 9900KIntel Core i9 9900K
Processor socketLGA 1151LGA 1151
Component forPCPC
Operating modes64-bit64-bit

Processor

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i9 9900KIntel Core i9 9900K
Clock speed4.0 GHz3.6 GHz
Max turbo speed4.2 GHz5.0 GHz
Number of cores48
Number of threads816
Thermal Design Power (TDP)91.0 W95.0 W
Processor lithography0.0 in0.0 in
Bus typeDMI2DMI3
Idle statesyesyes

Integrated Graphics

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i9 9900KIntel Core i9 9900K
On-board graphics adapteryesyes
TypeIntel HD Graphics 530Intel UHD Graphics 630
On-board graphics adapter base frequency350.0 MHz350.0 MHz
On-board graphics adapter DirectX version12.012.0

Memory

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i9 9900KIntel Core i9 9900K
Cache8 MB16 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor
  • 1600
  • 2133
2666.0 MHz
Maximum internal memory supported by processor64.0 GB64.0 GB
Memory types supported by processor
  • DDR3L SDRAM
  • DDR4 SDRAM
DDR4 SDRAM
Memory bandwidth supported by processor (max)34.2 GB/s41.6 GB/s
Memory channelsDualDual

Thermals

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i9 9900KIntel Core i9 9900K
Cooler includednono

Features

Intel Core i7 6700KIntel Core i7 6700K
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 6700K

          Often compared with Intel Core i9 9900K