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Intel Core i7 6700K vs Intel Core i7 8700

Intel Core i7 6700K Cpu
Intel Core i7 6700K
Intel Core i7 8700 Cpu
Intel Core i7 8700
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
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3
3 editorial reviews
Intel’s hexa-core processor rises above RyzenRead more
With high clocks and hexa-core design, Intel's top eighth-generation/"Coffee Lake" desktop CPU impresses as a mainstream "do-it-all" processor. It's an excellent gamer, too, when paired with a high-end video card.Read more
Intel's Core i7-8700 sports all of the goodness expected from its Coffee Lake architecture. However, the bundled cooler proves insufficient under taxing workloads.Read more
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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 %
42
4.3 out of 5
42 user ratings
5 stars
42 %
4 stars
40 %
3 stars
16 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i7 8700Intel Core i7 8700
Processor socketLGA 1151LGA 1151
Component forPCPC
Operating modes64-bit64-bit

Processor

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i7 8700Intel Core i7 8700
Clock speed4.0 GHz3.2 GHz
Max turbo speed4.2 GHz4.6 GHz
Number of cores46
Number of threads812
Thermal Design Power (TDP)91.0 W65.0 W
Processor lithography0.0 in0.0 in
Bus typeDMI2DMI3
Idle statesyesyes

Integrated Graphics

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i7 8700Intel Core i7 8700
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 i7 8700Intel Core i7 8700
Cache8 MB12 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 i7 8700Intel Core i7 8700
Cooler includednoyes

Features

Intel Core i7 6700KIntel Core i7 6700K
Intel Core i7 8700Intel Core i7 8700
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 i7 8700