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Intel Core i7 5820K vs Intel Core i7 6700K

Intel Core i7 5820K Cpu
Intel Core i7 5820K
Intel Core i7 6700K Cpu
Intel Core i7 6700K
Editiorial reviews
5
5 editorial reviews
Introduction and Technical SpecificationsRead more
There's an interesting point in the processor market and that is the position right where many enthuRead more
Were you disappointed by last year's Ivy Bridge-E launch? Core i7-5960X, -5930K, and -5820K promise more excitement, sporting up to eight cores, DDR4 memory, a new X99 chipset, and an LGA 2011-3 interface. Should you jump to upgrade, though?Read more
Read editorial 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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User rating
36
3.8 out of 5
36 user ratings
5 stars
16 %
4 stars
50 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
37
4.3 out of 5
37 user ratings
5 stars
45 %
4 stars
40 %
3 stars
13 %
2 stars
0 %
1 stars
0 %

Full Comparison

General

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
Processor socketLGA 2011-v3LGA 1151
Component forPCPC
Operating modes64-bit64-bit

Processor

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
Clock speed3.3 GHz4.0 GHz
Max turbo speed3.6 GHz4.2 GHz
Number of cores64
Number of threads128
Thermal Design Power (TDP)140.0 W91.0 W
Processor lithography0.0 in0.0 in
Bus typeQPIDMI2
Idle statesyesyes

Integrated Graphics

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
On-board graphics adapternoyes
TypeNot availableIntel HD Graphics 530

Memory

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
Cache15 MB8 MB
Cache typeSmart CacheSmart Cache
Memory clock speeds supported by processor
  • 1333
  • 1600
  • 2133
  • 1600
  • 2133
Maximum internal memory supported by processor64.0 GB64.0 GB
Memory types supported by processorDDR4 SDRAM
  • DDR3L SDRAM
  • DDR4 SDRAM
Memory bandwidth supported by processor (max)68.0 GB/s34.2 GB/s
Memory channelsQuadDual

Thermals

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
Cooler includednono

Features

Intel Core i7 5820KIntel Core i7 5820K
Intel Core i7 6700KIntel Core i7 6700K
Thermal monitoring technologiesyesyes
Maximum number of PCI Express lanes2816
Supported instruction sets
  • SSE4.2
  • AVX 2.0
  • AES
  • AVX 2.0
  • SSE4.1
  • SSE4.2
Execute disable bityesyes
Scalability1S1S

Pros & Cons

Pros
      Cons

          Often compared with Intel Core i7 5820K

          Often compared with Intel Core i7 6700K