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Intel Core i7 6700K

Front view of Intel Core i7 6700K
Front view of Intel 6950X

Intel 6950X

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Differences What are the advantages of each

Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Significantly higher clock speed 4 GHz vs 3 GHz Around 35% higher clock speed
Higher turbo clock speed 4.2 GHz vs 3.5 GHz More than 20% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 73.94W vs 113.75W 35% lower typical power consumption
Better PassMark (Single core) score 2,349 vs 2,143 Around 10% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.61 GHz vs 4.22 GHz Around 10% better overclocked clock speed (Air)
Much lower annual home energy cost 21.92 $/year vs 33.73 $/year 35% lower annual home energy cost
Much lower annual commercial energy cost 79.72 $/year vs 122.64 $/year 35% lower annual commercial energy cost
Better overclocked clock speed (Water) 4.77 GHz vs 4.3 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel 6950X

Reasons to consider the
Intel 6950X

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More cores 10 vs 4 6 more cores; run more applications at once
Much better PassMark score 20,013 vs 11,109 More than 80% better PassMark score
More threads 20 vs 8 12 more threads
Newer Apr, 2016 vs Jul, 2015 Release date 9 months later

Benchmarks Real world tests of Core i7 6700K vs 6950X

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700K
17,583
6950X
39,590

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 6700K
4,510
6950X
4,218

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
6950X
5,040 MB/s

Cinebench R10 32-Bit

Core i7 6700K
36,746
6950X
53,516

Cinebench R10 32-Bit (Single Core)

Core i7 6700K
8,981
6950X
7,239

PassMark Data courtesy Passmark

Core i7 6700K
11,109
6950X
20,013

PassMark (Single Core)

Core i7 6700K
2,349
6950X
2,143

Specifications Full list of technical specs

summary

 Core i7 6700K  vs
6950X 
Clock speed 4 GHz 3 GHz
Turbo clock speed 4.2 GHz 3.5 GHz
Cores Quad core Deca core
Is unlocked Yes Yes

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 91W 140W
Annual home energy cost 21.92 $/year 33.73 $/year
Annual commercial energy cost 79.72 $/year 122.64 $/year
Performance per watt 3.49 pt/W 3.64 pt/W
Typical power consumption 73.94W 113.75W

bus
Architecture FSB FSB
Number of links 0 1

details

 Core i7 6700K  vs
6950X 
Architecture x86-64 x86-64
Threads 8 20
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 4.61 GHz 4.22 GHz
Overclocked clock speed (Water) 4.77 GHz 4.3 GHz
Overclocked clock speed (Air) 4.61 GHz 4.22 GHz

integrated graphics
GPU GPU None
Label Intel® HD Graphics 530 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,150 MHz N/A

memory controller
Memory controller Built-in Built-in
Channels Dual Channel Quad Channel
Supports ECC No No
Maximum memory size 65,536 MB 131,072 MB
Intel Core i7 6700K
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Intel 6950X
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