CPUBoss Review Our evaluation of 6700K vs 5930K among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 5930K 

CPUBoss recommends the Intel Core i7 5930K  based on its performance and value.

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VS

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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Much better cinebench r10 32Bit 1-core score 8,981 vs 7,049 More than 25% better cinebench r10 32Bit 1-core score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher turbo clock speed 4.2 GHz vs 3.7 GHz Around 15% higher turbo clock speed
Higher clock speed 4 GHz vs 3.5 GHz Around 15% higher clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better CompuBench 1.5 video composition score 13.55 fps vs -1 fps More than 1450% better CompuBench 1.5 video composition score
Lower typical power consumption 73.94W vs 113.75W 35% lower typical power consumption
Better PassMark (Single core) score 2,349 vs 2,095 More than 10% better PassMark (Single core) score
Newer Jul, 2015 vs Jul, 2014 Release date a year later
Lower annual commercial energy cost 79.72 $/year vs 122.64 $/year 35% lower annual commercial energy cost
Lower annual home energy cost 21.92 $/year vs 33.73 $/year 35% lower annual home energy cost
Front view of Intel Core i7 5930K

Reasons to consider the
Intel Core i7 5930K

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Much better performance per dollar 4.83 pt/$ vs 1.08 pt/$ Around 4.5x better performance per dollar
More l3 cache 15 MB vs 8 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 11.41 pt/W vs 3.44 pt/W More than 3.2x better performance per watt
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads

Benchmarks Real world tests of Core i7 6700K vs 5930K

CompuBench 1.5 (Face detection)

Core i7 6700K
28.2 mPixels/s
Core i7 5930K
7.26 mPixels/s

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 6700K
13.55 fps
Core i7 5930K
-1 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
Core i7 5930K
4,300,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6700K  vs
5930K 
Clock speed 4 GHz 3.5 GHz
Turbo clock speed 4.2 GHz 3.7 GHz
Cores Quad core Hexa 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 3.44 pt/W 11.41 pt/W
Typical power consumption 73.94W 113.75W

bus

Architecture FSB QPI
Number of links 0 0
Transfer rate 8,000 MT/s 0 MT/s

details

Core i7 6700K  vs
5930K 
Architecture x86-64 x86-64
Threads 8 12
L3 cache 8 MB 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.64 GHz 4.78 GHz
Overclocked clock speed (Water) 4.76 GHz 4.45 GHz
Overclocked clock speed (Air) 4.64 GHz 4.78 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
Memory type
DDR3L-1600
DDR
Channels Dual Channel Quad Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Maximum memory size 65,536 MB 65,536 MB
Intel Core i7 6700K
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Intel Core i7 5930K
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Comments

Showing 4 comments.
Go ahead and get the 6700k, You can go get Zen but you will have to get another motherboard.
Doesn't affect me yet. I am upgrading my I5 6600k to the 6700k I7. I really don't want the extra work of swapping the mobo plus I really can't since its in a R5 nano. I have another 6700k in a rig that's in my truck. Beyond happy with that one but I can see some of the differences in performance between that one and the rig in my office. I was thinking of rebuilding my A10-7860k rig with the I5 or should I wait for this Zen thing to play out. I honestly am not really expecting much to come of it
Are you kidding me
so it looks like this "fight" comes down to if you need/use the integrated graphics or not, and if you need to utilize more cores instead less, and power draw to consider as well, other than that they are pretty neck and neck
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