CPUBoss Review Our evaluation of 6700K vs 6800K 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

8.2

CPUBoss Score

Combination of all six facets

Winner
Intel 6800K 

CPUBoss recommends the Intel 6800K  based on its performance.

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VS
Front view of Intel 6800K

Intel 6800K

CPUBoss Winner

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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Higher clock speed 4 GHz vs 3.4 GHz Around 20% higher clock speed
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 3.6 GHz More than 15% higher turbo clock speed
Much lower typical power consumption 73.94W vs 113.75W 35% lower typical power consumption
Better PassMark (Single core) score 2,349 vs 2,062 Around 15% better PassMark (Single core) score
Better overclocked clock speed (Air) 4.61 GHz vs 4.17 GHz More than 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
Slightly better performance per watt 3.49 pt/W vs 2.86 pt/W More than 20% better performance per watt
Better overclocked clock speed (Water) 4.77 GHz vs 4.35 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel 6800K

Reasons to consider the
Intel 6800K

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Much better CompuBench 1.5 bitcoin mining score 71.41 mHash/s vs 35.02 mHash/s More than 2x better CompuBench 1.5 bitcoin mining score
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Better PassMark score 13,636 vs 11,109 Around 25% better PassMark score
Newer Apr, 2016 vs Jul, 2015 Release date 9 months later

Benchmarks Real world tests of Core i7 6700K vs 6800K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6700K
35.02 mHash/s
6800K
71.41 mHash/s

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 6700K
17,583
6800K
23,374.5

GeekBench 3 (Single core) Data courtesy Primate Labs

6800K
3,666

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6700K
6,010 MB/s
6800K
3,545 MB/s

Cinebench R10 32-Bit

Core i7 6700K
36,746
6800K
40,273

Cinebench R10 32-Bit (Single Core)

6800K
7,425

PassMark Data courtesy Passmark

Core i7 6700K
11,109
6800K
13,636

PassMark (Single Core)

6800K
2,062

Specifications Full list of technical specs

summary

Core i7 6700K  vs
6800K 
Clock speed 4 GHz 3.4 GHz
Turbo clock speed 4.2 GHz 3.6 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 3.49 pt/W 2.86 pt/W
Typical power consumption 73.94W 113.75W

bus

Architecture FSB FSB
Number of links 0 1

details

Core i7 6700K  vs
6800K 
Architecture x86-64 x86-64
Threads 8 12
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.61 GHz 4.17 GHz
Overclocked clock speed (Water) 4.77 GHz 4.35 GHz
Overclocked clock speed (Air) 4.61 GHz 4.17 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 6800K
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Comments

Showing 3 comments.
I would like to see some real world test. From what I've seem from some of the reviewers is the 6700K is better overall performer which I think is true but I also agree more review is needed
The 6800K is better and it's older than Skylake. But I'm still not sure what to buy since MBs are also more expensive on X99 platform.
where are the scores? It shows the 6800k SMASHING the 6700k (just like the 5820k smashes it,) but there are no scores.... what's wrong? Don't wanna give the superior 6800k a 6.3/10 and the 6700k a 9/10, like you did with the 5820k? O... wait... my screenshots show that 6 months ago, the 5820k was EXACTLY EVEN with the 6700k. Seems like you aren't "biased towards AMD" or "biased towards Nvidia" you're looking at the steam records of what people own, (allowance can't afford that 5820k) and when you find out chips don't have a big market share, they lose %30-50 of their rating. Shameful. Good job hiding your shame on this one.
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