CPUBoss Review Our evaluation of 6900K vs 6800K among all CPUs

Performance

Benchmark performance using all cores
6900K
7.6
6800K
7.0
Core i7 6700K
6.5
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
6900K
7.7
6800K
7.5
Core i7 6700K
8.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
6900K
0.0
6800K
0.0
Core i7 6700K
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
6900K
0.0
6800K
0.0
Core i7 6700K
8.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
6900K
5.0
6800K
5.0
Core i7 6700K
5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
6900K
n.d.
6800K
n.d.
Core i7 6700K
5.8
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Intel 6900K

Front view of Intel 6900K
Front view of Intel 6800K

Intel 6800K

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Differences What are the advantages of each

Front view of Intel 6900K

Reasons to consider the
Intel 6900K

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Much better CompuBench 1.5 bitcoin mining score 101.59 mHash/s vs 71.41 mHash/s More than 40% better CompuBench 1.5 bitcoin mining score
Better PassMark score 17,994 vs 13,636 More than 30% better PassMark score
More cores 8 vs 6 2 more cores; run more applications at once
More threads 16 vs 12 4 more threads
Better PassMark (Single core) score 2,224 vs 2,062 Around 10% better PassMark (Single core) score
Better performance per watt 3.62 pt/W vs 2.86 pt/W More than 25% better performance per watt
Front view of Intel 6800K

Reasons to consider the
Intel 6800K

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Higher clock speed 3.4 GHz vs 3.2 GHz More than 5% higher clock speed

Benchmarks Real world tests of 6900K vs 6800K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

6900K
101.59 mHash/s
6800K
71.41 mHash/s

GeekBench 3 (Multi-core) Data courtesy Primate Labs

6900K
29,191
6800K
23,374.5

GeekBench 3 (Single core) Data courtesy Primate Labs

6900K
3,905.5
6800K
3,666

GeekBench 3 (AES single core) Data courtesy Primate Labs

6900K
4,795 MB/s
6800K
3,545 MB/s

Cinebench R10 32-Bit

6900K
48,835
6800K
40,273

Cinebench R10 32-Bit (Single Core)

6900K
7,618
6800K
7,425

PassMark Data courtesy Passmark

6900K
17,994
6800K
13,636

PassMark (Single Core)

6900K
2,224
6800K
2,062

Specifications Full list of technical specs

summary

 6900K  vs
6800K 
Clock speed 3.2 GHz 3.4 GHz
Turbo clock speed 3.7 GHz 3.6 GHz
Cores Octa 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
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 140W 140W
Annual home energy cost 33.73 $/year 33.73 $/year
Annual commercial energy cost 122.64 $/year 122.64 $/year
Performance per watt 3.62 pt/W 2.86 pt/W
Typical power consumption 113.75W 113.75W

bus
Architecture FSB FSB
Number of links 1 1

details

 6900K  vs
6800K 
Architecture x86-64 x86-64
Threads 16 12
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 4.3 GHz 4.17 GHz
Overclocked clock speed (Water) 4.29 GHz 4.35 GHz
Overclocked clock speed (Air) 4.3 GHz 4.17 GHz

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller
Memory controller Built-in Built-in
Channels Quad Channel Quad Channel
Supports ECC No No
Maximum memory size 131,072 MB 131,072 MB
Intel 6900K
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Intel 6800K
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