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Intel Core i7 6700K

CPUBoss Winner
Front view of Intel Core i7 6700K

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 newer manufacturing process 14 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 4 GHz vs 2.8 GHz Around 45% higher clock speed
Much better PassMark (Single core) score 2,349 vs 822 More than 2.8x better PassMark (Single core) score
Much better PassMark score 11,109 vs 703 More than 15.8x better PassMark score
Newer Jul, 2015 vs Aug, 2005 Release date over 10 years later
Much better overclocked clock speed (Air) 4.61 GHz vs 3.16 GHz More than 45% better overclocked clock speed (Air)
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Lower typical power consumption 73.94W vs 84.5W Around 15% lower typical power consumption
Significantly better performance per watt 3.49 pt/W vs 0.58 pt/W More than 6x better performance per watt
Much better overclocked clock speed (Water) 4.77 GHz vs 2.8 GHz More than 70% better overclocked clock speed (Water)
Lower annual home energy cost 21.92 $/year vs 25.05 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 79.72 $/year vs 91.1 $/year Around 15% lower annual commercial energy cost
Front view of AMD Opteron 154

Reasons to consider the
AMD Opteron 154

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Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core

Benchmarks Real world tests of Core i7 6700K vs Opteron 154

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6700K  vs
Opteron 154 
Clock speed 4 GHz 2.8 GHz
Cores Quad core Single core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

details

Core i7 6700K  vs
Opteron 154 
Threads 8 1
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 14 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 64°C 0 - 65°C

overclocking

Overclocked clock speed 4.61 GHz 3.16 GHz
Overclocked clock speed (Water) 4.77 GHz 2.8 GHz
Overclocked clock speed (Air) 4.61 GHz 3.16 GHz

power consumption

TDP 91W 104W
Annual home energy cost 21.92 $/year 25.05 $/year
Annual commercial energy cost 79.72 $/year 91.1 $/year
Performance per watt 3.49 pt/W 0.58 pt/W
Typical power consumption 73.94W 84.5W
Intel Core i7 6700K
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AMD Opteron 154
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