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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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Much newer manufacturing process 14 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 4 GHz vs 2.1 GHz More than 90% higher clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 11,109 vs 473 Around 23.5x better PassMark score
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Better performance per watt 3.49 pt/W vs 0.77 pt/W More than 4.5x better performance per watt
Front view of AMD Athlon 46

Reasons to consider the
AMD Athlon 46

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Much lower typical power consumption 20.31W vs 73.94W 3.6x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 6.02 $/year vs 21.92 $/year 3.6x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 79.72 $/year 3.6x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs Athlon 46

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i7 6700K  vs
Athlon 46 
Clock speed 4 GHz 2.1 GHz
Cores Quad core Single core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support 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
Athlon 46 
Architecture x86-64 x86-64
Threads 8 1
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 14 nm 65 nm
Max CPUs 1 1

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

power consumption

TDP 91W 25W
Annual home energy cost 21.92 $/year 6.02 $/year
Annual commercial energy cost 79.72 $/year 21.9 $/year
Performance per watt 3.49 pt/W 0.77 pt/W
Typical power consumption 73.94W 20.31W
Intel Core i7 6700K
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AMD Athlon 46
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