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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 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly lower typical power consumption 73.94W vs 101.56W More than 25% lower typical power consumption
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Newer Jul, 2015 vs Jan, 2012 Release date over 3 years later
Significantly lower annual home energy cost 21.92 $/year vs 30.11 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 79.72 $/year vs 109.5 $/year More than 25% lower annual commercial energy cost
Front view of AMD FX 8170

Reasons to consider the
AMD FX 8170

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More cores 8 vs 4 Twice as many cores; run more applications at once

Features Key features of the Core i7 6700K  vs FX 8170 

clock speed

FX 8170
3.9 GHz

turbo clock speed

Core i7 6700K
4.2 GHz
FX 8170
4.2 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Core i7 6700K  vs
FX 8170 
Clock speed 4 GHz 3.9 GHz
Turbo clock speed 4.2 GHz 4.2 GHz
Cores Quad core Octa core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
ABM
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3L-1600
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 29,866.66 MB/s

details

Core i7 6700K  vs
FX 8170 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 8 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 14 nm 32 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 125W
Annual home energy cost 21.92 $/year 30.11 $/year
Annual commercial energy cost 79.72 $/year 109.5 $/year
Typical power consumption 73.94W 101.56W

bus

Architecture FSB HyperTransport 3.1
Intel Core i7 6700K
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AMD FX 8170
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