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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 higher clock speed 4 GHz vs 1.6 GHz Around 2.5x higher clock speed
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
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much better overclocked clock speed (Air) 4.61 GHz vs 1.6 GHz Around 3x better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.77 GHz vs 1.6 GHz Around 3x better overclocked clock speed (Water)
Newer Jul, 2015 vs Dec, 2012 Release date over 2 years later
Front view of Intel Atom S1269

Reasons to consider the
Intel Atom S1269

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Much lower typical power consumption 9.51W vs 73.94W 7.8x 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 2.82 $/year vs 21.92 $/year 7.8x lower annual home energy cost
Much lower annual commercial energy cost 10.25 $/year vs 79.72 $/year 7.8x lower annual commercial energy cost

Features Key features of the Core i7 6700K  vs Atom S1269 

clock speed

Atom S1269
1.6 GHz

L2 cache

overclocked clock speed (air)

Core i7 6700K
4.61 GHz
Atom S1269
1.6 GHz

overclocked clock speed (water)

Core i7 6700K
4.77 GHz
Atom S1269
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Core i7 6700K  vs
Atom S1269 
Clock speed 4 GHz 1.6 GHz
Cores Quad core Dual core

features

Has a NX bit Yes 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 No

power consumption

TDP 91W 11.7W
Annual home energy cost 21.92 $/year 2.82 $/year
Annual commercial energy cost 79.72 $/year 10.25 $/year
Typical power consumption 73.94W 9.51W

bus

Architecture FSB FSB
Number of links 0 1

details

Core i7 6700K  vs
Atom S1269 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.61 GHz 1.6 GHz
Overclocked clock speed (Water) 4.77 GHz 1.6 GHz
Overclocked clock speed (Air) 4.61 GHz 1.6 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
Memory type
DDR3L-1600
DDR3-1333
DDR3
Channels Dual Channel Single Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 10,666.66 MB/s
Maximum memory size 65,536 MB 8,192 MB
Intel Core i7 6700K
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Intel Atom S1269
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