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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 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 4 GHz vs 0.55 GHz More than 7.2x higher clock speed
Significantly more l2 cache 1 MB vs 0.13 MB Around 7.8x more l2 cache; more data can be stored in the l2 cache for quick access later
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the 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
Much better overclocked clock speed (Air) 4.61 GHz vs 2.27 GHz More than 2x better overclocked clock speed (Air)
Newer Jul, 2015 vs Sep, 2007 Release date over 7 years later
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Much better overclocked clock speed (Water) 4.77 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)
More l2 cache per core 0.25 MB/core vs 0.13 MB/core More than 90% more l2 cache per core
Front view of Intel Celeron M 550

Reasons to consider the
Intel Celeron M 550

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Much better 3DMark06 CPU score 877 vs 80.5 Around 11x better 3DMark06 CPU score
Much lower typical power consumption 3.25W vs 73.94W 22.8x lower typical power consumption
Much lower annual home energy cost 0.96 $/year vs 21.92 $/year 22.8x lower annual home energy cost
Much lower annual commercial energy cost 3.5 $/year vs 79.72 $/year 22.7x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs Celeron M 550

3D Mark 06 (CPU)

Specifications Full list of technical specs

summary

Core i7 6700K  vs
Celeron M 550 
Clock speed 4 GHz 0.55 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
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes No

power consumption

TDP 91W 4W
Annual home energy cost 21.92 $/year 0.96 $/year
Annual commercial energy cost 79.72 $/year 3.5 $/year
Typical power consumption 73.94W 3.25W

details

Core i7 6700K  vs
Celeron M 550 
Architecture x86-64 x86
Threads 8 1
L2 cache 1 MB 0.13 MB
L2 cache per core 0.25 MB/core 0.13 MB/core
Manufacture process 14 nm 180 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.61 GHz 2.27 GHz
Overclocked clock speed (Water) 4.77 GHz 2 GHz
Overclocked clock speed (Air) 4.61 GHz 2.27 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

bus

Architecture FSB FSB
Number of links 0 1
Intel Core i7 6700K
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Intel Celeron M 550
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