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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
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher turbo clock speed 4.2 GHz vs 3 GHz More than 40% higher turbo clock speed
Much newer manufacturing process 14 nm vs 28 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache 8 MB vs None Compared to all cpus, 8 MB l3 cache is just OK
Much better overclocked clock speed (Air) 4.61 GHz vs 1.6 GHz Around 3x better overclocked clock speed (Air)
Much better PassMark (Single core) score 2,349 vs 1,148 More than 2x better PassMark (Single core) score
Much better PassMark score 11,109 vs 3,262 Around 3.5x better PassMark score
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)
Front view of AMD A8 6th Gen A8-8600P

Reasons to consider the
AMD A8 6th Gen A8-8600P

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 12.19W vs 73.94W 6.1x lower typical power consumption
Much higher GPU clock speed 720 MHz vs 350 MHz More than 2x higher GPU clock speed
Much better performance per watt 8.74 pt/W vs 3.49 pt/W More than 2.5x better performance per watt
Much higher Maximum operating temperature 90 °C vs 64 °C More than 40% higher Maximum operating temperature
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 3.61 $/year vs 21.92 $/year 6.1x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 79.72 $/year 6.1x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 6700K vs A8 6th Gen A8-8600P

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6700K  vs
A8 6th Gen A8-8600P 
Clock speed 4 GHz 1.6 GHz
Turbo clock speed 4.2 GHz 3 GHz
Cores Quad core Quad core
Is unlocked Yes No

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
FMA4
SSE4.2
Supplemental SSE3
AES
AVX 2.0

power consumption

TDP 91W 15W
Annual home energy cost 21.92 $/year 3.61 $/year
Annual commercial energy cost 79.72 $/year 13.14 $/year
Performance per watt 3.49 pt/W 8.74 pt/W
Typical power consumption 73.94W 12.19W

details

Core i7 6700K  vs
A8 6th Gen A8-8600P 
Threads 8 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB None
Manufacture process 14 nm 28 nm
Operating temperature Unknown - 64°C Unknown - 90°C

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 GPU
Label Intel® HD Graphics 530 Radeon™ R6
GPU clock speed 350 MHz 720 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-2133
DDR3L-1600
Intel Core i7 6700K
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AMD A8 6th Gen A8-8600P
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