CPUBoss Review Our evaluation of 6600K vs 5600K among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 6600K 

CPUBoss recommends the Intel Core i5 6600K  based on its performance and single-core performance.

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VS

Intel Core i5 6600K

CPUBoss Winner
Front view of Intel Core i5 6600K

Differences What are the advantages of each

Front view of Intel Core i5 6600K

Reasons to consider the
Intel Core i5 6600K

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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
Much better cinebench r10 32Bit 1-core score 8,372 vs 3,897 Around 2.2x better cinebench r10 32Bit 1-core score
More l3 cache 6 MB vs 0.5 MB 12x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 1.5 MB/core vs 0.13 MB/core 12x more l3 cache per core
Better geekbench 3 single core score 3,134 vs 1,989 Around 60% better geekbench 3 single core score
Newer Jul, 2015 vs Oct, 2012 Release date over 2 years later
Significantly better cinebench r10 32Bit score 29,116 vs 12,403 More than 2.2x better cinebench r10 32Bit score
Better PassMark score 8,012 vs 4,326 More than 85% better PassMark score
Front view of AMD A8 5600K

Reasons to consider the
AMD A8 5600K

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better performance per dollar 6.07 pt/$ vs 1.17 pt/$ Around 5.2x better performance per dollar
Much higher GPU clock speed 760 MHz vs 350 MHz Around 2.2x higher GPU clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Higher Maximum operating temperature 74 °C vs 64 °C More than 15% higher Maximum operating temperature
Better performance per watt 4.86 pt/W vs 2.4 pt/W More than 2x better performance per watt

Benchmarks Real world tests of Core i5 6600K vs A8 5600K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 6600K
35.31 mHash/s
A8 5600K
41.89 mHash/s

CompuBench 1.5 (Face detection)

Core i5 6600K
25.92 mPixels/s
A8 5600K
4.72 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 6600K
1.91 fps
A8 5600K
0.49 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 5600K
5,682

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 5600K
1,989

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 6600K
209.7 MB/s
A8 5600K
2,210,000 MB/s

PassMark Data courtesy Passmark

A8 5600K
4,326

PassMark (Single Core)

A8 5600K
1,377

Specifications Full list of technical specs

summary

Core i5 6600K  vs
A8 5600K 
Clock speed 3.5 GHz 3.6 GHz
Turbo clock speed 3.9 GHz 3.9 GHz
Cores Quad core Quad core
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 91W 100W
Annual home energy cost 21.92 $/year 24.09 $/year
Annual commercial energy cost 79.72 $/year 87.6 $/year
Performance per watt 2.4 pt/W 4.86 pt/W
Typical power consumption 73.94W 81.25W

details

Core i5 6600K  vs
A8 5600K 
Threads 4 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 0.5 MB
L3 cache per core 1.5 MB/core 0.13 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 64°C Unknown - 74°C

overclocking

Overclocked clock speed 4.54 GHz 4.29 GHz
Overclocked clock speed (Water) 4.55 GHz 4.7 GHz
Overclocked clock speed (Air) 4.54 GHz 4.29 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 530 Radeon™ HD 7560D
GPU clock speed 350 MHz 760 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3L-1600
Intel Core i5 6600K
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AMD A8 5600K
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