CPUBoss Review Our evaluation of 6600K vs 5800K among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

A8 6600K
6.2
A10 5800K
6.4
FX 6300
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

A8 6600K
6.7
A10 5800K
6.7
FX 6300
6.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

A8 6600K
7.7
A10 5800K
9.8
FX 6300
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

A8 6600K
6.9
A10 5800K
7.5
FX 6300
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

A8 6600K
8.1
A10 5800K
8.5
FX 6300
6.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

A8 6600K
n.d.
A10 5800K
9.6
FX 6300
6.5
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

9.2

CPUBoss Score

Combination of all six facets

A8 6600K
8.4
A10 5800K
9.2
FX 6300
5.8

Winner
AMD A8 6600K 

CPUBoss recommends the AMD A8 6600K  based on its .

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Differences What are the advantages of each

Front view of AMD A8 6600K

Reasons to consider the
AMD A8 6600K

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Slightly higher clock speed 3.9 GHz vs 3.8 GHz Around 5% higher clock speed
Higher GPU clock speed 844 MHz vs 800 MHz More than 5% higher GPU clock speed
Better cinebench r10 32Bit 1-core score 4,148 vs 4,083 Almost the same
Better overclocked clock speed (Air) 4.68 GHz vs 4.49 GHz Around 5% better overclocked clock speed (Air)
Newer Jun, 2013 vs Oct, 2012 Release date 8 months later
Better overclocked clock speed (Water) 4.76 GHz vs 4.59 GHz Around 5% better overclocked clock speed (Water)
Front view of AMD A10 5800K

Reasons to consider the
AMD A10 5800K

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Much better cloud gate score 6,939 vs 5,091 More than 35% better cloud gate score
Much better CompuBench 1.5 video composition score 16.04 fps vs 10.47 fps Around 55% better CompuBench 1.5 video composition score
Significantly better performance per dollar 7.12 pt/$ vs 6.82 pt/$ Around 5% better performance per dollar
Slightly better performance per watt 6.05 pt/W vs 5.5 pt/W More than 10% better performance per watt

Benchmarks Real world tests of A8 6600K vs A10 5800K

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

A8 6600K
45.24 mHash/s
A10 5800K
64.24 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

A8 6600K
0.7 fps
A10 5800K
0.7 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

A8 6600K
2,878
A10 5800K
2,974

Sky Diver Data courtesy FutureMark

A8 6600K
2,836
A10 5800K
3,597

Cloud Gate Data courtesy FutureMark

A8 6600K
5,091
A10 5800K
6,939

GeekBench 3 (Multi-core) Data courtesy Primate Labs

A8 6600K
6,071
A10 5800K
6,004

GeekBench 3 (Single core) Data courtesy Primate Labs

A8 6600K
2,132
A10 5800K
2,093

GeekBench 3 (AES single core) Data courtesy Primate Labs

A8 6600K
2,330,000 MB/s
A10 5800K
2,340,000 MB/s

Specifications Full list of technical specs

summary

A8 6600K  vs
A10 5800K 
Clock speed 3.9 GHz 3.8 GHz
Turbo clock speed 4.2 GHz 4.2 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
XOP
AVX
SSE3
SSE
BMI1
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 100W 100W
Annual home energy cost 24.09 $/year 24.09 $/year
Annual commercial energy cost 87.6 $/year 87.6 $/year
Performance per watt 5.5 pt/W 6.05 pt/W
Typical power consumption 81.25W 81.25W

details

A8 6600K  vs
A10 5800K 
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache None 1 MB
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 74°C Unknown - 74°C

overclocking

Overclocked clock speed 4.68 GHz 4.49 GHz
Overclocked clock speed (Water) 4.76 GHz 4.59 GHz
PassMark (Overclocked) 3,459.4 2,959.6
Overclocked clock speed (Air) 4.68 GHz 4.49 GHz

integrated graphics

GPU GPU GPU
Label Radeon™ HD 8570D Radeon™ HD 7660D
Latest DirectX 11.0 11.0
GPU clock speed 844 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
AMD A8 6600K
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AMD A10 5800K
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