AMD A6 6400K vs A4 6300

	Performance
	Benchmark performance using all cores
A6 6400K 5.3 A4 6300 4.9 Core i3 3220 8.3
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
A6 6400K 6.8 A4 6300 6.2 Core i3 3220 6.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
A6 6400K n.d. A4 6300 n.d. Core i3 3220 n.d.
Fire Strike

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
A6 6400K 7.6 A4 6300 6.8 Core i3 3220 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
A6 6400K 6.1 A4 6300 5.7 Core i3 3220 5.7
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
A6 6400K n.d. A4 6300 n.d. Core i3 3220 n.d.
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

6.4	CPUBoss Score
	Combination of all six facets
A6 6400K 6.4 A4 6300 5.9 Core i3 3220 5.3

Winner
AMD A6 6400K

CPUBoss recommends the AMD A6 6400K based on its overclocking.

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AMD A6 6400K

Front view of AMD A6 6400K

Front view of AMD A4 6300

AMD A4 6300

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Front view of AMD A6 6400K

Reasons to consider the
AMD A6 6400K

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Is unlocked

Yes

vs

No

Somewhat common; An unlocked multiplier allows for easier overclocking

Higher clock speed

3.9 GHz

vs

3.7 GHz

More than 5% higher clock speed

Much better overclocked clock speed (Air)

4.76 GHz

vs

4.43 GHz

More than 5% better overclocked clock speed (Air)

Much better overclocked clock speed (Water)

5.16 GHz

vs

3.7 GHz

Around 40% better overclocked clock speed (Water)

Front view of AMD A4 6300

Reasons to consider the
AMD A4 6300

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CPUBoss is not aware of any important advantages of the A4 6300 vs the A6 6400K.

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

34.13 mHash/s

21.25 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

0.4 fps

0.28 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

2,364

2,313

Sky Diver Data courtesy FutureMark

2,157

1,569

Cloud Gate Data courtesy FutureMark

3,375

2,633

GeekBench 3 (Multi-core) Data courtesy Primate Labs

3,328

2,972

GeekBench 3 (Single core) Data courtesy Primate Labs

2,108

1,913

GeekBench 3 (AES single core) Data courtesy Primate Labs

2,380,000 MB/s

2,090,000 MB/s

summary	A6 6400K	vs	A4 6300
Clock speed	3.9 GHz		3.7 GHz
Turbo clock speed	4.1 GHz		3.9 GHz
Cores	Dual core		Dual core
Is unlocked	Yes		No
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
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	65W		65W
Annual home energy cost	15.66 $/year		15.66 $/year
Annual commercial energy cost	56.94 $/year		56.94 $/year
Performance per watt	7.25 pt/W		6.46 pt/W
Typical power consumption	52.81W		52.81W

details	A6 6400K	vs	A4 6300
Architecture	x86-64		x86-64
Threads	2		2
L2 cache	1 MB		1 MB
L2 cache per core	0.5 MB/core		0.5 MB/core
L3 cache	None		None
Manufacture process	32 nm		32 nm
Max CPUs	1		1
Operating temperature	Unknown - 70°C		Unknown - 70°C
overclocking
Overclocked clock speed	4.76 GHz		4.43 GHz
Overclocked clock speed (Water)	5.16 GHz		3.7 GHz
Overclocked clock speed (Air)	4.76 GHz		4.43 GHz
integrated graphics
GPU	GPU		GPU
Label	Radeon™ HD 8470D		Radeon™ HD 8370D
Latest DirectX	11.0		11.0
GPU clock speed	800 MHz		760 MHz
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1866
DDR3-1600

AMD A6 6400K

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AMD A4 6300

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