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Differences What are the advantages of each

Front view of AMD Athlon II X4 651K

Reasons to consider the
AMD Athlon II X4 651K

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CPUBoss is not aware of any important advantages of the Athlon II X4 651K vs the A6 3670K.

Front view of AMD A6 3670K

Reasons to consider the
AMD A6 3670K

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required

Features Key features of the Athlon II X4 651K  vs A6 3670K 

clock speed

A6 3670K
2.7 GHz

L2 cache

overclocked clock speed (air)

A6 3670K
3.33 GHz

overclocked clock speed (water)

A6 3670K
3.59 GHz

TDP

Specifications Full list of technical specs

summary

Athlon II X4 651K  vs
A6 3670K 
Clock speed 3 GHz 2.7 GHz
Turbo clock speed None 2.7 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
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
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
Typical power consumption 81.25W 81.25W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866

details

Athlon II X4 651K  vs
A6 3670K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Transistor count 1,178,000,000 1,178,000,000
Max CPUs 1 1
Die size 228 mm² 228 mm²
Voltage range 0.91 - 1.41V 0.45 - 1.41V

overclocking

Overclock popularity 1 4
Overclocked clock speed 3.43 GHz 3.33 GHz
Overclocked clock speed (Water) 3.49 GHz 3.59 GHz
Overclocked clock speed (Air) 3.43 GHz 3.33 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6530D
Latest DirectX N/A 11.0
Number of displays supported N/A 2
GPU clock speed N/A 443 MHz
Turbo clock speed N/A 658 MHz
AMD Athlon II X4 651K
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AMD A6 3670K
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