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Differences What are the advantages of each

Front view of AMD Athlon X2 5600B

Reasons to consider the
AMD Athlon X2 5600B

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Higher clock speed 2.9 GHz vs 2.8 GHz Around 5% higher clock speed
Better overclocked clock speed (Water) 2.9 GHz vs 2.8 GHz Around 5% better overclocked clock speed (Water)
Front view of AMD Athlon II X2 240

Reasons to consider the
AMD Athlon II X2 240

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Much 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 more l3 cache 1 MB vs 0.5 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 1,642 vs 1,304 More than 25% better PassMark score
Much better overclocked clock speed (Air) 3.67 GHz vs 2.9 GHz More than 25% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much more l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Higher Maximum operating temperature 74 °C vs 72 °C Around 5% higher Maximum operating temperature
Newer Jul, 2009 vs Aug, 2008 Release date 11 months later

Benchmarks Real world tests of Athlon X2 5600B vs II X2 240

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 5600B  vs
II X2 240 
Clock speed 2.9 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
AM2+
AM2
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
AES
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 1.18 pt/W 1.67 pt/W
Typical power consumption 52.81W 52.81W

details

Athlon X2 5600B  vs
II X2 240 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 0.5 MB 1 MB
L3 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 72°C Unknown - 74°C

overclocking

Overclocked clock speed 2.9 GHz 3.67 GHz
Overclocked clock speed (Water) 2.9 GHz 2.8 GHz
Overclocked clock speed (Air) 2.9 GHz 3.67 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Athlon X2 5600B
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AMD Athlon II X2 240
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