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Differences What are the advantages of each

Front view of AMD Athlon II XLT V66C

Reasons to consider the
AMD Athlon II XLT V66C

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Lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Slightly better overclocked clock speed (Air) 3.83 GHz vs 3.67 GHz Around 5% better overclocked clock speed (Air)
Newer Apr, 2010 vs Jul, 2009 Release date 9 months later
Lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon II X2 240

Reasons to consider the
AMD Athlon II X2 240

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Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor

Features Key features of the Athlon II XLT V66C  vs X2 240 

clock speed

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Athlon II XLT V66C  vs
X2 240 
Clock speed 2.8 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
AM3

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

bus

Clock speed 2,000 MHz 2,000 MHz

details

Athlon II XLT V66C  vs
X2 240 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.83 GHz 3.67 GHz
Overclocked clock speed (Water) 2.8 GHz 2.8 GHz
Overclocked clock speed (Air) 3.83 GHz 3.67 GHz

power consumption

TDP 45W 65W
Annual home energy cost 10.84 $/year 15.66 $/year
Annual commercial energy cost 39.42 $/year 56.94 $/year
Typical power consumption 36.56W 52.81W
AMD Athlon II XLT V66C
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AMD Athlon II X2 240
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