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Differences What are the advantages of each

Front view of AMD Turion II Neo K665

Reasons to consider the
AMD Turion II Neo K665

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Much lower typical power consumption 12.19W vs 152.93W 12.5x lower typical power consumption
Much lower annual home energy cost 3.61 $/year vs 54.06 $/year 15x lower annual home energy cost
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 13.14 $/year vs 152.42 $/year 11.6x lower annual commercial energy cost
Newer May, 2010 vs Nov, 2009 Release date 6 months later
Front view of AMD Phenom II X4 965

Reasons to consider the
AMD Phenom II X4 965

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.4 GHz vs 1.7 GHz 2x higher clock speed
Much better overclocked clock speed (Air) 4.05 GHz vs 1.7 GHz Around 2.5x better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.22 GHz vs 1.7 GHz Around 2.5x better overclocked clock speed (Water)
More threads 4 vs 2 Twice as many threads

Features Key features of the Turion II Neo K665  vs Phenom II X4 965 

clock speed

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Turion II Neo K665  vs
Phenom II X4 965 
Clock speed 1.7 GHz 3.4 GHz
Cores Dual core Quad core
Socket type
S1
AM3
Is unlocked No Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 15W 140W
Annual home energy cost 3.61 $/year 54.06 $/year
Annual commercial energy cost 13.14 $/year 152.42 $/year
Typical power consumption 12.19W 152.93W

details

Turion II Neo K665  vs
Phenom II X4 965 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.7 GHz 4.05 GHz
Overclocked clock speed (Water) 1.7 GHz 4.22 GHz
Overclocked clock speed (Air) 1.7 GHz 4.05 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

bus

Clock speed 1,600 MHz 2,000 MHz
AMD Turion II Neo K665
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AMD Phenom II X4 965
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