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Differences What are the advantages of each

Front view of AMD Opteron 265

Reasons to consider the
AMD Opteron 265

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of AMD Athlon II X2 260

Reasons to consider the
AMD Athlon II X2 260

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.2 GHz vs 1.8 GHz Around 80% higher clock speed
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Much better overclocked clock speed (Air) 3.84 GHz vs 2.19 GHz More than 75% better overclocked clock speed (Air)
Newer May, 2010 vs Jan, 2005 Release date over 5 years later
Much better overclocked clock speed (Water) 3.91 GHz vs 1.8 GHz Around 2.2x better overclocked clock speed (Water)
Higher Maximum operating temperature 74 °C vs 67 °C More than 10% higher Maximum operating temperature
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost

Features Key features of the Opteron 265  vs Athlon II X2 260 

clock speed

Opteron 265
1.8 GHz

L2 cache

overclocked clock speed (air)

Opteron 265
2.19 GHz
Athlon II X2 260
3.84 GHz

overclocked clock speed (water)

Opteron 265
1.8 GHz
Athlon II X2 260
3.91 GHz

Specifications Full list of technical specs

summary

Opteron 265  vs
Athlon II X2 260 
Clock speed 1.8 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
940
AM3

features

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

details

Opteron 265  vs
Athlon II X2 260 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 2 1
Voltage range 1 - UnknownV 0.82 - 1.4V
Operating temperature 0 - 67°C Unknown - 74°C

overclocking

Overclocked clock speed 2.19 GHz 3.84 GHz
Overclocked clock speed (Water) 1.8 GHz 3.91 GHz
Overclocked clock speed (Air) 2.19 GHz 3.84 GHz

power consumption

TDP 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Typical power consumption 77.19W 52.81W
AMD Opteron 265
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AMD Athlon II X2 260
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