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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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Significantly 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
Higher clock speed 1.8 GHz vs 1.6 GHz More than 10% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Front view of AMD E 350

Reasons to consider the
AMD E 350

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Much newer manufacturing process 40 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 30.2W vs 55.25W More than 45% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.5 GHz vs 2.19 GHz Around 60% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 90 °C vs 67 °C Around 35% higher Maximum operating temperature
Newer Jan, 2011 vs May, 2005 Release date over 5 years later
Much better overclocked clock speed (Water) 3.5 GHz vs 1.8 GHz Around 95% better overclocked clock speed (Water)
Significantly lower annual commercial energy cost 28.21 $/year vs 59.57 $/year 2.1x lower annual commercial energy cost
Lower annual home energy cost 12 $/year vs 16.38 $/year More than 25% lower annual home energy cost

Features Key features of the Opteron 265  vs E 350 

clock speed

Opteron 265
1.8 GHz
E 350
1.6 GHz

L2 cache

E 350
1 MB

overclocked clock speed (air)

Opteron 265
2.19 GHz
E 350
3.5 GHz

overclocked clock speed (water)

Opteron 265
1.8 GHz
E 350
3.5 GHz

TDP

E 350
18W

Specifications Full list of technical specs

summary

Opteron 265  vs
E 350 
Clock speed 1.8 GHz 1.6 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
AMD64
AMD-V
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Opteron 265  vs
E 350 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 40 nm
Max CPUs 2 1
Clock multiplier 9 8
Voltage range 1.2 - UnknownV 1.25 - 1.35V
Operating temperature 0 - 67°C Unknown - 90°C

overclocking

Overclocked clock speed 2.19 GHz 3.5 GHz
Overclocked clock speed (Water) 1.8 GHz 3.5 GHz
Overclocked clock speed (Air) 2.19 GHz 3.5 GHz

power consumption

TDP 68W 18W
Annual home energy cost 16.38 $/year 12 $/year
Annual commercial energy cost 59.57 $/year 28.21 $/year
Typical power consumption 55.25W 30.2W
AMD Opteron 265
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AMD E 350
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