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Differences What are the advantages of each

Front view of AMD Opteron 8218

Reasons to consider the
AMD Opteron 8218

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Much higher clock speed 2.6 GHz vs 2.1 GHz Around 25% higher clock speed
Much better overclocked clock speed (Air) 2.91 GHz vs 2.1 GHz Around 40% 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
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Much better overclocked clock speed (Water) 2.6 GHz vs 2.1 GHz Around 25% better overclocked clock speed (Water)
Front view of AMD Opteron 2425 HE

Reasons to consider the
AMD Opteron 2425 HE

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More cores 6 vs 2 Three times as many cores; run more applications at once
Much more l3 cache 6 MB vs 1 MB 6x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 6 vs 2 Three times as many threads
Significantly lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
More l3 cache per core 1 MB/core vs 0.5 MB/core 2x more l3 cache per core
Significantly lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Significantly lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Newer Jul, 2009 vs Aug, 2006 Release date over 2 years later

Features Key features of the Opteron 8218  vs 2425 HE 

clock speed

Opteron 8218
2.6 GHz
Opteron 2425 HE
2.1 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 8218
2.91 GHz
Opteron 2425 HE
2.1 GHz

overclocked clock speed (water)

Opteron 8218
2.6 GHz
Opteron 2425 HE
2.1 GHz

Specifications Full list of technical specs

summary

Opteron 8218  vs
2425 HE 
Clock speed 2.6 GHz 2.1 GHz
Cores Dual core Hexa core
Socket type
F
Is unlocked No No

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 95W 55W
Annual home energy cost 22.89 $/year 13.25 $/year
Annual commercial energy cost 83.22 $/year 48.18 $/year
Typical power consumption 77.19W 44.69W

details

Opteron 8218  vs
2425 HE 
Threads 2 6
L2 cache 2 MB 3 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 1 MB 6 MB
L3 cache per core 0.5 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 8 2
Operating temperature 0 - 55°C 0 - 55°C

overclocking

Overclocked clock speed 2.91 GHz 2.1 GHz
Overclocked clock speed (Water) 2.6 GHz 2.1 GHz
Overclocked clock speed (Air) 2.91 GHz 2.1 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 Opteron 8218
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AMD Opteron 2425 HE
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