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Differences What are the advantages of each

Front view of Intel Xeon E5-2690

Reasons to consider the
Intel Xeon E5-2690

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Much more l3 cache 20 MB vs 1 MB 20x more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher clock speed 2.9 GHz vs 2.6 GHz More than 10% higher clock speed
More cores 8 vs 2 6 more cores; run more applications at once
More threads 16 vs 2 14 more threads
Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2.5 MB/core vs 0.5 MB/core 5x more l3 cache per core
Much better overclocked clock speed (Air) 3.53 GHz vs 2.91 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.92 GHz vs 2.6 GHz More than 50% better overclocked clock speed (Water)
Newer Mar, 2012 vs Aug, 2006 Release date over 5 years later
Front view of AMD Opteron 8218

Reasons to consider the
AMD Opteron 8218

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Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Significantly lower typical power consumption 77.19W vs 109.69W Around 30% lower typical power consumption
Significantly lower annual commercial energy cost 83.22 $/year vs 118.26 $/year Around 30% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 32.52 $/year Around 30% lower annual home energy cost

Features Key features of the Xeon E5-2690  vs Opteron 8218 

clock speed

Xeon E5-2690
2.9 GHz
Opteron 8218
2.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E5-2690
3.53 GHz
Opteron 8218
2.91 GHz

overclocked clock speed (water)

Xeon E5-2690
3.92 GHz
Opteron 8218
2.6 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E5-2690  vs
Opteron 8218 
Clock speed 2.9 GHz 2.6 GHz
Cores Octa core Dual core
Socket type
LGA 2011
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 135W 95W
Annual home energy cost 32.52 $/year 22.89 $/year
Annual commercial energy cost 118.26 $/year 83.22 $/year
Typical power consumption 109.69W 77.19W

details

Xeon E5-2690  vs
Opteron 8218 
Threads 16 2
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 20 MB 1 MB
L3 cache per core 2.5 MB/core 0.5 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 2 8
Operating temperature Unknown - 72°C 0 - 55°C

overclocking

Overclocked clock speed 3.53 GHz 2.91 GHz
Overclocked clock speed (Water) 3.92 GHz 2.6 GHz
Overclocked clock speed (Air) 3.53 GHz 2.91 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
Intel Xeon E5-2690
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AMD Opteron 8218
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