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Differences What are the advantages of each

Front view of Intel Xeon 5138

Reasons to consider the
Intel Xeon 5138

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Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 1 MB/core 2x more l2 cache per core
Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Front view of AMD Opteron 2218

Reasons to consider the
AMD Opteron 2218

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Much higher clock speed 2.6 GHz vs 2.13 GHz More than 20% higher clock speed
Much better overclocked clock speed (Air) 2.86 GHz vs 2.13 GHz Around 35% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.6 GHz vs 2.13 GHz More than 20% better overclocked clock speed (Water)

Features Key features of the Xeon 5138  vs Opteron 2218 

clock speed

Xeon 5138
2.13 GHz
Opteron 2218
2.6 GHz

L2 cache

overclocked clock speed (air)

Xeon 5138
2.13 GHz
Opteron 2218
2.86 GHz

overclocked clock speed (water)

Xeon 5138
2.13 GHz
Opteron 2218
2.6 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 5138  vs
Opteron 2218 
Clock speed 2.13 GHz 2.6 GHz
Cores Dual core Dual core
Socket type
LGA 771
F

features

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

power consumption

TDP 35W 95W
Annual home energy cost 8.43 $/year 22.89 $/year
Annual commercial energy cost 30.66 $/year 83.22 $/year
Typical power consumption 28.44W 77.19W

details

Xeon 5138  vs
Opteron 2218 
Threads 2 2
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 2 2
Clock multiplier 8 13
Voltage range 1 - 1.5V 1.3 - UnknownV
Operating temperature Unknown - 70.8°C 0 - 55°C

overclocking

Overclocked clock speed 2.13 GHz 2.86 GHz
Overclocked clock speed (Water) 2.13 GHz 2.6 GHz
Overclocked clock speed (Air) 2.13 GHz 2.86 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 5138
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AMD Opteron 2218
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