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Differences What are the advantages of each

Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Much higher turbo clock speed 3.4 GHz vs 0 GHz Compared to all cpus, 3.4 GHz turbo clock speed is just OK
Much higher clock speed 3.1 GHz vs 1.9 GHz Around 65% higher clock speed
Much more l3 cache 8 MB vs None Compared to all cpus, 8 MB l3 cache is just OK
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of AMD Opteron X2100 Series X2150

Reasons to consider the
AMD Opteron X2100 Series X2150

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Much 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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 17.88W vs 65W 3.6x lower typical power consumption
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual commercial energy cost 19.27 $/year vs 70.08 $/year 3.6x lower annual commercial energy cost
Much lower annual home energy cost 5.3 $/year vs 19.27 $/year 3.6x lower annual home energy cost

Features Key features of the Xeon E3-1220  vs Opteron X2100 Series X2150 

Specifications Full list of technical specs

summary

Xeon E3-1220  vs
Opteron X2100 Series X2150 
Clock speed 3.1 GHz 1.9 GHz
Turbo clock speed 3.4 GHz 0 GHz
Cores Quad core Quad core

features

Has virtualization support Yes No

power consumption

TDP 80W 22W
Annual home energy cost 19.27 $/year 5.3 $/year
Annual commercial energy cost 70.08 $/year 19.27 $/year
Typical power consumption 65W 17.88W

details

Xeon E3-1220  vs
Opteron X2100 Series X2150 
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB None
Manufacture process 32 nm 28 nm

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 8400
GPU clock speed N/A 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Intel Xeon E3-1220
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AMD Opteron X2100 Series X2150
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