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Differences What are the advantages of each

Front view of Intel Xeon E3-1220LV2

Reasons to consider the
Intel Xeon E3-1220LV2

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Much higher clock speed 2.3 GHz vs 1.8 GHz Around 30% higher clock speed
Significantly newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 13.81W vs 44.69W 3.2x lower typical power consumption
More l3 cache 3 MB vs 2 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
Newer May, 2012 vs Sep, 2007 Release date over 4 years later
Significantly lower annual commercial energy cost 14.89 $/year vs 48.18 $/year 3.2x lower annual commercial energy cost
Significantly lower annual home energy cost 4.1 $/year vs 13.25 $/year 3.2x lower annual home energy cost
Front view of AMD Opteron 2346 HE

Reasons to consider the
AMD Opteron 2346 HE

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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
More cores 4 vs 2 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration

Features Key features of the Xeon E3-1220LV2  vs Opteron 2346 HE 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E3-1220LV2  vs
Opteron 2346 HE 
Clock speed 2.3 GHz 1.8 GHz
Cores Dual core Quad core
Socket type
LGA 1155
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 55W
Annual home energy cost 4.1 $/year 13.25 $/year
Annual commercial energy cost 14.89 $/year 48.18 $/year
Typical power consumption 13.81W 44.69W

details

Xeon E3-1220LV2  vs
Opteron 2346 HE 
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 2
Clock multiplier 22 9
Operating temperature Unknown - 77.5°C 0 - 55°C

overclocking

Overclocked clock speed 1.8 GHz 1.8 GHz
Overclocked clock speed (Water) 1.8 GHz 1.8 GHz
Overclocked clock speed (Air) 1.8 GHz 1.8 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 E3-1220LV2
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AMD Opteron 2346 HE
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