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Differences What are the advantages of each

Front view of Intel Xeon X7550

Reasons to consider the
Intel Xeon X7550

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Much more l3 cache 18 MB vs 8 MB 2.2x more l3 cache; more data can be stored in the l3 cache for quick access later
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 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
More l3 cache per core 2.25 MB/core vs 2 MB/core Around 15% more l3 cache per core
Front view of Intel Xeon E3-1230 v2

Reasons to consider the
Intel Xeon E3-1230 v2

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Much higher clock speed 3.3 GHz vs 2 GHz Around 65% higher clock speed
Much higher turbo clock speed 3.7 GHz vs 2.4 GHz Around 55% higher turbo clock speed
Much better overclocked clock speed (Air) 3.67 GHz vs 2.4 GHz Around 55% better overclocked clock speed (Air)
Much lower typical power consumption 56.06W vs 105.63W More than 45% lower typical power consumption
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Water) 3.5 GHz vs 2.4 GHz More than 45% better overclocked clock speed (Water)
Much lower annual commercial energy cost 60.44 $/year vs 113.88 $/year More than 45% lower annual commercial energy cost
Much lower annual home energy cost 16.62 $/year vs 31.32 $/year More than 45% lower annual home energy cost
Newer May, 2012 vs Mar, 2010 Release date over 2 years later

Features Key features of the Xeon X7550  vs E3-1230 v2 

clock speed

Xeon X7550
2 GHz
Xeon E3-1230 v2
3.3 GHz

turbo clock speed

Xeon X7550
2.4 GHz
Xeon E3-1230 v2
3.7 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon X7550
2.4 GHz
Xeon E3-1230 v2
3.67 GHz

overclocked clock speed (water)

Xeon X7550
2.4 GHz
Xeon E3-1230 v2
3.5 GHz

Specifications Full list of technical specs

summary

Xeon X7550  vs
E3-1230 v2 
Clock speed 2 GHz 3.3 GHz
Turbo clock speed 2.4 GHz 3.7 GHz
Cores Octa core Quad core
Socket type
LGA 1567
LGA 1155

features

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

power consumption

TDP 130W 69W
Annual home energy cost 31.32 $/year 16.62 $/year
Annual commercial energy cost 113.88 $/year 60.44 $/year
Typical power consumption 105.63W 56.06W

bus

Architecture QPI DMI
Number of links 4 1
Transfer rate 6,400 MT/s 5,000 MT/s

details

Xeon X7550  vs
E3-1230 v2 
Threads 16 8
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 18 MB 8 MB
L3 cache per core 2.25 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 8 1
Operating temperature Unknown - 69°C Unknown - 65.8°C

overclocking

Overclocked clock speed 2.4 GHz 3.67 GHz
Overclocked clock speed (Water) 2.4 GHz 3.5 GHz
Overclocked clock speed (Air) 2.4 GHz 3.67 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
DDR
Intel Xeon X7550
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Intel Xeon E3-1230 v2
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