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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 12 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 2 GHz vs 1.87 GHz More than 5% higher clock speed
Higher turbo clock speed 2.4 GHz vs 2.13 GHz Around 15% higher turbo clock speed
More threads 16 vs 12 4 more threads
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Much better overclocked clock speed (Air) 2.4 GHz vs 2 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.4 GHz vs 1.87 GHz Around 30% better overclocked clock speed (Water)
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 E7530

Reasons to consider the
Intel Xeon E7530

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Lower typical power consumption 85.31W vs 105.63W Around 20% lower typical power consumption
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Lower annual commercial energy cost 91.98 $/year vs 113.88 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 25.29 $/year vs 31.32 $/year Around 20% lower annual home energy cost

Features Key features of the Xeon X7550  vs E7530 

clock speed

Xeon X7550
2 GHz
Xeon E7530
1.87 GHz

turbo clock speed

Xeon X7550
2.4 GHz
Xeon E7530
2.13 GHz

L2 cache

L3 cache

Xeon X7550
18 MB
Xeon E7530
12 MB

overclocked clock speed (air)

Xeon X7550
2.4 GHz
Xeon E7530
2 GHz

overclocked clock speed (water)

Xeon X7550
2.4 GHz
Xeon E7530
1.87 GHz

Specifications Full list of technical specs

summary

Xeon X7550  vs
E7530 
Clock speed 2 GHz 1.87 GHz
Turbo clock speed 2.4 GHz 2.13 GHz
Cores Octa core Hexa core
Socket type
LGA 1567

features

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

power consumption

TDP 130W 105W
Annual home energy cost 31.32 $/year 25.29 $/year
Annual commercial energy cost 113.88 $/year 91.98 $/year
Typical power consumption 105.63W 85.31W

bus

Architecture QPI QPI
Number of links 4 4
Data rate 102,400 MB/s 93,856 MB/s
Transfer rate 6,400 MT/s 5,860 MT/s
Clock speed 3,200 MHz 2,930 MHz

details

Xeon X7550  vs
E7530 
Threads 16 12
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 18 MB 12 MB
L3 cache per core 2.25 MB/core 2 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 8 4
Voltage range 0.68 - 1.35V 0.68 - 1.35V
Operating temperature Unknown - 69°C Unknown - 64°C

overclocking

Overclocked clock speed 2.4 GHz 2 GHz
Overclocked clock speed (Water) 2.4 GHz 1.87 GHz
Overclocked clock speed (Air) 2.4 GHz 2 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 X7550
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Intel Xeon E7530
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