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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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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
More threads 16 vs 2 14 more threads
More cores 8 vs 2 6 more cores; run more applications at once
Newer Mar, 2010 vs Jan, 2009 Release date over 1 years later
Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Significantly higher clock speed 2.93 GHz vs 2 GHz More than 45% higher clock speed
Significantly more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 52.81W vs 105.63W 2x lower typical power consumption
Much more l2 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 3.85 GHz vs 2.4 GHz More than 60% better overclocked clock speed (Air)
Much lower annual home energy cost 15.66 $/year vs 31.32 $/year 2x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 113.88 $/year 2x lower annual commercial energy cost
Much better overclocked clock speed (Water) 4.06 GHz vs 2.4 GHz Around 70% better overclocked clock speed (Water)
Higher Maximum operating temperature 74.1 °C vs 69 °C More than 5% higher Maximum operating temperature

Features Key features of the Xeon X7550  vs Core2 Duo E7500 

clock speed

Xeon X7550
2 GHz
Core2 Duo E7500
2.93 GHz

L2 cache

overclocked clock speed (air)

Xeon X7550
2.4 GHz
Core2 Duo E7500
3.85 GHz

overclocked clock speed (water)

Xeon X7550
2.4 GHz
Core2 Duo E7500
4.06 GHz

Specifications Full list of technical specs

summary

Xeon X7550  vs
Core2 Duo E7500 
Clock speed 2 GHz 2.93 GHz
Cores Octa core Dual core
Socket type
LGA 1567
LGA 775

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 65W
Annual home energy cost 31.32 $/year 15.66 $/year
Annual commercial energy cost 113.88 $/year 56.94 $/year
Typical power consumption 105.63W 52.81W

details

Xeon X7550  vs
Core2 Duo E7500 
Threads 16 2
L2 cache 2 MB 3 MB
L2 cache per core 0.25 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 8 1
Voltage range 0.68 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 69°C Unknown - 74.1°C

overclocking

Overclocked clock speed 2.4 GHz 3.85 GHz
Overclocked clock speed (Water) 2.4 GHz 4.06 GHz
Overclocked clock speed (Air) 2.4 GHz 3.85 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

bus

Architecture QPI FSB
Number of links 4 1
Clock speed 3,200 MHz 1,066 MHz
Intel Xeon X7550
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Intel Core2 Duo E7500
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