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Differences What are the advantages of each

Front view of Intel Xeon E7330

Reasons to consider the
Intel Xeon E7330

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Much more l2 cache 6 MB vs 2 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 32 vs 8 24 supports more CPUs in SMP configuration
Much more l2 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l2 cache per core
Front view of AMD Opteron 8387

Reasons to consider the
AMD Opteron 8387

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Much higher clock speed 2.8 GHz vs 2.4 GHz More than 15% higher clock speed
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 2.8 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.8 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Water)
Newer Feb, 2009 vs Sep, 2007 Release date over 1 years later

Features Key features of the Xeon E7330  vs Opteron 8387 

clock speed

Xeon E7330
2.4 GHz
Opteron 8387
2.8 GHz

L2 cache

overclocked clock speed (air)

Xeon E7330
2.4 GHz
Opteron 8387
2.8 GHz

overclocked clock speed (water)

Xeon E7330
2.4 GHz
Opteron 8387
2.8 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E7330  vs
Opteron 8387 
Clock speed 2.4 GHz 2.8 GHz
Cores Quad core Quad core
Socket type
604
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 75W
Annual home energy cost 19.27 $/year 18.07 $/year
Annual commercial energy cost 70.08 $/year 65.7 $/year
Typical power consumption 65W 60.94W

bus

Architecture FSB HyperTransport 3.0
Clock speed 1,066 MHz 2,200 MHz

details

Xeon E7330  vs
Opteron 8387 
Threads 4 4
L2 cache 6 MB 2 MB
L2 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 32 8
Clock multiplier 9 14
Voltage range 1 - 1.5V 1.32 - UnknownV
Operating temperature Unknown - 66°C 0 - 55°C

overclocking

Overclocked clock speed 2.4 GHz 2.8 GHz
Overclocked clock speed (Water) 2.4 GHz 2.8 GHz
Overclocked clock speed (Air) 2.4 GHz 2.8 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 E7330
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AMD Opteron 8387
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