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Differences What are the advantages of each

Front view of Intel Xeon 5080

Reasons to consider the
Intel Xeon 5080

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Higher clock speed 3.73 GHz vs 3.16 GHz Around 20% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 4 vs 2 Twice as many threads
Higher Maximum operating temperature 78 °C vs 72.4 °C Around 10% higher Maximum operating temperature
Front view of Intel Core2 Duo E8500

Reasons to consider the
Intel Core2 Duo E8500

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Much more l2 cache 6 MB vs 4 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 52.81W vs 105.63W 2x lower typical power consumption
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
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
Better overclocked clock speed (Water) 4.42 GHz vs 3.73 GHz Around 20% better overclocked clock speed (Water)

Features Key features of the Xeon 5080  vs Core2 Duo E8500 

clock speed

Xeon 5080
3.73 GHz
Core2 Duo E8500
3.16 GHz

L2 cache

overclocked clock speed (air)

Xeon 5080
4.33 GHz
Core2 Duo E8500
4.46 GHz

overclocked clock speed (water)

Xeon 5080
3.73 GHz
Core2 Duo E8500
4.42 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 5080  vs
Core2 Duo E8500 
Clock speed 3.73 GHz 3.16 GHz
Cores Dual core Dual core
Socket type
LGA 771
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 1,333 MHz

details

Xeon 5080  vs
Core2 Duo E8500 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 MB 6 MB
L2 cache per core 2 MB/core 3 MB/core
Manufacture process 65 nm 45 nm
Transistor count 376,000,000 410,000,000
Max CPUs 2 1
Clock multiplier 14 9
Voltage range 1.07 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 78°C Unknown - 72.4°C

overclocking

Overclocked clock speed 4.33 GHz 4.46 GHz
Overclocked clock speed (Water) 3.73 GHz 4.42 GHz
Overclocked clock speed (Air) 4.33 GHz 4.46 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 5080
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Intel Core2 Duo E8500
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