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Differences What are the advantages of each

Front view of Intel Pentium E5800

Reasons to consider the
Intel Pentium E5800

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Much better overclocked clock speed (Air) 4.17 GHz vs 3.17 GHz More than 30% better overclocked clock speed (Air)
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Much better overclocked clock speed (Water) 4.34 GHz vs 3.17 GHz More than 35% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Front view of Intel Core2 Quad Q9705

Reasons to consider the
Intel Core2 Quad Q9705

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More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Pentium E5800 vs Core2 Quad Q9705

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Pentium E5800  vs
Core2 Quad Q9705 
Clock speed 3.2 GHz 3.17 GHz
Cores Dual core Quad core
Socket type
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

bus

Clock speed 800 MHz 1,333 MHz

details

Pentium E5800  vs
Core2 Quad Q9705 
Threads 2 4
L2 cache 2 MB 6 MB
L2 cache per core 1 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.17 GHz 3.17 GHz
Overclocked clock speed (Water) 4.34 GHz 3.17 GHz
Overclocked clock speed (Air) 4.17 GHz 3.17 GHz

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 2.02 pt/W 1.7 pt/W
Typical power consumption 52.81W 77.19W
Intel Pentium E5800
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Intel Core2 Quad Q9705
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