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Differences What are the advantages of each

Front view of Intel Pentium D 805

Reasons to consider the
Intel Pentium D 805

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Much newer manufacturing process 90 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 2 MB vs 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.66 GHz vs 1.8 GHz Around 50% higher clock speed
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.5 GHz vs 2.38 GHz More than 45% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Significantly better overclocked clock speed (Water) 2.66 GHz vs 1.8 GHz Around 50% better overclocked clock speed (Water)
Front view of AMD Athlon XP-M 2200+

Reasons to consider the
AMD Athlon XP-M 2200+

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Much lower typical power consumption 21.94W vs 77.19W 3.5x lower typical power consumption
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much lower annual home energy cost 6.5 $/year vs 22.89 $/year 3.5x lower annual home energy cost
Much lower annual commercial energy cost 23.65 $/year vs 83.22 $/year 3.5x lower annual commercial energy cost

Features Key features of the Pentium D 805  vs Athlon XP-M 2200+ 

clock speed

Pentium D 805
2.66 GHz

L2 cache

overclocked clock speed (air)

Pentium D 805
3.5 GHz

overclocked clock speed (water)

Pentium D 805
2.66 GHz

Specifications Full list of technical specs

summary

Pentium D 805  vs
Athlon XP-M 2200+ 
Clock speed 2.66 GHz 1.8 GHz
Cores Dual core Single core
Socket type
LGA 775
563
462

features

Has a NX bit Yes No
Supports dynamic frequency scaling No Yes

power consumption

TDP 95W 27W
Annual home energy cost 22.89 $/year 6.5 $/year
Annual commercial energy cost 83.22 $/year 23.65 $/year
Typical power consumption 77.19W 21.94W

details

Pentium D 805  vs
Athlon XP-M 2200+ 
Threads 2 1
L2 cache 2 MB 0.25 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 90 nm 130 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.5 GHz 2.38 GHz
Overclocked clock speed (Water) 2.66 GHz 1.8 GHz
Overclocked clock speed (Air) 3.5 GHz 2.38 GHz

bus

Clock speed 533 MHz 266 MHz
Intel Pentium D 805
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AMD Athlon XP-M 2200+
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