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Differences What are the advantages of each

Front view of Intel Pentium D 945

Reasons to consider the
Intel Pentium D 945

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Much newer manufacturing process 65 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 4 MB vs 0.06 MB Around 66.8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.4 GHz vs 0.85 GHz 4x higher clock speed
Much more l2 cache per core 2 MB/core vs 0.06 MB/core More than 33.2x more l2 cache per core
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much better overclocked clock speed (Air) 4.22 GHz vs 1.26 GHz More than 3.2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.59 GHz vs 0.85 GHz Around 5.5x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of AMD Duron 850

Reasons to consider the
AMD Duron 850

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CPUBoss is not aware of any important advantages of the AMD Duron 850 vs the Intel Pentium D 945.

Features Key features of the Pentium D 945  vs Duron 850 

clock speed

Pentium D 945
3.4 GHz
Duron 850
0.85 GHz

L2 cache

Duron 850
0.06 MB

overclocked clock speed (air)

Pentium D 945
4.22 GHz
Duron 850
1.26 GHz

overclocked clock speed (water)

Pentium D 945
4.59 GHz
Duron 850
0.85 GHz

Specifications Full list of technical specs

summary

Pentium D 945  vs
Duron 850 
Clock speed 3.4 GHz 0.85 GHz
Cores Dual core Single core
Socket type
LGA 775
462

features

Has a NX bit Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

bus

Clock speed 800 MHz 200 MHz

details

Pentium D 945  vs
Duron 850 
Threads 2 1
L2 cache 4 MB 0.06 MB
L2 cache per core 2 MB/core 0.06 MB/core
Manufacture process 65 nm 180 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.22 GHz 1.26 GHz
Overclocked clock speed (Water) 4.59 GHz 0.85 GHz
Overclocked clock speed (Air) 4.22 GHz 1.26 GHz

power consumption

Typical power consumption 77.19W N/A
Intel Pentium D 945
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AMD Duron 850
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