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Differences What are the advantages of each

Front view of AMD Athlon XP-M 1800+

Reasons to consider the
AMD Athlon XP-M 1800+

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CPUBoss is not aware of any important advantages of the Athlon XP-M 1800+ vs the Athlon II X4 640.

Front view of AMD Athlon II X4 640

Reasons to consider the
AMD Athlon II X4 640

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Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 1.4 GHz Around 2.2x higher clock speed
Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads

Features Key features of the Athlon XP-M 1800+  vs II X4 640 

clock speed

L2 cache

Specifications Full list of technical specs

summary

Athlon XP-M 1800+  vs
II X4 640 
Clock speed 1.4 GHz 3 GHz
Cores Single core Quad core
Socket type
563
AM3

features

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

bus

Clock speed 266 MHz 2,000 MHz

details

Athlon XP-M 1800+  vs
II X4 640 
Threads 1 4
L2 cache 0.5 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 130 nm 45 nm
Max CPUs 1 1

power consumption

Typical power consumption N/A 77.19W
AMD Athlon XP-M 1800+
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AMD Athlon II X4 640
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