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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 0.25 MB 24x more l2 cache; more data can be stored in the l2 cache for quick access later
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 1.33 GHz More than 2.2x higher clock speed
Much better PassMark score 2,160 vs 282 Around 7.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Front view of AMD Athlon XP 1500+

Reasons to consider the
AMD Athlon XP 1500+

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CPUBoss is not aware of any important advantages of the AMD Athlon XP 1500+ vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon XP 1500+

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon XP 1500+ 
Clock speed 3 GHz 1.33 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
SSE4.1
3DNow!
Supplemental SSE3

details

Core2 Duo E8400  vs
Athlon XP 1500+ 
Threads 2 1
L2 cache 6 MB 0.25 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1

power consumption

Typical power consumption 52.81W N/A

bus

Clock speed 1,333 MHz 266 MHz
Intel Core2 Duo E8400
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AMD Athlon XP 1500+
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