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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 newer manufacturing process 45 nm vs 180 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 6 MB vs 0.06 MB More than 100x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 0.8 GHz 3.8x higher clock speed
Much better overclocked clock speed (Air) 4.22 GHz vs 1.09 GHz More than 3.8x better overclocked clock speed (Air)
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 0.06 MB/core 50x 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 (Water) 4.23 GHz vs 0.8 GHz More than 5.2x better overclocked clock speed (Water)
Front view of AMD Duron 800

Reasons to consider the
AMD Duron 800

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CPUBoss is not aware of any important advantages of the AMD Duron 800 vs the Intel Core2 Duo E8400.

Features Key features of the Core2 Duo E8400  vs Duron 800 

clock speed

Duron 800
0.8 GHz

L2 cache

Duron 800
0.06 MB

overclocked clock speed (air)

Core2 Duo E8400
4.22 GHz
Duron 800
1.09 GHz

overclocked clock speed (water)

Core2 Duo E8400
4.23 GHz
Duron 800
0.8 GHz

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Duron 800 
Clock speed 3 GHz 0.8 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

bus

Clock speed 1,333 MHz 200 MHz

details

Core2 Duo E8400  vs
Duron 800 
Threads 2 1
L2 cache 6 MB 0.06 MB
L2 cache per core 3 MB/core 0.06 MB/core
Manufacture process 45 nm 180 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.22 GHz 1.09 GHz
Overclocked clock speed (Water) 4.23 GHz 0.8 GHz
Overclocked clock speed (Air) 4.22 GHz 1.09 GHz

power consumption

Typical power consumption 52.81W N/A
Intel Core2 Duo E8400
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AMD Duron 800
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