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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 1.58 GHz Around 90% higher clock speed
Much better PassMark score 2,160 vs 464 Around 4.8x better PassMark score
Much better PassMark (Single core) score 1,251 vs 622 More than 2x better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.22 GHz vs 2.04 GHz More than 2x 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 0.25 MB/core 12x more l2 cache per core
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much better overclocked clock speed (Water) 4.23 GHz vs 1.58 GHz Around 2.8x better overclocked clock speed (Water)
Newer Jan, 2008 vs Jul, 2004 Release date over 3 years later
Front view of AMD Sempron 2300+

Reasons to consider the
AMD Sempron 2300+

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CPUBoss is not aware of any important advantages of the AMD Sempron 2300+ vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Sempron 2300+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Sempron 2300+ 
Clock speed 3 GHz 1.58 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 333 MHz

details

Core2 Duo E8400  vs
Sempron 2300+ 
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

overclocking

Overclocked clock speed 4.22 GHz 2.04 GHz
Overclocked clock speed (Water) 4.23 GHz 1.58 GHz
Overclocked clock speed (Air) 4.22 GHz 2.04 GHz

power consumption

Typical power consumption 52.81W N/A
Intel Core2 Duo E8400
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AMD Sempron 2300+
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