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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 0.5 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 2.2 GHz More than 35% higher clock speed
Much better PassMark score 2,160 vs 544 Around 4x better PassMark score
Much better PassMark (Single core) score 1,251 vs 653 More than 90% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,826 vs 824 Around 3.5x better geekbench 2 (32-bit) 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 0.5 MB/core 6x more l2 cache per core
Front view of AMD Athlon 64 3400+

Reasons to consider the
AMD Athlon 64 3400+

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CPUBoss is not aware of any important advantages of the AMD Athlon 64 3400+ vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon 64 3400+

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Athlon 64 3400+ 
Clock speed 3 GHz 2.2 GHz
Cores Dual core Single core
Socket type
LGA 775
939

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3

details

Core2 Duo E8400  vs
Athlon 64 3400+ 
Threads 2 1
L2 cache 6 MB 0.5 MB
L2 cache per core 3 MB/core 0.5 MB/core
Max CPUs 1 1

power consumption

Typical power consumption 52.81W N/A
Intel Core2 Duo E8400
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AMD Athlon 64 3400+
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