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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 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Significantly better overclocked clock speed (Air) 4.22 GHz vs 3.94 GHz More than 5% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.23 GHz vs 2.5 GHz Around 70% better overclocked clock speed (Water)
Front view of AMD Sempron X2 190

Reasons to consider the
AMD Sempron X2 190

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Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Newer Aug, 2011 vs Jan, 2008 Release date over 3 years later
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs Sempron X2 190

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
Sempron X2 190
95.4 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
Sempron X2 190 
Clock speed 3 GHz 2.5 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

bus

Clock speed 1,333 MHz 2,000 MHz

details

Core2 Duo E8400  vs
Sempron X2 190 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.22 GHz 3.94 GHz
Overclocked clock speed (Water) 4.23 GHz 2.5 GHz
Overclocked clock speed (Air) 4.22 GHz 3.94 GHz

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 1.83 pt/W 1.4 pt/W
Typical power consumption 52.81W 36.56W
Intel Core2 Duo E8400
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AMD Sempron X2 190
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