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Differences What are the advantages of each

Front view of Intel Pentium 4 506

Reasons to consider the
Intel Pentium 4 506

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Much newer manufacturing process 90 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Front view of AMD Opteron 242

Reasons to consider the
AMD Opteron 242

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Much lower typical power consumption 0.81W vs 68.25W 84x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 0.24 $/year vs 20.24 $/year 84x lower annual home energy cost
Much lower annual commercial energy cost 0.88 $/year vs 73.58 $/year 84x lower annual commercial energy cost

Features Key features of the Pentium 4 506  vs Opteron 242 

clock speed

Pentium 4 506
2.66 GHz
Opteron 242
1.6 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium 4 506  vs
Opteron 242 
Clock speed 2.66 GHz 1.6 GHz
Cores Single core Single core
Socket type
LGA 775
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!

details

Pentium 4 506  vs
Opteron 242 
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 130 nm
Max CPUs 1 2

power consumption

TDP 84W 1W
Annual home energy cost 20.24 $/year 0.24 $/year
Annual commercial energy cost 73.58 $/year 0.88 $/year
Typical power consumption 68.25W 0.81W
Intel Pentium 4 506
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AMD Opteron 242
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