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Differences What are the advantages of each

Front view of Intel Pentium 4 631

Reasons to consider the
Intel Pentium 4 631

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Much more l2 cache 2 MB vs 0 MB Compared to all cpus, 2 MB l2 cache is just OK
Significantly higher clock speed 3 GHz vs 1.8 GHz More than 65% higher clock speed
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 2 MB/core vs 0 MB/core Compared to all cpus, 2 MB/core l2 cache per core is just OK
Much better overclocked clock speed (Air) 4.36 GHz vs 2.44 GHz Around 80% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.64 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Water)
Front view of AMD Sempron 3400+

Reasons to consider the
AMD Sempron 3400+

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Much higher Maximum operating temperature 55 °C vs 1 °C 55x higher Maximum operating temperature
Significantly lower typical power consumption 50.38W vs 69.88W Around 30% lower typical power consumption
Significantly lower annual home energy cost 14.94 $/year vs 20.72 $/year Around 30% lower annual home energy cost
Significantly lower annual commercial energy cost 54.31 $/year vs 75.34 $/year Around 30% lower annual commercial energy cost
Newer May, 2006 vs Jan, 2006 Release date 4 months later

Features Key features of the Pentium 4 631  vs Sempron 3400+ 

clock speed

L2 cache

overclocked clock speed (air)

Pentium 4 631
4.36 GHz
Sempron 3400+
2.44 GHz

overclocked clock speed (water)

Pentium 4 631
4.64 GHz

Specifications Full list of technical specs

summary

Pentium 4 631  vs
Sempron 3400+ 
Clock speed 3 GHz 1.8 GHz
Cores Single core Single core
Socket type
LGA 775
AM2
754
939

features

Has a NX bit Yes Yes
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 86W 62W
Annual home energy cost 20.72 $/year 14.94 $/year
Annual commercial energy cost 75.34 $/year 54.31 $/year
Typical power consumption 69.88W 50.38W

bus

Clock speed 800 MHz 200 MHz

details

Pentium 4 631  vs
Sempron 3400+ 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 2 MB 0 MB
L2 cache per core 2 MB/core 0 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 1°C Unknown - 55°C

overclocking

Overclocked clock speed 4.36 GHz 2.44 GHz
Overclocked clock speed (Water) 4.64 GHz 2 GHz
PassMark (Overclocked) 950.2 1,043.3
Overclocked clock speed (Air) 4.36 GHz 2.44 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Pentium 4 631
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AMD Sempron 3400+
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