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Differences What are the advantages of each

Front view of Intel Pentium 4 530

Reasons to consider the
Intel Pentium 4 530

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More threads 2 vs 1 Twice as many threads
Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed
Significantly higher Maximum operating temperature 67.7 °C vs 63 °C More than 5% higher Maximum operating temperature
Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much lower typical power consumption 36.56W vs 68.25W More than 45% lower typical power consumption
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.05 GHz vs 3.75 GHz Around 10% better overclocked clock speed (Air)
Newer May, 2010 vs Feb, 2004 Release date over 6 years later
Much lower annual commercial energy cost 39.42 $/year vs 73.58 $/year More than 45% lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 20.24 $/year More than 45% lower annual home energy cost
Better overclocked clock speed (Water) 4.28 GHz vs 4.18 GHz Almost the same

Features Key features of the Pentium 4 530  vs Sempron 145 

clock speed

Sempron 145
2.8 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 530
3.75 GHz
Sempron 145
4.05 GHz

overclocked clock speed (water)

Pentium 4 530
4.18 GHz
Sempron 145
4.28 GHz

Specifications Full list of technical specs

summary

Pentium 4 530  vs
Sempron 145 
Clock speed 3 GHz 2.8 GHz
Cores Single core Single core
Socket type
LGA 775
AM3

features

Has a NX bit No Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling No Yes

power consumption

TDP 84W 45W
Annual home energy cost 20.24 $/year 10.84 $/year
Annual commercial energy cost 73.58 $/year 39.42 $/year
Typical power consumption 68.25W 36.56W

bus

Clock speed 800 MHz 2,000 MHz

details

Pentium 4 530  vs
Sempron 145 
Architecture x86 x86-64
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 1 1
Voltage range 1.2 - 1.43V 0.82 - 1.35V
Operating temperature Unknown - 67.7°C Unknown - 63°C

overclocking

Overclocked clock speed 3.75 GHz 4.05 GHz
Overclocked clock speed (Water) 4.18 GHz 4.28 GHz
Overclocked clock speed (Air) 3.75 GHz 4.05 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 4 530
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AMD Sempron 145
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