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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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Significantly higher clock speed 3 GHz vs 2.16 GHz Around 40% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.75 GHz vs 2.58 GHz More than 45% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.18 GHz vs 2.17 GHz Around 95% better overclocked clock speed (Water)
Front view of Intel Celeron N2840

Reasons to consider the
Intel Celeron N2840

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Much newer manufacturing process 22 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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 6.09W vs 68.25W 11.2x lower typical power consumption
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
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
Newer Jul, 2014 vs Feb, 2004 Release date over 10 years later
Much lower annual home energy cost 1.81 $/year vs 20.24 $/year 11.2x lower annual home energy cost
Much lower annual commercial energy cost 6.57 $/year vs 73.58 $/year 11.2x lower annual commercial energy cost
More cores 2 vs 1 Twice as many cores; run more applications at once

Features Key features of the Pentium 4 530  vs Celeron N2840 

clock speed

Celeron N2840
2.16 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 530
3.75 GHz
Celeron N2840
2.58 GHz

overclocked clock speed (water)

Pentium 4 530
4.18 GHz
Celeron N2840
2.17 GHz

Specifications Full list of technical specs

summary

Pentium 4 530  vs
Celeron N2840 
Clock speed 3 GHz 2.16 GHz
Cores Single core Dual core

features

Has a NX bit No Yes
Has virtualization support No Yes
Supports dynamic frequency scaling No Yes

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 311 MHz
Turbo clock speed N/A 792 MHz

bus

Architecture FSB FSB
Number of links 1 1

details

Pentium 4 530  vs
Celeron N2840 
Architecture x86 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.75 GHz 2.58 GHz
Overclocked clock speed (Water) 4.18 GHz 2.17 GHz
Overclocked clock speed (Air) 3.75 GHz 2.58 GHz

power consumption

TDP 84W 7.5W
Annual home energy cost 20.24 $/year 1.81 $/year
Annual commercial energy cost 73.58 $/year 6.57 $/year
Typical power consumption 68.25W 6.09W
Intel Pentium 4 530
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Intel Celeron N2840
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