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Differences What are the advantages of each

Front view of Intel Pentium 4 505J

Reasons to consider the
Intel Pentium 4 505J

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Significantly higher clock speed 2.66 GHz vs 1.86 GHz Around 45% higher clock speed
Front view of Intel Celeron 540

Reasons to consider the
Intel Celeron 540

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 24.38W vs 68.25W 2.8x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 67.7 °C Around 50% higher Maximum operating temperature
Newer Jul, 2007 vs Jan, 2005 Release date over 2 years later
Much lower annual home energy cost 7.23 $/year vs 20.24 $/year 2.8x lower annual home energy cost
Much lower annual commercial energy cost 26.28 $/year vs 73.58 $/year 2.8x lower annual commercial energy cost

Features Key features of the Pentium 4 505J  vs Celeron 540 

clock speed

Pentium 4 505J
2.66 GHz
Celeron 540
1.86 GHz

L2 cache

Specifications Full list of technical specs

summary

Pentium 4 505J  vs
Celeron 540 
Clock speed 2.66 GHz 1.86 GHz
Cores Single core Single core
Socket type
LGA 775
478

features

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

power consumption

TDP 84W 30W
Annual home energy cost 20.24 $/year 7.23 $/year
Annual commercial energy cost 73.58 $/year 26.28 $/year
Typical power consumption 68.25W 24.38W

details

Pentium 4 505J  vs
Celeron 540 
Architecture x86-64 x86-64
Threads 1 1
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 65 nm
Transistor count 125,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 20 14
Voltage range 1.25 - 1.4V 0.95 - 1.3V
Operating temperature Unknown - 67.7°C Unknown - 100°C

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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 533 MHz 533 MHz
Intel Pentium 4 505J
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Intel Celeron 540
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