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Differences What are the advantages of each

Front view of Intel Pentium 753

Reasons to consider the
Intel Pentium 753

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 4.47W vs 68.25W 15.3x 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
Much more l2 cache per core 2 MB/core vs 1 MB/core 2x more l2 cache per core
Much lower annual home energy cost 1.32 $/year vs 20.24 $/year 15.3x lower annual home energy cost
Much lower annual commercial energy cost 4.82 $/year vs 73.58 $/year 15.3x lower annual commercial energy cost
Newer Jan, 2005 vs Apr, 2004 Release date 9 months later
Front view of Intel Pentium 4 520J

Reasons to consider the
Intel Pentium 4 520J

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Much higher clock speed 2.8 GHz vs 1.2 GHz More than 2.2x higher clock speed
Much better overclocked clock speed (Air) 3.77 GHz vs 1.24 GHz More than 3x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.16 GHz vs 1.2 GHz Around 3.5x better overclocked clock speed (Water)

Features Key features of the Pentium 753  vs 4 520J 

clock speed

Pentium 753
1.2 GHz
Pentium 4 520J
2.8 GHz

L2 cache

overclocked clock speed (air)

Pentium 753
1.24 GHz
Pentium 4 520J
3.77 GHz

overclocked clock speed (water)

Pentium 753
1.2 GHz
Pentium 4 520J
4.16 GHz

Specifications Full list of technical specs

summary

Pentium 753  vs
4 520J 
Clock speed 1.2 GHz 2.8 GHz
Cores Single core Single core
Socket type
479
LGA 775

features

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

power consumption

TDP 5.5W 84W
Annual home energy cost 1.32 $/year 20.24 $/year
Annual commercial energy cost 4.82 $/year 73.58 $/year
Typical power consumption 4.47W 68.25W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 400 MHz 800 MHz

details

Pentium 753  vs
4 520J 
Architecture x86 x86
Threads 1 2
L2 cache 2 MB 1 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 90 nm 90 nm
Transistor count 144,000,000 125,000,000
Max CPUs 1 1
Clock multiplier 12 14
Voltage range 0.81 - 0.96V 1.29 - 1.4V

overclocking

Overclocked clock speed 1.24 GHz 3.77 GHz
Overclocked clock speed (Water) 1.2 GHz 4.16 GHz
Overclocked clock speed (Air) 1.24 GHz 3.77 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 753
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Intel Pentium 4 520J
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