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Differences What are the advantages of each

Front view of Intel Pentium 4 561

Reasons to consider the
Intel Pentium 4 561

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Much higher clock speed 3.6 GHz vs 1.5 GHz Around 2.5x higher clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 4.06 GHz vs 1.5 GHz Around 2.8x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Water) 3.6 GHz vs 1.5 GHz Around 2.5x better overclocked clock speed (Water)
Front view of Intel Celeron 1007U

Reasons to consider the
Intel Celeron 1007U

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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
Much lower typical power consumption 13.81W vs 93.44W 6.8x 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 virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 105 °C vs 72.8 °C Around 45% higher Maximum operating temperature
Newer Jan, 2013 vs Jul, 2005 Release date over 7 years later
Much lower annual home energy cost 4.1 $/year vs 27.7 $/year 6.8x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 100.74 $/year 6.8x 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 4 561  vs Celeron 1007U 

clock speed

Pentium 4 561
3.6 GHz
Celeron 1007U
1.5 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 561
4.06 GHz
Celeron 1007U
1.5 GHz

overclocked clock speed (water)

Pentium 4 561
3.6 GHz
Celeron 1007U
1.5 GHz

Specifications Full list of technical specs

summary

Pentium 4 561  vs
Celeron 1007U 
Clock speed 3.6 GHz 1.5 GHz
Cores Single core Dual core
Socket type
LGA 775
BGA 1023

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling No Yes

bus

Architecture FSB DMI
Number of links 1 1

details

Pentium 4 561  vs
Celeron 1007U 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 0.5 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 90 nm 22 nm
Max CPUs 1 1
Clock multiplier 18 15
Operating temperature Unknown - 72.8°C Unknown - 105°C

overclocking

Overclocked clock speed 4.06 GHz 1.5 GHz
Overclocked clock speed (Water) 3.6 GHz 1.5 GHz
Overclocked clock speed (Air) 4.06 GHz 1.5 GHz

power consumption

TDP 115W 17W
Annual home energy cost 27.7 $/year 4.1 $/year
Annual commercial energy cost 100.74 $/year 14.89 $/year
Typical power consumption 93.44W 13.81W
Intel Pentium 4 561
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Intel Celeron 1007U
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