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Differences What are the advantages of each

Front view of Intel Pentium D 940

Reasons to consider the
Intel Pentium D 940

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Front view of Intel Pentium 4 630

Reasons to consider the
Intel Pentium 4 630

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CPUBoss is not aware of any important advantages of the Pentium 4 630 vs the Pentium D 940.

Features Key features of the Pentium D 940  vs 4 630 

clock speed

L2 cache

overclocked clock speed (air)

Pentium D 940
4.25 GHz
Pentium 4 630
3.83 GHz

overclocked clock speed (water)

Pentium D 940
4.6 GHz
Pentium 4 630
4.33 GHz

Specifications Full list of technical specs

summary

Pentium D 940  vs
4 630 
Clock speed 3.2 GHz 3 GHz
Cores Dual core Single core
Socket type
LGA 775

features

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

power consumption

TDP 130W 84W
Annual home energy cost 31.32 $/year 20.24 $/year
Annual commercial energy cost 113.88 $/year 73.58 $/year
Typical power consumption 105.63W 68.25W

bus

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

details

Pentium D 940  vs
4 630 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 65 nm 90 nm
Transistor count 376,000,000 169,000,000
Max CPUs 1 1
Clock multiplier 16 15
Voltage range 1.2 - 1.34V 1.2 - 1.4V
Operating temperature Unknown - 68.6°C Unknown - 66.6°C

overclocking

Overclocked clock speed 4.25 GHz 3.83 GHz
Overclocked clock speed (Water) 4.6 GHz 4.33 GHz
Overclocked clock speed (Air) 4.25 GHz 3.83 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 D 940
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Intel Pentium 4 630
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