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Differences What are the advantages of each

Front view of Intel Pentium D 945

Reasons to consider the
Intel Pentium D 945

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CPUBoss is not aware of any important advantages of the Pentium D 945 vs the Pentium 4 631.

Front view of Intel Pentium 4 631

Reasons to consider the
Intel Pentium 4 631

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CPUBoss is not aware of any important advantages of the Pentium 4 631 vs the Pentium D 945.

Features Key features of the Pentium D 945  vs 4 631 

clock speed

L2 cache

overclocked clock speed (air)

Pentium D 945
4.22 GHz
Pentium 4 631
4.36 GHz

overclocked clock speed (water)

Pentium D 945
4.59 GHz
Pentium 4 631
4.64 GHz

Specifications Full list of technical specs

summary

Pentium D 945  vs
4 631 
Clock speed 3.4 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 No No
Instruction set extensions
MMX
SSE
SSE2
SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 86W
Annual home energy cost 22.89 $/year 20.72 $/year
Annual commercial energy cost 83.22 $/year 75.34 $/year
Typical power consumption 77.19W 69.88W

memory controller

Memory controller Built-in Built-in
Supports ECC No No

details

Pentium D 945  vs
4 631 
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 65 nm
Transistor count 376,000,000 188,000,000
Max CPUs 1 1
Clock multiplier 17 15
Voltage range 1.2 - 1.34V 1.2 - 1.34V
Operating temperature Unknown - 63.4°C Unknown - 1°C

overclocking

Overclocked clock speed 4.22 GHz 4.36 GHz
Overclocked clock speed (Water) 4.59 GHz 4.64 GHz
PassMark (Overclocked) 1,049.4 950.2
Overclocked clock speed (Air) 4.22 GHz 4.36 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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz
Intel Pentium D 945
Report a correction
Intel Pentium 4 631
Report a correction

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