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Differences What are the advantages of each

Front view of Intel Pentium 4 640

Reasons to consider the
Intel Pentium 4 640

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CPUBoss is not aware of any important advantages of the Pentium 4 640 vs the Core i5 2500.

Front view of Intel Core i5 2500

Reasons to consider the
Intel Core i5 2500

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Features Key features of the Pentium 4 640  vs Core i5 2500 

clock speed

Pentium 4 640
3.2 GHz
Core i5 2500
3.3 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 640
3.92 GHz
Core i5 2500
3.7 GHz

overclocked clock speed (water)

Pentium 4 640
3.2 GHz
Core i5 2500
4.21 GHz

Specifications Full list of technical specs

summary

Pentium 4 640  vs
Core i5 2500 
Clock speed 3.2 GHz 3.3 GHz
Cores Single core Quad core
Socket type
LGA 775
LGA 1155

features

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

power consumption

TDP 84W 95W
Annual home energy cost 20.24 $/year 22.89 $/year
Annual commercial energy cost 73.58 $/year 83.22 $/year
Typical power consumption 68.25W 77.19W

details

Pentium 4 640  vs
Core i5 2500 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 1 MB
L2 cache per core 2 MB/core 0.25 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Clock multiplier 16 33
Operating temperature Unknown - 66.6°C Unknown - 72.6°C

overclocking

Overclocked clock speed 3.92 GHz 3.7 GHz
Overclocked clock speed (Water) 3.2 GHz 4.21 GHz
Overclocked clock speed (Air) 3.92 GHz 3.7 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Pentium 4 640
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Intel Core i5 2500
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