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Differences What are the advantages of each

Front view of Intel Pentium 4 505

Reasons to consider the
Intel Pentium 4 505

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Slightly higher clock speed 2.66 GHz vs 2.5 GHz More than 5% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.74 GHz vs 2.94 GHz More than 25% better overclocked clock speed (Air)
Front view of Intel Core i5 2450M

Reasons to consider the
Intel Core i5 2450M

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
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 lower typical power consumption 28.44W vs 68.25W 2.4x lower typical power consumption
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much higher Maximum operating temperature 100 °C vs 67.7 °C Around 50% higher Maximum operating temperature
More threads 4 vs 1 3 more threads
More cores 2 vs 1 Twice as many cores; run more applications at once
Much lower annual home energy cost 8.43 $/year vs 20.24 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 73.58 $/year 2.4x lower annual commercial energy cost
Better overclocked clock speed (Water) 2.87 GHz vs 2.67 GHz Around 10% better overclocked clock speed (Water)

Features Key features of the Pentium 4 505  vs Core i5 2450M 

clock speed

Pentium 4 505
2.66 GHz
Core i5 2450M
2.5 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 505
3.74 GHz
Core i5 2450M
2.94 GHz

overclocked clock speed (water)

Pentium 4 505
2.67 GHz
Core i5 2450M
2.87 GHz

Specifications Full list of technical specs

summary

Pentium 4 505  vs
Core i5 2450M 
Clock speed 2.66 GHz 2.5 GHz
Cores Single core Dual core
Socket type
LGA 775
rPGA 988B
BGA 1023

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Supports dynamic frequency scaling No Yes

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,300 MHz

bus

Architecture FSB DMI
Number of links 1 1

details

Pentium 4 505  vs
Core i5 2450M 
Architecture x86-64 x86-64
Threads 1 4
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Clock multiplier 20 25
Operating temperature Unknown - 67.7°C Unknown - 100°C

overclocking

Overclocked clock speed 3.74 GHz 2.94 GHz
Overclocked clock speed (Water) 2.67 GHz 2.87 GHz
Overclocked clock speed (Air) 3.74 GHz 2.94 GHz

power consumption

TDP 84W 35W
Annual home energy cost 20.24 $/year 8.43 $/year
Annual commercial energy cost 73.58 $/year 30.66 $/year
Typical power consumption 68.25W 28.44W
Intel Pentium 4 505
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Intel Core i5 2450M
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