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Differences What are the advantages of each

Front view of Intel Pentium 4 620

Reasons to consider the
Intel Pentium 4 620

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Higher clock speed 2.8 GHz vs 2.53 GHz More than 10% higher clock speed
Better overclocked clock speed (Air) 3.33 GHz vs 2.59 GHz Around 30% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.8 GHz vs 2.53 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Core i3 380M

Reasons to consider the
Intel Core i3 380M

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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
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
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

Features Key features of the Pentium 4 620  vs Core i3 380M 

clock speed

Pentium 4 620
2.8 GHz
Core i3 380M
2.53 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 620
3.33 GHz
Core i3 380M
2.59 GHz

overclocked clock speed (water)

Pentium 4 620
2.8 GHz
Core i3 380M
2.53 GHz

Specifications Full list of technical specs

summary

Pentium 4 620  vs
Core i3 380M 
Clock speed 2.8 GHz 2.53 GHz
Cores Single core Dual core
Socket type
LGA 775
BGA 1288
rPGA 988A

features

Has a NX bit Yes Yes
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

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

details

Pentium 4 620  vs
Core i3 380M 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 1 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Transistor count 169,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 14 19

overclocking

Overclocked clock speed 3.33 GHz 2.59 GHz
Overclocked clock speed (Water) 2.8 GHz 2.53 GHz
PassMark (Overclocked) 844.4 1,108.4
Overclocked clock speed (Air) 3.33 GHz 2.59 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 500 MHz
Turbo clock speed N/A 667 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Pentium 4 620
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Intel Core i3 380M
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