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Differences What are the advantages of each

Front view of Intel Pentium 2020M

Reasons to consider the
Intel Pentium 2020M

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Much newer manufacturing process 22 nm vs 65 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
Higher clock speed 2.4 GHz vs 2.13 GHz Around 15% higher clock speed
Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Better overclocked clock speed (Air) 2.4 GHz vs 2.13 GHz Around 15% better overclocked clock speed (Air)
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Better overclocked clock speed (Water) 2.4 GHz vs 2.13 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E6405

Reasons to consider the
Intel Core2 Duo E6405

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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 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Features Key features of the Pentium 2020M  vs Core2 Duo E6405 

clock speed

Pentium 2020M
2.4 GHz
Core2 Duo E6405
2.13 GHz

L2 cache

overclocked clock speed (air)

Pentium 2020M
2.4 GHz
Core2 Duo E6405
2.13 GHz

overclocked clock speed (water)

Pentium 2020M
2.4 GHz
Core2 Duo E6405
2.13 GHz

Specifications Full list of technical specs

summary

Pentium 2020M  vs
Core2 Duo E6405 
Clock speed 2.4 GHz 2.13 GHz
Cores Dual core Dual core
Socket type
rPGA 988B
LGA 771

features

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

power consumption

TDP 35W 65W
Annual home energy cost 8.43 $/year 15.66 $/year
Annual commercial energy cost 30.66 $/year 56.94 $/year
Typical power consumption 28.44W 52.81W

details

Pentium 2020M  vs
Core2 Duo E6405 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.4 GHz 2.13 GHz
Overclocked clock speed (Water) 2.4 GHz 2.13 GHz
Overclocked clock speed (Air) 2.4 GHz 2.13 GHz

integrated graphics

GPU GPU None
Label HD Graphics N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,100 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Pentium 2020M
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Intel Core2 Duo E6405
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