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Differences What are the advantages of each

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
Front view of Intel Celeron P4600

Reasons to consider the
Intel Celeron P4600

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Much newer manufacturing process 32 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
Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
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

Features Key features of the Core2 Duo E6405  vs Celeron P4600 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core2 Duo E6405  vs
Celeron P4600 
Clock speed 2.13 GHz 2 GHz
Cores Dual core Dual core
Socket type
LGA 771
rPGA 988A

features

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

power consumption

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

details

Core2 Duo E6405  vs
Celeron P4600 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.13 GHz 2 GHz
Overclocked clock speed (Water) 2.13 GHz 2 GHz
Overclocked clock speed (Air) 2.13 GHz 2 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 Core2 Duo E6405
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Intel Celeron P4600
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