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Differences What are the advantages of each

Front view of Intel Core2 Duo E6305

Reasons to consider the
Intel Core2 Duo E6305

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Much 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 lower typical power consumption 52.81W vs 122.45W 2.3x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much lower annual home energy cost 15.66 $/year vs 42.81 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 122.73 $/year 2.2x lower annual commercial energy cost
Front view of Intel Core i5 750

Reasons to consider the
Intel Core i5 750

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Much higher clock speed 2.66 GHz vs 1.86 GHz Around 45% higher clock speed
Much better overclocked clock speed (Air) 4.13 GHz vs 1.6 GHz More than 2.5x better overclocked clock speed (Air)
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 4.09 GHz vs 1.6 GHz More than 2.5x better overclocked clock speed (Water)

Features Key features of the Core2 Duo E6305  vs Core i5 750 

clock speed

Core2 Duo E6305
1.86 GHz
Core i5 750
2.66 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo E6305
1.6 GHz
Core i5 750
4.13 GHz

overclocked clock speed (water)

Core2 Duo E6305
1.6 GHz
Core i5 750
4.09 GHz

Specifications Full list of technical specs

summary

Core2 Duo E6305  vs
Core i5 750 
Clock speed 1.86 GHz 2.66 GHz
Cores Dual core Quad core
Socket type
LGA 771
LGA 1156

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 65W 95W
Annual home energy cost 15.66 $/year 42.81 $/year
Annual commercial energy cost 56.94 $/year 122.73 $/year
Typical power consumption 52.81W 122.45W

details

Core2 Duo E6305  vs
Core i5 750 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.6 GHz 4.13 GHz
Overclocked clock speed (Water) 1.6 GHz 4.09 GHz
Overclocked clock speed (Air) 1.6 GHz 4.13 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Duo E6305
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Intel Core i5 750
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