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Differences What are the advantages of each

Front view of Intel Core i5 2300

Reasons to consider the
Intel Core i5 2300

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher Maximum operating temperature 72.6 °C vs 55 °C More than 30% higher Maximum operating temperature
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Newer Jan, 2011 vs Jul, 2009 Release date over 1 years later
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Front view of AMD Opteron 2439 SE

Reasons to consider the
AMD Opteron 2439 SE

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 6 vs 4 2 more cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More threads 6 vs 4 2 more threads

Features Key features of the Core i5 2300  vs Opteron 2439 SE 

clock speed

Core i5 2300
2.8 GHz
Opteron 2439 SE
2.8 GHz

L2 cache

L3 cache

Specifications Full list of technical specs


Core i5 2300  vs
Opteron 2439 SE 
Clock speed 2.8 GHz 2.8 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
Is unlocked No No


Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes


Architecture DMI HyperTransport 3.0


Core i5 2300  vs
Opteron 2439 SE 
Threads 4 6
L2 cache 1 MB 3 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 2
Clock multiplier 28 14
Operating temperature Unknown - 72.6°C 0 - 55°C

integrated graphics

Label Intel® HD Graphics 2000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Typical power consumption 77.19W 85.31W
Intel Core i5 2300
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AMD Opteron 2439 SE
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