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Differences What are the advantages of each

Front view of Intel Core i5 3450

Reasons to consider the
Intel Core i5 3450

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Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.1 GHz vs 2.8 GHz More than 10% higher clock speed
Significantly lower typical power consumption 62.56W vs 93.44W Around 35% lower typical power consumption
Significantly lower annual home energy cost 18.55 $/year vs 27.7 $/year Around 35% lower annual home energy cost
Significantly lower annual commercial energy cost 67.45 $/year vs 100.74 $/year Around 35% lower annual commercial energy cost
More l3 cache per core 1.5 MB/core vs 1.33 MB/core Around 15% more l3 cache per core
Front view of AMD Opteron 6242

Reasons to consider the
AMD Opteron 6242

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly more l3 cache 16 MB vs 6 MB Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More cores 12 vs 4 Three times as many cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More threads 12 vs 4 Three times as many threads

Features Key features of the Core i5 3450  vs Opteron 6242 

clock speed

Core i5 3450
3.1 GHz
Opteron 6242
2.8 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Core i5 3450  vs
Opteron 6242 
Clock speed 3.1 GHz 2.8 GHz
Cores Quad core Duodeca core
Socket type
LGA 1155
G34

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES

details

Core i5 3450  vs
Opteron 6242 
Threads 4 12
L2 cache 1 MB 12 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 16 MB
L3 cache per core 1.5 MB/core 1.33 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4

power consumption

TDP 77W 115W
Annual home energy cost 18.55 $/year 27.7 $/year
Annual commercial energy cost 67.45 $/year 100.74 $/year
Typical power consumption 62.56W 93.44W

bus

Architecture DMI 2.0 HyperTransport 3.0
Transfer rate 5,000 MT/s 6,400 MT/s
Intel Core i5 3450
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AMD Opteron 6242
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