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Differences What are the advantages of each

Front view of Intel Core i7 2600

Reasons to consider the
Intel Core i7 2600

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Significantly higher clock speed 3.4 GHz vs 2.5 GHz More than 35% higher clock speed
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Front view of AMD Opteron 6280

Reasons to consider the
AMD Opteron 6280

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Much more l2 cache 16 MB vs 1 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 16 vs 4 12 more cores; run more applications at once
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l3 cache 16 MB vs 8 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly lower typical power consumption 93.44W vs 114.5W Around 20% lower typical power consumption
More threads 16 vs 8 Twice as many threads
Much lower annual home energy cost 27.7 $/year vs 41.87 $/year Around 35% lower annual home energy cost
Lower annual commercial energy cost 100.74 $/year vs 112.13 $/year More than 10% lower annual commercial energy cost

Features Key features of the Core i7 2600  vs Opteron 6280 

clock speed

Core i7 2600
3.4 GHz
Opteron 6280
2.5 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Core i7 2600  vs
Opteron 6280 
Clock speed 3.4 GHz 2.5 GHz
Cores Quad core 16 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 i7 2600  vs
Opteron 6280 
Threads 8 16
L2 cache 1 MB 16 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 16 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 4

power consumption

TDP 95W 115W
Annual home energy cost 41.87 $/year 27.7 $/year
Annual commercial energy cost 112.13 $/year 100.74 $/year
Typical power consumption 114.5W 93.44W

bus

Architecture DMI HyperTransport 3.0
Transfer rate 5,000 MT/s 6,400 MT/s
Intel Core i7 2600
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AMD Opteron 6280
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