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Differences What are the advantages of each

Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Significantly higher clock speed 4 GHz vs 3.2 GHz Around 25% higher clock speed
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 71.5W vs 93.44W Around 25% lower typical power consumption
Significantly lower annual commercial energy cost 77.09 $/year vs 100.74 $/year Around 25% lower annual commercial energy cost
Significantly lower annual home energy cost 21.2 $/year vs 27.7 $/year Around 25% lower annual home energy cost
Front view of AMD Opteron 6224

Reasons to consider the
AMD Opteron 6224

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Much more l2 cache 8 MB vs 1 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
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
More cores 8 vs 4 Twice as many cores; run more applications at once

Features Key features of the Core i7 4790K  vs Opteron 6224 

clock speed

Opteron 6224
3.2 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Core i7 4790K  vs
Opteron 6224 
Clock speed 4 GHz 3.2 GHz
Cores Quad core Octa core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0

details

Core i7 4790K  vs
Opteron 6224 
Threads 8 8
L2 cache 1 MB 8 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 2 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4

power consumption

TDP 88W 115W
Annual home energy cost 21.2 $/year 27.7 $/year
Annual commercial energy cost 77.09 $/year 100.74 $/year
Typical power consumption 71.5W 93.44W

bus

Architecture DMI 2.0 HyperTransport 3.0
Transfer rate 5,000 MT/s 6,400 MT/s
Intel Core i7 4790K
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AMD Opteron 6224
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