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Differences What are the advantages of each

Front view of Intel Core i7 4950HQ

Reasons to consider the
Intel Core i7 4950HQ

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Higher clock speed 2.4 GHz vs 1.8 GHz Around 35% 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 38.19W vs 69.06W Around 45% lower typical power consumption
Much better overclocked clock speed (Air) 4.4 GHz vs 2.26 GHz Around 95% better overclocked clock speed (Air)
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Significantly lower annual home energy cost 11.32 $/year vs 20.48 $/year Around 45% lower annual home energy cost
Significantly lower annual commercial energy cost 41.17 $/year vs 74.46 $/year Around 45% lower annual commercial energy cost
Better overclocked clock speed (Water) 2.4 GHz vs 1.8 GHz Around 35% better overclocked clock speed (Water)
Front view of AMD Opteron 6266 HE

Reasons to consider the
AMD Opteron 6266 HE

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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
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
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
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
More threads 16 vs 8 Twice as many threads

Features Key features of the Core i7 4950HQ  vs Opteron 6266 HE 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4950HQ
4.4 GHz
Opteron 6266 HE
2.26 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core i7 4950HQ  vs
Opteron 6266 HE 
Clock speed 2.4 GHz 1.8 GHz
Cores Quad core 16 core

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
AVX 2.0

bus

Architecture DMI 2.0 HyperTransport 3.0
Transfer rate 5,000 MT/s 6,400 MT/s

details

Core i7 4950HQ  vs
Opteron 6266 HE 
Threads 8 16
L2 cache 1 MB 16 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 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 4

overclocking

Overclocked clock speed 4.4 GHz 2.26 GHz
Overclocked clock speed (Water) 2.4 GHz 1.8 GHz
Overclocked clock speed (Air) 4.4 GHz 2.26 GHz

power consumption

TDP 47W 85W
Annual home energy cost 11.32 $/year 20.48 $/year
Annual commercial energy cost 41.17 $/year 74.46 $/year
Typical power consumption 38.19W 69.06W
Intel Core i7 4950HQ
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AMD Opteron 6266 HE
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