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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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Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 38.19W vs 77.19W 2x lower typical power consumption
More l3 cache 6 MB vs 1 MB 6x more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher Maximum operating temperature 100 °C vs 55 °C More than 80% higher Maximum operating temperature
Newer Jul, 2013 vs Aug, 2007 Release date over 5 years later
Much more l3 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l3 cache per core
More threads 8 vs 2 6 more threads
Significantly better overclocked clock speed (Air) 4.4 GHz vs 3.23 GHz More than 35% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Much lower annual home energy cost 11.32 $/year vs 22.89 $/year 2x lower annual home energy cost
Much lower annual commercial energy cost 41.17 $/year vs 83.22 $/year 2x lower annual commercial energy cost
Front view of AMD Opteron 2222

Reasons to consider the
AMD Opteron 2222

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3 GHz vs 2.4 GHz More than 25% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Better overclocked clock speed (Water) 2.8 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Water)

Features Key features of the Core i7 4950HQ  vs Opteron 2222 

clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4950HQ
4.4 GHz
Opteron 2222
3.23 GHz

overclocked clock speed (water)

Core i7 4950HQ
2.4 GHz
Opteron 2222
2.8 GHz

Specifications Full list of technical specs

summary

Core i7 4950HQ  vs
Opteron 2222 
Clock speed 2.4 GHz 3 GHz
Cores Quad core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 47W 95W
Annual home energy cost 11.32 $/year 22.89 $/year
Annual commercial energy cost 41.17 $/year 83.22 $/year
Typical power consumption 38.19W 77.19W

details

Core i7 4950HQ  vs
Opteron 2222 
Threads 8 2
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 1 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 2
Operating temperature Unknown - 100°C 0 - 55°C

overclocking

Overclocked clock speed 4.4 GHz 3.23 GHz
Overclocked clock speed (Water) 2.4 GHz 2.8 GHz
Overclocked clock speed (Air) 4.4 GHz 3.23 GHz

integrated graphics

GPU GPU None
Label Intel® Iris™ Pro Graphics 5200 N/A
Number of displays supported 3 N/A
GPU clock speed 200 MHz N/A
Turbo clock speed 1,300 MHz N/A
Intel Core i7 4950HQ
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AMD Opteron 2222
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