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Differences What are the advantages of each

Front view of Intel Core i7 4960X

Reasons to consider the
Intel Core i7 4960X

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.6 GHz vs 2.3 GHz More than 55% higher clock speed
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l3 cache 15 MB vs 6 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 4.49 GHz vs 2.3 GHz More than 95% better overclocked clock speed (Air)
More threads 12 vs 4 Three times as many threads
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
Newer Sep, 2013 vs Jan, 2009 Release date over 4 years later
More cores 6 vs 4 2 more cores; run more applications at once
Higher Maximum operating temperature 66.8 °C vs 55 °C More than 20% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.33 GHz vs 2.3 GHz Around 90% better overclocked clock speed (Water)
Front view of AMD Opteron 8376 HE

Reasons to consider the
AMD Opteron 8376 HE

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much lower typical power consumption 44.69W vs 105.63W 2.4x lower typical power consumption
Much lower annual home energy cost 13.25 $/year vs 31.32 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 113.88 $/year 2.4x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.33 MB/core More than 50% more l2 cache per core

Features Key features of the Core i7 4960X  vs Opteron 8376 HE 

clock speed

Core i7 4960X
3.6 GHz
Opteron 8376 HE
2.3 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4960X
4.49 GHz
Opteron 8376 HE
2.3 GHz

overclocked clock speed (water)

Core i7 4960X
4.33 GHz
Opteron 8376 HE
2.3 GHz

Specifications Full list of technical specs

summary

Core i7 4960X  vs
Opteron 8376 HE 
Clock speed 3.6 GHz 2.3 GHz
Cores Hexa core Quad core
Is unlocked Yes No

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
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 55W
Annual home energy cost 31.32 $/year 13.25 $/year
Annual commercial energy cost 113.88 $/year 48.18 $/year
Typical power consumption 105.63W 44.69W

bus

Clock speed 2,500 MHz 2,000 MHz

details

Core i7 4960X  vs
Opteron 8376 HE 
Threads 12 4
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.5 MB/core
L3 cache 15 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 8
Operating temperature Unknown - 66.8°C 0 - 55°C

overclocking

Overclocked clock speed 4.49 GHz 2.3 GHz
Overclocked clock speed (Water) 4.33 GHz 2.3 GHz
Overclocked clock speed (Air) 4.49 GHz 2.3 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core i7 4960X
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AMD Opteron 8376 HE
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