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Differences What are the advantages of each

Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.5 GHz vs 2.8 GHz More than 25% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 4.69 GHz vs 3.29 GHz More than 40% better overclocked clock speed (Air)
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Newer Apr, 2012 vs Jan, 2009 Release date over 3 years later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much better overclocked clock speed (Water) 4.8 GHz vs 2.8 GHz More than 70% better overclocked clock speed (Water)
Front view of AMD Opteron 8386 SE

Reasons to consider the
AMD Opteron 8386 SE

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
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
Significantly lower typical power consumption 85.31W vs 114.97W More than 25% lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 25.29 $/year vs 42.19 $/year More than 40% lower annual home energy cost
Significantly lower annual commercial energy cost 91.98 $/year vs 112.39 $/year Around 20% lower annual commercial energy cost

Features Key features of the Core i7 3770K  vs Opteron 8386 SE 

clock speed

Core i7 3770K
3.5 GHz
Opteron 8386 SE
2.8 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 3770K
4.69 GHz
Opteron 8386 SE
3.29 GHz

overclocked clock speed (water)

Core i7 3770K
4.8 GHz
Opteron 8386 SE
2.8 GHz

Specifications Full list of technical specs

summary

Core i7 3770K  vs
Opteron 8386 SE 
Clock speed 3.5 GHz 2.8 GHz
Cores Quad core Quad core
Socket type
LGA 1155
F
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 77W 105W
Annual home energy cost 42.19 $/year 25.29 $/year
Annual commercial energy cost 112.39 $/year 91.98 $/year
Typical power consumption 114.97W 85.31W

details

Core i7 3770K  vs
Opteron 8386 SE 
Threads 8 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 8
Clock multiplier 35 14
Voltage range 1.33 - 1.36V 1.32 - UnknownV

overclocking

Overclocked clock speed 4.69 GHz 3.29 GHz
Overclocked clock speed (Water) 4.8 GHz 2.8 GHz
Overclocked clock speed (Air) 4.69 GHz 3.29 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Latest DirectX 11.x N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,150 MHz N/A
3DMark06 5,339.9 N/A
Intel Core i7 3770K
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AMD Opteron 8386 SE
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