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Differences What are the advantages of each

Front view of AMD Opteron 6386 SE

Reasons to consider the
AMD Opteron 6386 SE

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Much more l2 cache 16 MB vs 4 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher turbo clock speed 3.5 GHz vs 0 GHz Compared to all cpus, 3.5 GHz turbo clock speed is just OK
More threads 16 vs 4 12 more threads
More cores 16 vs 4 12 more cores; run more applications at once
Front view of AMD Opteron 6308

Reasons to consider the
AMD Opteron 6308

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Much higher clock speed 3.5 GHz vs 2.8 GHz More than 25% higher clock speed
Much more l3 cache per core 4 MB/core vs 1 MB/core 4x more l3 cache per core
Lower typical power consumption 93.44W vs 113.75W Around 20% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.5 GHz vs 3.2 GHz Around 10% better overclocked clock speed (Air)
Lower annual commercial energy cost 100.74 $/year vs 122.64 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 27.7 $/year vs 33.73 $/year Around 20% lower annual home energy cost

Features Key features of the Opteron 6386 SE  vs 6308 

clock speed

Opteron 6386 SE
2.8 GHz
Opteron 6308
3.5 GHz

turbo clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 6386 SE
3.2 GHz
Opteron 6308
3.5 GHz

Specifications Full list of technical specs

summary

Opteron 6386 SE  vs
6308 
Clock speed 2.8 GHz 3.5 GHz
Turbo clock speed 3.5 GHz 0 GHz
Cores 16 core Quad core
Is unlocked No No

features

Has virtualization support Yes Yes

power consumption

TDP 140W 115W
Annual home energy cost 33.73 $/year 27.7 $/year
Annual commercial energy cost 122.64 $/year 100.74 $/year
Typical power consumption 113.75W 93.44W

details

Opteron 6386 SE  vs
6308 
Threads 16 4
L2 cache 16 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 16 MB 16 MB
L3 cache per core 1 MB/core 4 MB/core
Manufacture process 32 nm 32 nm
Operating temperature Unknown - 64.4°C Unknown - 74.4°C

overclocking

Overclocked clock speed 3.2 GHz 3.5 GHz
Overclocked clock speed (Air) 3.2 GHz 3.5 GHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
AMD Opteron 6386 SE
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AMD Opteron 6308
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