AMD Processor with 16 Cores - are they physical cores?

diytrainee · Oct 18, 2013

Hello all

Hope you can help clarify something for me...

The processor on the top of the following link shows 16 cores.
http://www.amd.com/uk/products/server/processors/6000-series-platform/6200/Pages/6200-series-processors.aspx#5

Is this 16 physical cores or is this in some way 8 cores with a hyperthreading type scenario here?

I ask because its seems unusually high and Intel don't do 16 cores (from what I can see), only 8 Cores with 16 threads (HT).

Thanks for your help.

IAMEXTREME · Oct 18, 2013

Yes, these ARE 16 cores with 16 threads.

Shneiky · Oct 18, 2013

AMD Opterons are server class CPUs. They feature 8 modules which is equal to 16 integer cores (real ones). This is double the ones you can find on a FX-8000 series CPU.

Intel does 12 core Xeons which with Hyperthreading result in 24 threads or 24 "cores" seen by the OS. This is double what you can find on I7-3900 and 4900 series CPUs.

So double top enthusiast chips and get the top server chips.

molletts · Oct 18, 2013

They are physical cores. AMD have been doing big multicore processors in the Opteron family for some years. They've never shown any interest in multi-threading technology, as far as I'm aware.

Stephen

Kamen_BG · Oct 18, 2013

AMD CPU's don't use Hyperthreading.
It's an Intel exclusive feature.

These CPU's really do have 16 physical cores.
If you can call them that.

They have 8 modules.
Each modules makes up two cores with shared resources.
This means that if Core A works alone it will work at 100% speed.
If Core B works at the same time, they will have to share resources so they will both be a bit slower.

You can't compare these cores to say Core i5 or Phenom cores.

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AMD Processor with 16 Cores - are they physical cores?

diytrainee

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IAMEXTREME

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Shneiky

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molletts

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Kamen_BG

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