What are Cuda Cores ?

[keycolony]

What are Cuda Cores and is it better when a graphics card has more of them, cause i saw that the new gtx 980 only has 2048 -.- that is less then the "old 780" ...

[Speedbird]

They're pretty much processing units. The more, the better.

[yannickverc]

I asked Linus to do an "As Fast As Possible" about it. Cuz I don't know myself either, ha

[Semper]

CUDA - Compute Unified Device Architecture.

It's an NVidia technology that helps drive PhysX, in simple terms.

[Altecice]

CUDA (Compute Unified Device Architecture)

[keycolony]

so does that mean that the 980 will perform worse than the 780?

[Glenwing]

NVIDIA's fancy name for cores. Besides graphics processing, they can be used by programs to accelerate CPU computations in some situations, a feature NVIDIA calls CUDA.

More is generally better, just keep in mind cores are not the only part of a GPU's design. If you are comparing two cards like the GTX 780 Ti and the 780, they are both part of the Kepler family so everything else about them is the same. In that case more cores means more performance. However if you compare them to the GTX 980 which is a different design, it is not so simple, because there are things besides the core count that have also changed.

[TheMcSame]

Without getting into massive detail they are basically processors for the GPU but obviously it's a tad more complicated than that. Generally, more is better but there is obviously more stuff that will determine performance as well. 

[VortexS]

so does that mean that the 980 will perform worse than the 780?

Nope, there are a lot of factors, but if the leaked specs are true the performance will indeed be slighty worse.

[Pugs501]

Nope, there are a lot of factors, but if the "leaked" specs are true the performance will indeed be slighty worse.

The key word is "Leaked"

[i_build_nanosuits]

so does that mean that the 980 will perform worse than the 780?

not necesseraly because with new architectures the cuda cores that process the data gets more effective so the same cuda core count will perform better on a newer gen card.

[I/O]

CUDA cores is nvidia's word for Stream Processors. There is nothing special about them.

[i_build_nanosuits]

CUDA cores is nvidia's word for Stream Processors. There is nothing special about them.

everything is special about them the are the heart and soul of the GPu they are what actualy process the datas...

[I/O]

everything is special about them the are the heart and soul of the GPu they are what actualy process the datas...

They are nothing more than Stream Processors. CUDA is just a propriotary name for them. nvidia did not reinvent the wheel they just changes the name.

[i_build_nanosuits]

They are nothing more than Stream Processors. CUDA is just a propriotary name for them. nvidia did not reinvent the wheel they just changes the name.

it's a GPU core who said they ''reinvent the wheel'' or who said they are ''more than stream processor'' you just get very irritated when the discussion turns about nvidia gpu aint it?

[I/O]

it's a GPU core who said they ''reinvent the wheel'' or who said they are ''more than stream processor'' you just get very irritated when the discussion turns about nvidia gpu aint it?

You seem to be getting real defensive about nvidia's Stream Processors/Cuda cores.

[i_build_nanosuits]

You seem to be getting real defensive about nvidia's Stream Processors/Cuda cores.

hahaha you should be aware that i couldnt care less about what they call them i simply answered OP's question.

[I/O]

hahaha you should be aware that i couldnt care less about what they call them i simply answered OP's question.

As did I then your proceeded to troll the post and claim that they are all special and such when they are just in fact Stream Processors much like the ones that AMD has. nvidia are just being hipsters and calling them something they are not.

[Glenwing]

everything is special about them the are the heart and soul of the GPu they are what actualy process the datas...

That's what any kind of GPU core does.  There's nothing special about CUDA cores in particular.

[mathijs727]

CUDA - Compute Unified Device Architecture.

It's an NVidia technology that helps drive PhysX, in simple terms.

CUDA != PhysX

 

Nvida calls its cores CUDA cores because you can use them with CUDA.

CUDA makes it possible to use C to program for GPU compute.

 

It's bassicly an alternative to OpenCL, which nvidia's gpu's arent that good at.