Going to upgrade my GPU, have rig capability questions.

Shane Hawk · Feb 12, 2014

Hi, I will be upgrading my GPU soon but I feel I am stuck and don't want to make the wrong choice.

Normally I wouldn't have such a hard time deciding but now that Mantle is around...i'm not so sure.

I would definitely have to upgrade my CPU ( i7 920 ) and mobo to get an enthusiast level card, unless mantle will let me get past that bottleneck.

What is the consensus on Mantle at this point in time?

EasyLover · Feb 12, 2014

Dear I'm not aware of level of understanding about Mantle that you've. There are two considerations about Mantle which makes it really a must have:

1. Mantle provides the ability to have 80,000 to 90,000 Draw Calls per Frame as compared to DirectX or OpenGL and current configurations reaching 3,000 to 5,000 Draw Calls per Frame. This would enable the GPUs to improve the performance of Draw Calls they are making because telling cpu to draw 90,000 objects on screen in one go would otherwise be dependent on GPU itself.

2. Mantle is designed for modern hardware. This is a basic limitation of DirectX because when DirectX was released there was no dual core or multi-threading hardware. Mantle's API is of lower overhead. It means the Mantle uses or speaks the same language which the GPU's native architecture uses so there would be less dependency on the CPU to do translation hence eliminating hardware downtime.

3. In coming times, AMD is hoping that Mantle would become Industry Standard like DirectX and all developers would be using it to deliver Mantle enabled games likewise, gaming enthusiasts realizing the performance gains would be demanding it as well.

4. It is time bound what would happen! But from hardware dependency point of view Mantle is set to change that. It is for sure.

5. For nVIDIA users, although AMD has announced it to be an open API, much would depend upon nVIDIA's reply and stance over it.

If you've more info and opinion pl share.

Shane Hawk · Feb 12, 2014

EasyLover :

Dear I'm not aware of level of understanding about Mantle that you've. There are two considerations about Mantle which makes it really a must have:

1. Mantle provides the ability to have 80,000 to 90,000 Draw Calls per Frame as compared to DirectX or OpenGL and current configurations reaching 3,000 to 5,000 Draw Calls per Frame. This would enable the GPUs to improve the performance of Draw Calls they are making because telling CPU to draw 90,000 objects on screen in one go would otherwise be dependent on GPU itself.

2. Mantle is designed for modern hardware. This is a basic limitation of DirectX because when DirectX was released there was no dual core or multi-threading hardware. Mantle's API is of lower overhead. It means the Mantle uses or speaks the same language which the GPU's native architecture uses so there would be less dependency on the CPU to do translation hence eliminating hardware downtime.

3. In coming times, AMD is hoping that Mantle would become Industry Standard like DirectX and all developers would be using it to deliver Mantle enabled games likewise, gaming enthusiasts realizing the performance gains would be demanding it as well.

4. It is time bound what would happen! But from hardware dependency point of view Mantle is set to change that. It is for sure.

5. For nVIDIA users, although AMD has announced it to be an open API, much would depend upon nVIDIA's reply and stance over it.

If you've more info and opinion pl share.

to be more specific, will my 920 be good enough to not bottleneck a 780 or a 290X? i highly doubt it will work for the nvidia, but mantle is giving me hope that i could get a 290X and not have issues.

EasyLover · Feb 12, 2014

Shane Hawk :

If Mantle delivers what it is meant to do then yes CPU will not bottleneck it. Here is what AMD has to say about it:

"Mantle reduces the CPU’s workload by giving developers a way to talk to the GPU directly with much less translation. With less work for the CPU to do, programmers can squeeze much more performance from a system, delivering the greatest benefits in gaming systems where the CPU can be the bottleneck."

Hopefully this may answer the query. What will actually happen, is yet to be seen pl.

Shane Hawk · Feb 12, 2014

looks like i will just have to put on the brakes a little and see how this develops.

EasyLover · Feb 12, 2014

Better for you. There is nothing to loose in a wait. Pl do share whatever you find on Mantle as well. Hopefully, my replies would not have bored you

Regards,

Shane Hawk · Feb 12, 2014

not at all, thanks for the tips and i will be keeping eyes on the situation

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