Topic Title: Mantle vs DX12
Topic Summary: Microsoft's new API makes AMD's Mantle efforts look redundant
Created On: 03/25/2014 01:28 PM
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 03/25/2014 01:28 PM
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stumped
Wizard

Posts: 7094
Joined: 11/13/2009

Why did AMD announce Mantle?

What's really odd is that AMD must have known DX12 was coming down the line as it announced Mantle, but if DX12 delivers on Microsoft's claims, you have to wonder what the point of Mantle is.

OK, Mantle may be even more efficient at getting beneath those performance-sapping abstraction layers, but it's also surely a case of diminishing returns. And more to the point, Mantle is an AMD-only where DX12 includes AMD, Nvidia and Intel GPUs on the PC and yet more in the mobile space.

That's a huge advantage when it comes to the critical game developer-support angle. Unless Mantle has a spectacular technical advantage over DX12, it's very likely dead in water.

Like Mantle, DX12's true potential is untested so perhaps AMD knows something that we don't and that's why it pressed ahead with Mantle. Time will tell.

http://www.techradar.com/news/computing/pc/how-directx-12-is-set-to-supercharge-pc-gaming-1235819



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 03/25/2014 02:40 PM
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masterx1234
Peon

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It all depends on the developer and if they decide to code the game to work with mantle or not, seeing how direct x 12 wont be out till next year, AMD has some time to work on and improve mantle, who know maybe there working side by side with microsoft with direct x 12, Hopefully both platforms will become standard

 03/25/2014 04:45 PM
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msdos622wasfun
Nerfed

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All I know is I purchased Battlefield 4 the other day and installed the 14.3 beta video driver, and I played through the first chapter of the campaign using Mantle without any issue.  My main fear was that it was just going to crash.  I guess this is a good start.

 

With my R9 280X running the game @ 2560 x 1440 with textures set to ultimate and mostly everything else set to high, I was averaging 40 - 50 FPS.



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 03/25/2014 05:03 PM
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black_zion
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I think it is going to depend on Microsoft's decision on DirectX 12 support for Windows 7. AMD announced all GCN based cards, and nVidia announced their DirectX 11 capable cards, are capable of DirectX 12 support, so I have to believe the only thing that would stop DirectX 12 deployment on Windows 7 would be a "do not install if Windows Version = 6.1" flag. Also, if Mantle becomes a cross platform API, you could be looking at a viable option for Linux, which makes it better for Linux based handhelds and consoles. Heck, even Android based phones.

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 03/26/2014 03:07 AM
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Thanny
Alpha Geek

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Mantle on Linux (and MacOS) would be a pretty big advantage over DX12. 

Not releasing DX12 for Windows 7 would be a huge loss, as there are huge numbers of people (myself included) who have no interest in the abominable Windows 8.x interface.

 

 03/27/2014 08:47 AM
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Reddorki
Peon

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I have rather another question :

Will Mantle & DX12 work together, giving the GPU a bigger boost ? Or will they conflict each other ?

 03/27/2014 04:16 PM
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Thanny
Alpha Geek

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That question doesn't really make sense.  Mantle ane DX12 aren't like a nitrous system on car making things go faster.  They're an interface to controlling the hardware.  The reason things work faster is because Mantle (and apparently DX12, when the dust settles) has less abstraction between the interface and the hardware.

To use cars as an analogy again, let's say DX11 and below is like writing phrases on a piece of paper, like "drive faster" or "turn left", then handing them to the chauffeur.  Mantle or DX12 is more like kicking the chauffeur to the curb and driving yourself.  There's no layer of abstraction to slow you down. 

 

 03/27/2014 04:34 PM
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black_zion
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They are both separate API's, so they can't run together. However there is nothing which says Mantle components will not make their way into DirectX 12.

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