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[Various] AMD Mantle release (BF4) - Page 104

post #1031 of 1174
Quote:
Originally Posted by maarten12100 View Post

Sounds like a good deal the R9 290X is 100$ more expensive in retail if not more and is a tad stonger and future focussed. For Mantle I think it is too early to tell so don't make the switch based on just that.
pfff I was late, guy sold his 290x... Yeah 290x objectively a bit faster than a Ti so its for sure faster then no-ti + mantle on the side. So minimum a ~20% extra fps is granted. Only minus I see is a heat and power consumption...
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post #1032 of 1174
Quote:
Originally Posted by SkyNetSTI View Post

pfff I was late, guy sold his 290x... Yeah 290x objectively a bit faster than a Ti so its for sure faster then no-ti + mantle on the side. So minimum a ~20% extra fps is granted. Only minus I see is a heat and power consumption...
Too bad well that extra heat and power consumption can be fixed with a normal cooler since the cooler it comes with makes it run hot and therefore consume 50W more than needed.
post #1033 of 1174
Quote:
Originally Posted by kcuestag View Post

I'm pretty sure True Audio will only be available on new gen cards, so R9 290X, R9 290, R270X (I think?) and so on.

AFAIK, 270X doesn't support trueaudio.
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post #1034 of 1174
Quote:
Originally Posted by robotninja View Post

So I'll begin this post with saying I am now 40 pages behind on the discusson of Mantle and Bf4 and gains and etc etc.

My experience has been almost a wash.

Not extensive by any means but I have been playing a lot of bf4, something like 2-4 hours every day or every other day. I have definitely seen some issues but for the most part it has run well and has been entirely playable. Around 120 hours in the last 6-7 weeks.

Mantle on the whole "feels" smoother and more consistant and has generally run around the same frame rates if not slightly better. DX11 i was hovering right around 45-50 and Mantle I am getting around 60 on a slightly more steady basis. Both are running on high with 4x AA.

My issue has been some WICKED fps drops randomly but on a fairly steady basis. Down to 10 and lower FPS to the point where it basically freezes the game for a second and nothing is happening. As you all know ina game like this when that happens you generally end up recovering dead. Ce La Vie.

Not a huge issue but none the less an issue. I will probably run it a little bit more just to see if I can get some more info and try and troubleshoot for AMD but it seems entirely random I have seen the drop while standing around by myself and while right in the heart of battle.

I also have a friend who is running and OC I7 3770 who reports the same issue. He is currently running on 1 7950 because his 2nd is a getting an rma and I am waiting to see his results with 2 cards even though support may still be a ways off.

Im here if you have questions just trying to get as much info about Mantle out as we can.

i have a 7950 and had a hit and miss experience with Mantle so far (i assume mostly because it hasn't been optimized for the 7900 series yet) - when it works... it is so smooth. like, really really smooth. i didn't notice FPS bumps (i vsync at 60 fps) but overall the smoothness was startling. I asked my roommate to try to make sure it wasn't comfirmation bias (i didnt even tell him about mantle) and even he remarked how smooth it felt. That said, i had major frame rate dips occasionally and a somewhat wonky experience so i went back to DX, but i am excited about what i saw from mantle.
post #1035 of 1174
Hardocp did their review and they got the stuttering issue. Though it seemed much more common at lower resolutions. They got a 7% increase at 4xAA ultra settings at 2560x1600 with a 3770k oc'd to 4.8 and xfx 290x.


Quote:
Even though AMD Mantle was better overall with frame times, we did have some occasional oddities that are showing up in these graphs. Often times we have one or two large spikes that go toward 30ms frame times. This did not happen under D3D, only Mantle. This "lag" was felt in the game as we played. The game would hitch, or stutter briefly, and the graphs above show these large lag spikes.

http://www.hardocp.com/article/2014/02/03/amd_mantle_performance_preview_in_battlefield_4/4#.Uu_Wv2d3uUk
post #1036 of 1174
I hear there are serious differences in image quality/rendering, anyone here willing to do the legwork on this?

I would like someone to try with identical settings.

The draw distance looks to be fogged by about 10~20%. This would cause an FPS boost on any system.

Here is an example I have seen:
D3D11


Mantle
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post #1037 of 1174
Quote:
Originally Posted by fantasyalive View Post

Hardocp did their review and they got the stuttering issue. Though it seemed much more common at lower resolutions. They got a 7% increase at 4xAA ultra settings at 2560x1600 with a 3770k oc'd to 4.8 and xfx 290x.
http://www.hardocp.com/article/2014/02/03/amd_mantle_performance_preview_in_battlefield_4/4#.Uu_Wv2d3uUk

Thanks for posting this, I'll go ahead a post a recap of what I've observed in my last gaming sessions.

Basically I get almost no performance difference between mantle or DX11, my minimum FPS are almost identical on both, with mantle having a few higher shots in fps than DX11, major difference is DX11 is still smooth as it's always been, Mantle seems smoother at first right before I i get into intense battles and that's when the stuttering starts.

As I've said before I understand the driver is in beta status, and I can only hope that AMD acknowledges my and many others problems using mantle... and hopefully they will refine mantle for use with GCN 1.0 cards. -For now I will stick with DX11 until a reliable release of Mantle is released.
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post #1038 of 1174
Quote:
Originally Posted by RagingCain View Post

I hear there are serious differences in image quality/rendering, anyone here willing to do the legwork on this?

I would like someone to try with identical settings.
Warning: Spoiler! (Click to show)
The draw distance looks to be fogged by about 10~20%. This would cause an FPS boost on any system.

Here is an example I have seen:
D3D11


Mantle




He already answered on this bug. BF4 still renders the stuffs behind the fog but you cant see them so easily

http://battlelog.battlefield.com/bf4/forum/threadview/2979150493821981180/
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post #1039 of 1174
Quote:
Originally Posted by sugarhell View Post

Quote:
Originally Posted by RagingCain View Post

I hear there are serious differences in image quality/rendering, anyone here willing to do the legwork on this?

I would like someone to try with identical settings.
Warning: Spoiler! (Click to show)
The draw distance looks to be fogged by about 10~20%. This would cause an FPS boost on any system.

Here is an example I have seen:
D3D11


Mantle




He already answered on this bug. BF4 still renders the stuffs behind the fog but you cant see them so easily

http://battlelog.battlefield.com/bf4/forum/threadview/2979150493821981180/

Thanks for the find.

I disagree with him on it affecting performance though. What I can tell from various images and youtube videos is a reduced draw distance, a grainy film ala L4D2, over saturated Gamma, no HBAO, reduced lens flare and very low LOD over distance, even on High or Ultra settings. It is the equivalent to Dx11 on Medium and Low setting combinations... not that I want to rain on people's parades about Mantle though.
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post #1040 of 1174
If the engine still renders everything behind the fog it doesnt affect performance. Because you cant see it doesnt mean its not there.
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