Mantle API Lag Spikes

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Generaljohn121

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Feb 2, 2014
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I Have a R9 270x and FX 8350 and just upgraded to 14.1 amd drivers. With these drivers I can use mantle, I get about a 10 fps increase which is nice but about every 10 seconds I get lag spikes down to 3 or 6 fps. I have rebooted my pc several times and reinstalled 14.1 several times. When I use dx11 I don't have this issue.
 
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Jak_Sparra

Jak_Sparra

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Mar 31, 2006
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Hi,

I was tempted to get the new drivers to try my r9 290 tri-x with mantle in BF4... But it seems AMD have really gone out of their way this time to emphasize the fact that these drivers are 'bugged'. They say bugged but I prefer to use the term unfinished an under tested. I don't know why they have insisted on giving themselves and then customers unrealistic release dates and then appearing to rush things to get any old junk out there.

I shall wait until there is a proper non-beta driver release and wait until professional reviews (that I expect to see on this site) give it the OK. I shall also be following the forums, so far the number of negative consumer experiences seems to be outweigh positive experiences with many people claiming CTD's.
 
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major177

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Sep 11, 2012
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Lag spikes occur due to low GPU ram, cards with 3gb of ram and more will see 40% fps increase. mantle is only optimized for r9 290 at this time but even if you have 2 7870 total of 4gb gpu ram u see nice fps increase. use software to monitor your gpus ram usage and you notice there is no lag until ram is full.
 
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