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[Various] AMD Posts Radeon 16.7.1 Drivers, Fixes RX 480 Power Consumption Issues

post #1 of 24
Thread Starter 

Quote:
 In standard mode where power consumption isn’t curtailed, performance is essentially unchanged outside of Tomb Raider, which is one of the games targeted for optimization. Essentially this proves that there’s no performance impact from merely shifting power consumption off of the PEG slot to the 6-pin power connector.

 

Meanwhile in compatibility mode, there is a very small performance hit, though it varies with the game. Compared to standard mode, we’re looking at no more than a 1fps performance drop (~3%), with some games losing only a fraction of a frame per second. That there is a performance drop is consistent – so compatibility mode isn’t free – but overall the performance change is within the +/- 2% margin of error for these benchmarks.

 

 

Source

 

Meanwhile somebody in the main RX 480 PCIe spec thread also found this:

 

Quote:
 
AMD really delivered on a driver update that overrides the BIOS defaults to relieve the motherboard slot without a performance loss, and with only a slight increase in total power consumption. This was really well done, and we have to wonder why the Radeon RX 480 wasn’t configured this way originally.
 
When activating Compatibility Mode to save the remaining 400 milliamps, satisfying the PCI-SIG standard, you have to live with a slight performance penalty, which turns out is surprisingly low.
 
Ultimately, you’re the one who has to choose between the operating modes. The issue isn’t dramatic, and we’re glad that AMD made its Compatibility setting an option for folks truly worried about their platforms, rather than a default. Hopefully board partners skirt the issue entirely by using an eight-pin PCIe connector.

 

Source


Edited by HybridCore - 7/7/16 at 8:27pm
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post #2 of 24
just goes to show how much power a driver has impressive they got it sown that far tho
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post #3 of 24
In before Nvidia Fanboy Trolls start posting the same 3 pictures of blown mother boards that have been proven to be fake and now start to post pictures of blown 6pin connectors.

Nice to see AMD delivering on its promise.
post #4 of 24
So the question now is, is this perfect launch that AMD needed to help it with the market share that they wanted to reclaim?
post #5 of 24
Nice biggrin.gif
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post #6 of 24
Nice job on the fix, AMD. Unnoticeable drop in frames though average clocks dropped about 50MHz from ~1225MHz to ~1175MHz. I guess it doesn't matter as long as the performance is still there. However, I'm a little worried about the huge variance in clocks with compatibility mode on so I wonder if there's more stutter which can't be gleamed from charts.
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post #7 of 24
Well done. They came out and said it will be fixed. Some heads are going to roll in their QC department but all is good in the hood. Time to wait for the next fiasco biggrin.gifthumb.gif
 
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post #8 of 24
Pretty disgraceful this wasn't picked up before launch. Very sloppy AMD.
post #9 of 24
Quote:
Originally Posted by Newbie2009 View Post

Pretty disgraceful this wasn't picked up before launch. Very sloppy AMD.

Not really , issue was blown out of proportion
post #10 of 24
Quote:
Originally Posted by daviejams View Post

Quote:
Originally Posted by Newbie2009 View Post

Pretty disgraceful this wasn't picked up before launch. Very sloppy AMD.

Not really , issue was blown out of proportion
They should have known better. Everything they do is under a microscope, especially at launch. Like I said after reading few launch reviews, that why didn't they just lover the clocks to 1200mhz and undervolt every unit a little bit and all this noise would have been averted. Besides, the heatsink is complete joke on the reference model and by increasing the size worth of 5$ would have made a big improvement also, but noo... they just had to factory OC everything to the breaking point and to top it all overvolt every unit just a bit just in case.

Sloppy job if you ask me.
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