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[VideoCardz] Rumour: AMD Radeon RX 480 specifications leaked - Page 27

post #261 of 383
OK so 200 in usd

price in the uk 160-170? could xfire some of these.
post #262 of 383
Quote:
Originally Posted by tkenietz View Post


Lol...... so then AMD should have compared to r9 380?... derp
Contradict yourself much?

yes, that makes sense if these cards are replacing those. they've been rebranding cards so much with no performance gain since the HD7950/R9 280 (and the mediocre Tonga R9 285/R9 380) in that slot they can compare it to anything in the GCN family from 2013 onward and claim improvements. how is showing your own internal process gain instead of comparing to your competitor's 2 year old cards a contradiction? then again, you'll just spout some more nonsense from that muddled mind of yours. take it as a rhetorical question.
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post #263 of 383
Quote:
Originally Posted by rv8000 View Post

Outside of the 1 leaked 3Dmark11 benchmark we have ZERO indication of performance. Nor do we have any concrete evidence of actual specs for p10 (whether or not 2304 is the full chip). Everything about polaris is guess work at this point.

But just to provide some context; 1400mhz core clock with 2560 shaders -> 2x2560x1400 = 7.17 Tflops. Which puts it above the 1070 off compute performance alone (whether or not this would translate 1:1 in gaming performance is also unknown), not to mention much higher bandwidth. I think it is entirely reasonable that an RX 490 with these rough specs would be between the 1070 and 1080 performance wise alongside the major revision to GCN.

Compare max theoretical compute performance on amd vs amd, not amd vs nvidia. I think that the 5.6 for polaris vs 5.9 for 390x is what we will see, that the 2304 core polaris will barely match a 390x / gtx 980. You should also think logically, looking at chip die size, r&d budget.

There is no way amd with a much smaller r&d then nvidia will match its perfomance per mm2, and nvidias gp104 chip is a third larger. You can also compare it with r9 380x, tong a xt, add some more shaders to it to aproximate performance, but remember, an x increase in sharer performance does not relate in the same increase in performance if the memory bandwith and rops are not increased in parallel.

if you increase shaders alone by leaving other thinga untouched the effectiveness would be cut in half roughly (50% more shares only would bring 25% more performance). gpu shader efficiency also decrease as you add more shaders to it because of parallel task inneficiency, same as cpu cores.
Edited by AngEviL - 5/31/16 at 5:58pm
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post #264 of 383
Quote:
Originally Posted by PureBlackFire View Post

typical AMD style. looking at last gen cards to compare their current gen hardware to. never mind being last out the gate with new hardware when those other guys already blew past that old gen benchmark. sigh.
well, if that happens this price segment will see it's first price/performance leap in going on 4 years.

Quote:
Originally Posted by PureBlackFire View Post

yes, that makes sense if these cards are replacing those. they've been rebranding cards so much with no performance gain since the HD7950/R9 280 (and the mediocre Tonga R9 285/R9 380) in that slot they can compare it to anything in the GCN family from 2013 onward and claim improvements. how is showing your own internal process gain instead of comparing to your competitor's 2 year old cards a contradiction? then again, you'll just spout some more nonsense from that muddled mind of yours. take it as a rhetorical question.

Had you said they should compare them to their own cards they are replacing, I would never have quoted you. You said, "last gen" as if there is really anything else to compare to at this point in time. It made you come off like you're a nv fanboy just hating on anything you can find. Basically sounded like saying "AMD fail for comparing to last gen, should have compared to current cards but it's OK for nvidia because they're comparing it to the card it's replacing" then coming back and saying AMD should have compared to card it's replacing

It's all good though, clearly you're having a hard enough time keeping up with what you're even saying
Edited by tkenietz - 5/31/16 at 6:03pm
post #265 of 383
This card better be dirt cheap if they expect it to compete vs the 1070 or old maxwell nvidia stock (which shockingly hasn't dropped in price yet...)
post #266 of 383
Quote:
Originally Posted by AngEviL View Post

Compare max theoretical compute performance on amd vs amd, not amd vs nvidia. I think that the 5.6 for polaris vs 5.9 for 390x is what we will see, that the 2304 core polaris will barely match a 390x / gtx 980. You should also think logically, looking at chip die size, r&d budget.

There is no way amd with a much smaller r&d then nvidia will match its perfomance per mm2, and nvidias gp104 chip is a third larger. You can also compare it with r9 380x, tong a xt, add some more shaders to it to aproximate performance, but remember, an x increase in sharer performance does not relate in the same increase in performance if the memory bandwith and rops are not increased in parallel.

if you increase shaders alone by leaving other thinga untouched the effectiveness would be cut in half roughly (50% more shares only would bring 25% more performance). gpu shader efficiency also decrease as you add more shaders to it because of parallel task inneficiency, same as cpu cores.

Polaris is to feature a large redesign GCN, it'd be hard to compare it to hawaii, tonga, or fiji based on compute performance alone; it could be worse, it could be better. Also Polaris is 14nm LPP which is much denser than 16nm that Nvidia is using so die size difference isn't as large as you're making it out to be. No one was arguing that AMD probably has a minuscule budget compared to Nvidia.

The important part of the jump to 16/14nm for both AMD and Nvidia was frequency gains, and efficiency gains. I don't think you should neglect how much of a monster GCN would be if it could clock like maxwell, or even marginally close to pascal. People seem to forget how well GCN scales.
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post #267 of 383
$199 for a 4GB VRAM version is still pretty good, I think.
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post #268 of 383
Quote:
Originally Posted by umeng2002 View Post

$199 for a 4GB VRAM version is still pretty good, I think.

Yep, 4GB is plenty enough for that card.
post #269 of 383
Quote:
Originally Posted by Ha-Nocri View Post


Yep, 4GB is plenty enough for that card.

 

For a card that will likely be purchased by people at 1920x1080, I'd say it should suffice.

     
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post #270 of 383
Quote:
Originally Posted by umeng2002 View Post

$199 for a 4GB VRAM version is still pretty good, I think.

Everything about this card is shocking. $199 for Fury performance is really nice. Vega is going to be a monster for sure. It might even open up a can of whoopash bigger than the 290x/290 launch which killed the Geforce Titan in 2013.
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