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[AMD] Polaris based RX 480 and "High performance solutions" announced at computex - Page 77

post #761 of 1394
Quote:
Originally Posted by SKYMTL View Post

What did I miss about reviewers and bias? Seems this thread exploded in some way.
Actually, my first briefing for Polaris specifically was in November 2015. AMD had talked to the investment community about Polaris (quarterly earnings calls) well before that.

After reading a few posts in this thread, I went over all my notes last night and I can't find any reference to Polaris being anything but a mainstream desktop / notebook facing architecture. Take that as you will but from very early on AMD was tempering expectations. thumb.gif

Well, i concede, and shall shut up about AMD's expectations.
post #762 of 1394
Quote:
Originally Posted by SKYMTL View Post

What did I miss about reviewers and bias? Seems this thread exploded in some way.
Actually, my first briefing for Polaris specifically was in November 2015. AMD had talked to the investment community about Polaris (quarterly earnings calls) well before that.

After reading a few posts in this thread, I went over all my notes last night and I can't find any reference to Polaris being anything but a mainstream desktop / notebook facing architecture. Take that as you will but from very early on AMD was tempering expectations. thumb.gif
Quote:
Originally Posted by lolfail9001 View Post

AMD were not saying a thing about Polaris in 2015, try again. Also, no, framerate was not capped, you can quit making up excuses considering AMD's marketing guy already explained everything there is to explain.

so how epic was your fail? biggrin.gif
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post #763 of 1394
Quote:
Originally Posted by flopper View Post


so how epic was your fail? biggrin.gif

3.5/4
post #764 of 1394
Quote:
Originally Posted by stoker View Post

Honestly these days no one, all because they have so many sponsors that they rely on free gifts (well revenue to keep them going) that they will be biased for that review/video until another product comes to review. Linus honestly is the closest to being Switzerland/Neutral

Ok well I might watch more of his content then.

I think this vulnerability to inducement amongst media is a particularly bad problem in the US. I haven't got exact emphirical data to back that up but its just a feeling I get from digesting the content over the years.

It's a travesty that an impartial, honest outlet for reviews is seemingly so hard to find.
post #765 of 1394
Quote:
Originally Posted by Mahigan View Post

There are two models the C4 and the C7 announced so far. The C4 and the C7. The C7 has a clockspeed of 1266MHz and is known as the RX 480. In 3D Mark.. its performance is similar to a Radeon Fury though folks are using its TFlops figures in order to place it as an R9 390 replacement (not understanding that AMD have optimized their GCN cores and caches in order to boost efficiency in that metric not unlike the nVIDIA Kepler to Maxwell changes).. This leaves the door open for an RX 480x which should have 2560 cores compared to the RX 480s 2304 cores. The RX 480 and 480x both having 64 ROPs. I am thinking that we are going to see Radeon FuryX performance out of the RX 480x.

36 CUs leaves us with 144 Texture Mapping Units for the RX 480 and 40CUs leaves us with 160 Texture Mapping Units for the RX 480x. The RX 480x will probably go for $249-$279. This leaves the door open for a $349 and a $399 set of products which will be based on small Vega (RX 490 series) as well as the premium big Vega GPUs which are likely to be priced at $549 and $650 respectively (RX Fury-like lineup).

The RX 490 series will be going head to head with the GTX 1070 and 1080 offerings from nVIDIA while the big Vega GPUs will likely shoot for GTX 1080 Ti and Titan territory.

So the performance per CU is up big time. We will have to wait for the NDA lift in order to ascertain by just how much (I figure that a good chunk of that 30-40% IPC boost is from the changes to the CUs organizational structure). That being said... the RX 480 series are limited by their use of GDDR5. This could be particularly true for the RX 480x.

Then the full Polaris 10 die isnt out yet? if so then RX 480 has 8GB and 2304SP and 1,26Ghz, RX 480X has 8 GB and 2560SP , then what would be the CU/Shader count for the 490(x) to match a 1070/1080? 3072-3584?with 16GB GDDR5@384bit?

Quote:
Originally Posted by sugarhell View Post

The biggest problem is that they compare the theoretical TFlops to get a comparison. All the previous GCN cards have really high peak Tflops performance but on games they can't peak so high.

I suspect that polaris can hit the peak performance much easier than fiji.

Also i suspect that polaris is so small because it's mostly a gaming card.

well people should compare to a 380(x)
RX 480 with 1,26GHz and 2304SP has 5.8TFlops, R9 380 with 1792SP and 970MHz has 3,46TFLops there is a 58.5% difference
RX 480X with 1.26GHz and 2560SP has 6,48TFlops, R9 380X with 2048SP and 970MHz has 3,97TFlops there is a 63.22% difference

maybe if there were a better GPU people wouldnt be comparing them
Quote:
Originally Posted by CataclysmZA View Post

So, looking at things right now, and given what we know about the RX 480, is Ellesmere a die shrunk version of Hawaii? I think it could be. 

The R9 390 is 5.8 TFLOPs, while the RX 480 is about 5 TFLOPs or faster, depending on who you talk to. 36 compute units and 64 ROPs sounds like a cut-down Hawaii chip, and 40 CUs with a die shrink and a clock speed boost would easily yield GTX 980 Ti-like performance (if not beat it soundly and eat its children for breakfast).

If the rumored RX 490 is $299, NVIDIA might have to drop the price of the GTX 1070 early into the card's life cycle, but not too early to annoy their partners and customers.
Polaris is more than a nodeshrink. it isnt like Pascal using similar pipeline as Maxwell, GCN4 like mahigan said adds more cache L2,improved geometry processor(he claims that AMD added some kind of back face culling like Nvidia gpus has), better GCP and keep/improved Memory compression From GCN3
Edited by PontiacGTX - 6/2/16 at 9:19am
post #766 of 1394
Quote:
Originally Posted by Colossus1090 View Post

Yeah and I don't think the 780 is technically VR ready unless you do some substantial overclocking.

Not even looking into VR i just think it'd be a substantial upgrade for cheap. Which i've been trying to sell myself to hold off for Vega. But man Kepler has fallen so behind it's not even funny. I think Polaris would suite me well for the time being.
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post #767 of 1394
Quote:
Originally Posted by lolfail9001 View Post

3.5/4

Your a close second, Kyle from Hardocp score a perfect 4.0 thumb.gif
Quote:
Originally Posted by PontiacGTX View Post


Polaris is more than a nodeshrink. it isnt like Pascal using similar pipeline as Maxwell, GCN4 like mahigan said adds more cache L2,improved geometry processor(he claims that AMD added some kind of back face culling like Nvidia gpus has), better GPC and keep/improved Memory compression From GCN3

DX11 game tests will be interesting to see how the ipc has changed but drivers will be early also as they changed things around a bit.
Lot of if and unknowns but at least price is set biggrin.gif
I know what I want and if there is such a card I jump on it asap
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post #768 of 1394
Quote:
Originally Posted by PontiacGTX View Post

Then the full Polaris 10 die isnt out yet? if so then RX 480 has 8GB and 2304SP and 1,26Ghz, RX 480X has 8 GB and 2560SP , then what would be the CU/Shader count for the 490(x) to match a 1070/1080? 3072-3584?with 16GB GDDR5@384bit?

well consider this, the 380x has 32cu. Full die p10 is 40cu. Hawaii is 44cu. Fury is 60cu.

if polaris keeps the same relation as hawaii is to 380x, then your would expect the 490x to have 55cu or 3520sp. Moving up If that holds to be true the top end fury replacement will have 75cu or 4800sp
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post #769 of 1394
Quote:
Originally Posted by lolfail9001 View Post

AMD were not saying a thing about Polaris in 2015, try again. Also, no, framerate was not capped, you can quit making up excuses considering AMD's marketing guy already explained everything there is to explain.

You just didn't know it was Polaris. wink.gif
Dec 2015
http://wccftech.com/exclusive-amd-pursuing-aggressive-performance-watt-finfet-generation-d-gpus-vega10-codename/
Try again.

edit: corrected date
Edited by Redwoodz - 6/2/16 at 9:36am
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post #770 of 1394
Quote:
Originally Posted by Redwoodz View Post

You just didn't know it was Polaris. wink.gif
July 2015
http://wccftech.com/exclusive-amd-pursuing-aggressive-performance-watt-finfet-generation-d-gpus-vega10-codename/
Try again.

Your link states literally nothing but only pursuing mainstream market.

Either way, Skymtl already debunked my delusion, so time to move on and i have to lower my expectation below my admittedly low level now -.-
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