Vega/Navi Rumors (Updated)

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JDG1980

Golden Member
Jul 18, 2013
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1. Exactly. People just need to put 2+2 together. AMD and Nvidia run full simulations of chips before they are ever taped out. They know to a fairly high level of confidence how their chip will perform. They did not regress so extremely from Polaris.

The problem is, you've basically just argued that Bulldozer didn't exist.
 

Snarf Snarf

Senior member
Feb 19, 2015
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Right. Years ago it was impossible. Nobody can say something is never going to be possible. People were predicting years ago that AMD was going to do it years ago.

The effectiveness of AMD's Infinity Fabric wasn't a known quantity back then. It definitely was never impossible, just very difficult. High bandwidth data fabric is what will make this possible, the next necessary thing is a hardware scheduler or controller than splits the commands from the system into the various dies so that they are transparent to the system.
 

swilli89

Golden Member
Mar 23, 2010
1,558
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The problem is, you've basically just argued that Bulldozer didn't exist.
Actually haven't we read many times they predicted the slight IPC regression? Bulldozer was supposed to be able to scale to much higher clocks than it did, at better efficiencies. This was what really gave Global Foundries such a bad reputation.. that first gen 32nm process was pretty bad to start. There was also AMD's bet that CPU's would move to be more integer computation intensive and so then shared the floating point unit between "cores".

I don't think there was any major gamble like that to be made in graphics processing for Vega. I mean Direct X 12 and Mantle were already pretty much set in stone early on in Vega's development. I think the culprit may be that AMD truly did decide to gamble in regards to remaining very GPGPU compute heavy in its architecture. We see this shown in professional work loads already with Vega FE...
 

Despoiler

Golden Member
Nov 10, 2007
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AIBs get the final source BIOS for Radeon RX Vega on August 2
Source:3DCenter.org

Latest Rumor.

So we will probably get a preview @ SIGGRAPH or a reference card only launch. Custom cards coming in September. The only other plausible place they could launch RX Vega is Quakecon in late August. I mean AMD was pushing Quake Champions so....

EDIT: I'll say it again, SIGGRAPH would be a weird trade show to launch a gaming card. It's for professionals, industry, etc.

No mention of RX.
https://pro.radeon.com/en-us/amd-capsaicin-siggraph-2017/
 
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tential

Diamond Member
May 13, 2008
7,355
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Although the latest driver is out and doesn't provide any mention of Vega, is it possible there could be Vega improvements? I'm sure we'll get a ton of rumors soon enough.

Are all driver improvements always mentioned in changelog?

So we will probably get a preview @ SIGGRAPH or a reference card only launch. Custom cards coming in September. The only other plausible place they could launch RX Vega is Quakecon in late August. I mean AMD was pushing Quake Champions so....

EDIT: I'll say it again, SIGGRAPH would be a weird trade show to launch a gaming card. It's for professionals, industry, etc.

No mention of RX.
https://pro.radeon.com/en-us/amd-capsaicin-siggraph-2017/

Experience our fieriest additions to the cutting-edge Radeon™ “Vega” architecture.

I feel like we're expected to know that's the RX. Considering the Frontier and WC will be out by then, the only thing they could be talking about is RX. It'd be weird for them to give a presentation about Frontier now.
 

Despoiler

Golden Member
Nov 10, 2007
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Although the latest driver is out and doesn't provide any mention of Vega, is it possible there could be Vega improvements? I'm sure we'll get a ton of rumors soon enough.

Are all driver improvements always mentioned in changelog?

The latest C1 leak has an ~8000 higher 3dmark score than the FE. Videocardz claimed the chip was overclocked, but I don't buy it. It has a newer driver than FE and 1080+ levels of performance is where AMD would want to be. If they are trying to get the card out the door they would be trying to hit their clockspeeds, power targets, utilization, etc and not trying to do OC runs.
 

Shmee

Memory & Storage, Graphics Cards Mod Elite Member
Super Moderator
Sep 13, 2008
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I am looking forward to QuakeCon, would be awesome to see RX Vega there.
 

tviceman

Diamond Member
Mar 25, 2008
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1. Exactly. People just need to put 2+2 together. AMD and Nvidia run full simulations of chips before they are ever taped out. They know to a fairly high level of confidence how their chip will perform. They did not regress so extremely from Polaris.

2. Eh.. not really. If Vega cores themselves are solid then AMD will still be the only company on the planet that can provide a high performance APU. 1024 down clocked Vega cores with a 4C zen cluster will be an absolute monster.

They trade blows but look at the power consumption. GTX 1060 is in it's own league. The RX 480 was consuming 30% more power, and now the RX 580 is consuming nearly 2x as much power. Also compare the RX 560 to the GTX 1050 TI. The RX 560 draws more power (25-30% more power), is 15-20% slower, and is only 10mm2 smaller.

Pascal is simply way more efficient than anything AMD is putting out right now, which is why we are seeing Vega FE hit a wall in performance. At 280-300 watts, it's only going to be in the same performance ball park as the GTX 1080.
 
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JDG1980

Golden Member
Jul 18, 2013
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Interesting video.

Undervolting doesn't work in the current drivers/BIOS. And even when downclocked to 1000 MHz, Vega can use as much or more power as Fury X despite the node shrink. None of this makes any sense.

Add this to the news that RX Vega AIBs won't be getting BIOSes until early August, and the respin hypothesis is starting to look a bit more credible. If it's true, I wonder how Frontier Edition buyers will feel about having paid $1000-$1600 for trash silicon that can't be fixed. AMD made a big mistake by releasing this instead of just admitting that they missed the H1 2017 milestone.
 

Qwertilot

Golden Member
Nov 28, 2013
1,604
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It really is a bit bizzare if true that. A bit of money back of course, but surely the reputational damage isn't worth it?

The AIB stuff only arriving in September really isn't at all comforting. The 980 arrived in mid September.....
 

Ancalagon44

Diamond Member
Feb 17, 2010
3,274
202
106
The problem is, you've basically just argued that Bulldozer didn't exist.

First, simulation isn't perfect, second, even if they knew, it was probably too late to start again.

Third, business doesn't always do what is right. Sometimes politics play a role. You never know if Bulldozer was some executive's pet project, and he did everything to get it released, even when it was obvious that it sucked.

Also, AMD have said that they expected software to become more multithreaded quicker than it did.
 

psolord

Platinum Member
Sep 16, 2009
2,015
1,225
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Undervolting doesn't work in the current drivers/BIOS. And even when downclocked to 1000 MHz, Vega can use as much or more power as Fury X despite the node shrink. None of this makes any sense.

Add this to the news that RX Vega AIBs won't be getting BIOSes until early August, and the respin hypothesis is starting to look a bit more credible. If it's true, I wonder how Frontier Edition buyers will feel about having paid $1000-$1600 for trash silicon that can't be fixed. AMD made a big mistake by releasing this instead of just admitting that they missed the H1 2017 milestone.

Since the volume will be small, the honest thing for AMD to do, is offer a free replacement. If there will be actual fixed silicon that is.

As said many times, the big why did they launch it pops to mind once more, in the hopes that shareholders satisfaction is the only possible explanation. Although I am not so sure how happy a shareholder would be with all this criticism and doubt lurking around.

Who knows maybe they plan to pull off a GF110.
 

CatMerc

Golden Member
Jul 16, 2016
1,114
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Since the volume will be small, the honest thing for AMD to do, is offer a free replacement. If there will be actual fixed silicon that is.

As said many times, the big why did they launch it pops to mind once more, in the hopes that shareholders satisfaction is the only possible explanation. Although I am not so sure how happy a shareholder would be with all this criticism and doubt lurking around.

Who knows maybe they plan to pull off a GF110.
What would pulling off a GF110 mean?
 

EXCellR8

Diamond Member
Sep 1, 2010
3,982
839
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AMD are THE conductors of the hype train... too bad green team never really gets stuck on the tracks
 
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Elixer

Lifer
May 7, 2002
10,376
762
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So, they are going to be doing what exactly? FPS counters off? Side-by-side comparing between 2 GPUs? They don't really say.
Anyone close to any of those locations?
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
25,761
14,785
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So, is that Portland Oregon, or Portland Maine ?

Edit: I googled it, its in Oregon, 10 miles from my house. But I will be in Portland Maine at that time (actually, just Maine, but...)
 
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