AMD: Speculation, Rumors, and Discussion (Archive)

That's not really necessary: the core transaction scheduling is the almost the same for all anyway. The only difference is the PHY side. Almost all memories system implantations that I've seen in there last decade separate the scheduler from the PHY.
From a scheduler point of view, a single HBM stack would look like bunch (8?) GDDR5 chips. Nothing else.

That would make very little sense.

The latency of all DRAM technologies of the same generation is essentially the same.

 

Yeah.
Worth noting one other aspect that will add to the roughly 15W difference will be the 470 being 4GB and the the 480 being 8GB and also with higher speed ram (maybe lol).
I appreciate there is also a 480 with 4GB, but the potential of this card really should be considered as primarily 8GB model (just like 390), especially when looking to run latest and future games with decent settings or resolution.

Cheers

 

I don't disagree, isn't the first poster of a thread the one who created it? IOW: you?

Edit: Ok, mod spawn. Carry on!

 

The idea I was getting at was take a portion of the controller and be able to up the frequencies to properly interface with GDDR when an interposer isn't present. Use one chip for multiple designs instead of respinning it with a different memory controller.

Idea here being channel bonding or the ability to remap the lanes to some degree. If it was even required, but it's been a while since I've messed with memory designs.

The difference being the proximity to the controller. Driving a signal over a matter of a few mm instead of cm. Part of why HBM uses less power to start. It should buy you a little headroom being closer without complicated clocking for the HBM.

 

Think it was spawned by a MOD.

 

Could have been Red Kryptonite.

 

Confirming that I didn't get the deck until this afternoon. I'm assuming here that AMD had some on-site briefings at E3 for those press who were in attendance.

 

I'm a bit speechless. Poor performance overall. Waiting for independent reviews because I don't see where goes the "biggest CGN change in history" AMD was hyping...
Otherwise, very annoying to see Polaris 10 inside RX 480 but Polaris 11 inside RX 480M. bad AMD, bad

 

seriously ?
Won't say bad things because they are people with jobs behind it, but damn, AMD marketing team is so [censored]
well, at least they are consistent in their mediocrity

 

Poor performance? latest leaked 3dmark scores put it above an overclocked 980 and even a nano and that is reference boards using 100w with expectations of boards with 8 pin connectors, two 6 pin connectors, and even a 6 and 8 pin connector iirc.

The 299$ options should probably match or exceed 1070 in certain dx12 applications.

 

That's wccftech and quite incongruent with the scores given by AMD themselves.

 

AMD themselves? did they break NDA schedule?

According to some of the comments the provider of the bench has history of being questioned and later proving being legit.

 

So wccftech decided their source is more reliable than AMDs own numbers, interesting Not saying those numbers are impossible on custom OC models though. But I highly doubt this are reference cards.

 

Numbers on 3dmark firestrike? 480? perhaps you mean leaks? if it is leaks it is easy simply by forcing it to run at base clock to lower the score.

Or do you mean amd has done some benchmark pr with the 480?

PS

if some of those benches linked are correct, it seems the 480 sli > 1080 sli in ashes.

 

AMD provided Steam VR test score of 6.3. That's stock 290 level. I really can't see how you get such a huge discrepancy between high Firestrike wccftech score and low Steam VR score. Makes 0 sense.

So either AMD is taking us all for fools, wccftech source is unreliable or this are actually legit scores but with superclocked custom cards.

 

well if these are real(probably a big if), two possibilities, something funky in the way steam calculates their score or perhaps amd used base clock.

 

all official AMD sliders here:
http://www.hardware.fr/news/14685/radeon-polaris-rx-470-rx-460-apres-rx-480.html
French article, but English slides are at the bottom of the page

 

So, which is it, 150 watts or 100? (And why is there such a range?)

If it's drawing 100 while running 3dMark Firestrike Ultra the RX 480, normalized to the 1080's tdp of 180 watts, gets a benchmark of 6,000 while the 1080 gets 5,000. If it's pulling 150 watts then it's a normalized score of 4,100. Why is there such a huge range, and even how, and is it PR bullshit? I dunno, but there's the math of it.

 

Yes it was. I have no idea why since we dont see a thread for 970, 980m980ti.1070,1070FE, etc....

 

its TDP is 150W. the card itself consumes 100W of electricity while gaming.