AMD Polaris Thread: Radeon RX 480, RX 470 & RX 460 launching June 29th

[Sweepr]

Now take a look at Polaris 10, it is 65% the price of the cheapest 390X ($350) but offers around the same performance as 390X in firestrike.

That remains to be seen. What if these scores come from (factory) overclocked models?

The only number AMD provided is 6.3 @ SteamVR, which is significantly lower than Radeon R9 390X's score (7.8).

 

[casiofx]

That remains to be seen. What if these scores come from (factory) overclocked models?

The only number AMD provided is 6.3 @ SteamVR, which is significantly lower than Radeon R9 390X's score (7.8).

Maybe you had forgotten that the 390X have no reference model too? Which 390X used in that test? As you know just overclocking hawaii will give quite an increase of vr score

We know that RX 470 is 67DF:C4 model, right?

http://ranker.sisoftware.net/show_d...a09dac8ae2dfeaccb489b89efb9ea393b5c6fbc3&l=en

It has 36 CU's as it looks like.

Why would RX470 have same number of SP cores as RX480? So just overclock RX470 = RX480?

 

[Sweepr]

Maybe you had forgotten that the 390X have no reference model too? Which 390X used in that test? As you know just overclocking hawaii will give quite an increase of vr score

Around 7.6-7.8 (1, 2) in all places I looked, so not a big difference. Still a healthy >20% above 6.3.

 

[Silverforce11]

We know that RX 470 is 67DF:C4 model, right?

http://ranker.sisoftware.net/show_d...a09dac8ae2dfeaccb489b89efb9ea393b5c6fbc3&l=en

It has 36 CU's as it looks like.

http://ranker.sisoftware.net/show_r...efdce4dde4d5e5c3b18cbc9aff9aa797b1c2ffc7&l=en

C7 is 36 CU.

It would not make sense for 470 to not have cut shaders. I think the C4 is 2048 SP.

Though there's also C8, C9 and CA (A = 10 in hexadecimal)... these are device IDs so different ES/SKUs.

 

[casiofx]

Around 7.6-7.8 (1, 2) in all places I looked, so not a big difference. Still a healthy >20% above 6.3.

Not to mention is steam vr score correlate to overall performance? No. Lower score means more frame spikes. Driver problems?

GTX970 is 6.9 and R9 380 2GB is 3.5. Does the GTX970 doubles the performance of R9 380 in games?

 

[tviceman]

I believe it's a cut down chip. Just like Tonga's 384 bit bus and full shaders which were cut. We later learnt that from detailed die shots.

The reasons why I think it's 40 CU, is because of two reasons:

1. Polaris 11 was leaked as a 20 CU 1280 SP chip (manifest and SiSoft database). In GPU design, it is cost effective and time effective when scaling up or down to double up for a chip that's more than twice as big. 20 -> 40 CU. This is especially true for the same generation of architecture.

Then the leak was obviously wrong. Polaris 11 isn't 20 CU's. It's 16, which neither matches up to being half of 36 or 40 and completely invalidates your theory. Furthermore, 28nm GCN didn't follow your guide to being cost effective by doubling or halving chip functionality. Tahiti was 2048 CUs, Pitcairn was 1280 CU's. Hawaii was 2,816 CU's, while Tonga was 2048, Fiji was 4096, and Bonaire was 896 CU's. The only thing doubled there was Tonga to Hawaii. No matter how sound your reasoning might be, your argument is entirely wrong.

I believe it's a cut down chip. Just like Tonga's 384 bit 2. PS4 Neo confirmed 36 CU Polaris 10. Nobody sane would build a mass volume APU with only 36 CU and try to get most chips usable with all 36. It would have to be a redundant harvested part that makes it into the final volume PS4 Neo. This means >36 CU.

It's only 230mm2. The PS4 and XB1 are mass volume APU's that do not have built in redundancy. Why does it suddenly matter now to build it in? I'll give you 2 additional reasons why it's not a cut down chip, on top of countering both of yours.

1. It's ~230mm2. There is absolutely no reason to have 3 SKU's at launch - a full die, a cut die, and a further cut die - for a smaller sized chip when AMD already facing a massive performance deficit. Pitcairn didn't have 2 cut down parts, Barts didn't have 2 cut down parts, GF116 didn't, and neither did GM206. GK106 only intro'd a 3rd SKU (GTX 650 TI BOOST) more than 6 months after it came to market to compete with Bonaire when they left a huge gap between the GTX 650 TI and GTX 660. There is a very real and clear pattern of ~215-230mm2 chips only getting 2 SKU's, with a third emergency SKU coming half a year later to fill large gaps being attacked by the competition.

2. AMD's own slides say Polaris 10 has 36 CU's. It doesn't say RX 480 has 36 CU's.

There really isn't more to say. Your graph you linked has an obvious error between the 390, 390x, and RX 480 which brings it to question it's validity. Everything is shaping up to RX 480 and P10 being a complete disappointment on the performance front. ~65% slower than GP104, an absolutely massive gap when compared to first gen 28nm cards at their release.

 

[Silverforce11]

It's only 230mm2. The PS4 and XB1 are mass volume APU's that do not have built in redundancy. Why does it suddenly matter now to build it in?

You should check it again.

http://www.anandtech.com/show/7546/chipworks-confirms-xbox-one-soc-has-14-cus

Both PS4 and XB1 had cut CU to improve yields.



Time will prove me wrong or right. We shall learn soon enough once Apple announce their new lineup.

ps. Tahiti and Hawaii were different GCN generation. All signs point to Polaris 11 and 10 as being the same, just Polaris 10 is larger (almost 2x actually!)...

 

[96Firebird]

It's not the same price.

$699 1080 vs $649 980Ti. Most custom 1080 are around $699 as well, with some of them even higher. -_-

People keep on using this false MSRP when the cards are selling way above that.

Right now in my region, 1080s are ~$1179 AUD while 980Ti custom models are $899.

Actually you can tell who are shilling by their claims about the price of the 1070 and 1080. Some folks love to lie that it's selling for $379 and $599. A quick check in the USA (where the prices are the best), Newegg, you find they are selling for much higher than that. So why do they keep on repeating the lie?

Do the $620 and $650 aftermarket cards on Newegg not count?

I would say only a shill would ignore those...

 

[Silverforce11]

Do the $620 and $650 aftermarket cards on Newegg not count?

I would say only a shill would ignore those...

Sure they do count. If you can buy it for less go for it.

But there's plenty of $699 and above models to boot and NONE at $599. So stop saying it's $599, it's a damn lie.

Even with good prices in the USA, it's wrong.

http://www.newegg.com/Product/Produ...tx&N=100007709 601201888 601203901&isNodeId=1

It you are outside the USA, forget about it. It's massively higher than MSRP and heaps more expensive than supposedly $649 980Ti.

 

[lukart]

And another bad news for you guys waiting to buy RX470 at 149$... it will retail for 179$.

 

[xpea]

Also, if the embargo is lifted on these AMD slides (the fine print says June 13, 11am PST) then why hasn't the deck been posted by any reputable site? I checked Anandtech, nothing. TPU, nothing. Tom's Hardware, nothing. TechReport, nothing.

Ryan from Anandtech confirmed on beyond3d forum that the slides are legit... but AMD forgot to send them on time...

yeah I know another AMD marketing "moment" :\

edit: all slides here: http://www.hardware.fr/news/14685/radeon-polaris-rx-470-rx-460-apres-rx-480.html
see the update section at the bottom of the page

 

[OILFIELDTRASH]

Bottom line to me is 390 (hopefully more) performance for $200. Don't really care how big the die is or anything else. If you want a faster card nvidia is available for you. The price performance ratio doesn't add up for me with nvidia lineup currently for my wallet. To each his own though.

 

[casiofx]

Do the $620 and $650 aftermarket cards on Newegg not count?

I would say only a shill would ignore those...

I would like to know how you can buy out of stock cards ahaha

 

[tviceman]

You should check it again.

http://www.anandtech.com/show/7546/chipworks-confirms-xbox-one-soc-has-14-cus

Both PS4 and XB1 had cut CU to improve yields.



Time will prove me wrong or right. We shall learn soon enough once Apple announce their new lineup.

ps. Tahiti and Hawaii were different GCN generation. All signs point to Polaris 11 and 10 as being the same, just Polaris 10 is larger (almost 2x actually!)...

Believe what you want, it really doesn't matter. P10 is debuting with a much, much larger performance delta between it and GP104 than Pitcairn had with GK104. All the predictions and hype are falling horribly flat. It's really no wonder Nvidia priced GTX 1070 MSRP at $379 and spec'd out as cut down from GTX 1080 as it is. Maintaining a 40% advantage is a huge leap, the kind that buyers will often overlook perf/$ when it comes to decisions, especially when building a new rig from scratch. $199 is still a good deal if it actually sells for that but the chip is stacking up to be a technical disappointment.

 

[Armsdealer]

Wtf is this nonsense. Now wccf is releasing detailed benchmarks inline with the Chinese leaks.

 

[Sweepr]

And another bad news for you guys waiting to buy RX470 at 149$... it will retail for 179$.

They need to make a profit from this 232mm² 14nm LPP GPU, personally I'm not surprised about the small price gap.

 

[Silverforce11]

http://wccftech.com/amd-rx-480-faster-than-nano-980/

These guys claiming they also have retail samples and not under NDA. They posted on reddit yesterday that today will be a lot of info reveal.

Under typical gaming loads the RX 480 draws roughly 100 watts and cruises along at around 60 degrees Celsius/Centigrade in an open air bench.

Although very excitingly, according to what we’ve learned, AMD’s RX 480 and even the RX 470 put on a better show in actual games vs what we’re seeing in 3DMark. Especially in DirectX 12 games. So if the cards end up showing better gaming performance come June 29th than what’s indicated by the 3DMark scores we’ve seen, do not be surprised.

 

[Sweepr]

Wtf is this nonsense. Now wccf is releasing detailed benchmarks inline with the Chinese leaks.

This WCCFTech 'source' certainly sounds very familiar:

The RX 480 4GB & RX 480 8GB were benchmarked with an Intel Core i7 4960X six core Ivy Bridge-E CPU by the source.

www.youtube.com/watch?v=O_qg2PITCts

Exact same CPU as the recent asian guy (who faked results), and similar results as well. Core i7-4960X is not a very popular, easy to find CPU.

BTW, about Lisa Su's $100-300's range:

We’re told that AMD’s partners are preparing a huge array of graphics card options. Including some serious “beast mode” 8GB cards that will sell for up to $299 and overclock to the moon.

 

[crisium]

Oh no, the roller coaster hype training is back. This is worse than the stock market.

 

[Silverforce11]

Oh no, the roller coaster hype training is back. This is worse than the stock market.

The range seems to be 10-20% from these leaks.

Funny since both claim they have retail cards and Videocardz is saying it's 100%. lol If they are wrong, it will hurt their credibility.

 

[96Firebird]

I would like to know how you can buy out of stock cards ahaha

Your post only makes sense if you don't think the cards in question will ever come back into stock.

In other words, your post doesn't make sense.

 

[xpea]

AM I the only one concerned about lack of innovation inside Polaris ?
AMD tweaked CGN, made it for 14nm and voila, called it a day...
And they continuously talk about VR but they bring nothing to the table. At least Pascal brings SMP. And with multires shading, I'm afraid that GP106 will smoke RX480 in VRWorks titles
still waiting for official reviews and more details, but so far not impressed by Polaris VR capabilities

 

[crisium]

So sorry.

 

[Vesku]

But AMD stated about 290, not 390 and score is matching perfectly to it. Compared to 970 is a little bit (3% ?) slower than 970 - it's not far behind. But what people were expecting from new process it's different story.

If it's 232mm2, given 14nm FF density it should be beating the 970 by a decent margin, I'd expect 20%. Does H265 encode/decode block take up a large xtor budget or something?

 

[oussama-tn]

So sorry.

Missing cf 480 faster than 1080:thumbsup: