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[Guru3d] Radeon RX 500 Series fabbed using newer 14nm LLP - Page 4

post #31 of 237
Quote:
Originally Posted by Pyrotagonist View Post

There are already official 95W Ellesmere based designs, but for the embedded market.

http://www.anandtech.com/show/10710/amd-announces-embedded-radeon-e9260-e9550

Couple of interesting things in that article, really. The 95W Ellesmere chip runs at the same frequencies (on paper) as the RX 480, but with slightly slower RAM, at below <=95W (on paper). Also there's an 896 shader chip that's supposed to run at 1.4GHz, though I wonder if it's actually 1024 shaders at 1.2GHz or so.

Interesting. Cherry-picking the best chips? Undervolting? Aggressive power management? I can't imagine that, just four months after the 480 launched, they could cut TDP by 35%, and the memory alone certainly can't explain it.

Quote:
Originally Posted by Bluescreendeath View Post


So a 65nm Core2Duo to a 45nm Core2Duo or a 65nm G92 9800GTX to a 55nm G92 GTS250 are "refreshes"?

But a 28nm Kepler GTX600 to a 28nm Kepler GTX700 or a 28nm AMD HD7000 to a 28nm AMD RX200 or 28nm AMD RX300 (except Fury) are all simply rebrands?

So basically, there has never been a CPU rebrand, but there have been plenty of GPU rebrands.

Well, the CPUs used a new process. wink.gif

Also, for what it's worth, 28nm did have rebrands (i.e. a new SKU nearly identical to an old one) but also some changes to the designs. There were three iterations of GCN and two of Kepler, though Kepler 2 was only in the highest-end Teslas and the lowest-end budget chips.
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post #32 of 237
Quote:
Originally Posted by Clocknut View Post

the rebrands only tells you 1 thing

the top vega is not anywhere near as fast as a fully enabled GP102.

How do you work that one out? I actually agree with you that Vega is unlikely to compete with GP102 in max performance but I don't see how releasing a refreshed Polaris is any indication of how Vega is going to perform?
post #33 of 237
Quote:
Originally Posted by Ultracarpet View Post

Just wait til the 4c 8t ryzens hit. $170 CPU, $80 Mobo, $160 GPU gets you a crazy capable gaming PC.

Seriously though! AMD is bringing the cost of premium 1440p gaming on PC down to near console levels. And I'm not talking about the typical $400-500 systems you could build recently where you still had to turn down settings. Your example build should be able to max out most all games at 1440p or less no problem (and laughably more powerful than even the PS4 Pro and Scorpio)! Great time for PC gamers.
post #34 of 237
Quote:
Originally Posted by Horsemama1956 View Post

They really need to toss the 460 down to a 450(550 rebrand name) and bring something decent out as the 560. The gap between the 460 and 470 is no joke and where a huge chunk of sales are going to be. Dunno if they can do that at 75w though.

the 560 will be a fully unlocked polaris 11 chip, so it'll have 20% more cores and a higher base clock rate, and probably still use less power than a 460. Still, without some of the efficiency improvements that vega will have, it'll be interesting to see where it'll land.thumb.gif
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post #35 of 237
Quote:
Originally Posted by Pyrotagonist View Post

There are already official 95W Ellesmere based designs, but for the embedded market.

http://www.anandtech.com/show/10710/amd-announces-embedded-radeon-e9260-e9550

Couple of interesting things in that article, really. The 95W Ellesmere chip runs at the same frequencies (on paper) as the RX 480, but with slightly slower RAM, at below <=95W (on paper). Also there's an 896 shader chip that's supposed to run at 1.4GHz, though I wonder if it's actually 1024 shaders at 1.2GHz or so.

Nice find, hadn't seen that yet. If they're really able to reduce the 480 to 95w envelope, I'll be impressed. It is possible, but would have to be a combination of process maturity/new stepping, cherry picked binning, and slight lowering of clocks/RAM.

That 50w part would almost certainly have to be 1024 shaders at a lower frequency; makes more sense than less shaders with higher frequency. In my brief experience, Ellesmere really hits a voltage wall at ~1.3 GHz.

Quote:
Originally Posted by Ultracarpet View Post

Just wait til the 4c 8t ryzens hit. $170 CPU, $80 Mobo, $160 GPU gets you a crazy capable gaming PC.

It really is seriously crazy. Even compared to only 3 years ago, you can be crushing 1440p for essentially console prices.
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post #36 of 237
And you could spend just a tiny bit more and have an unlocked 6C / 12T monster of a workstation PC too (R5 1600)!
post #37 of 237
Quote:
Originally Posted by Majin SSJ Eric View Post

How do you work that one out? I actually agree with you that Vega is unlikely to compete with GP102 in max performance but I don't see how releasing a refreshed Polaris is any indication of how Vega is going to perform?

I hope you're wrong about max performace of Vega vs GP102, at least for competition and my wallet's sake.... I feel the need to upgrade my 760 soon and something needs to steer me in the right direction, be it price reductions or HBM2. Of course I could get a used 970 for around $150 and sell my 760 for $75 likely local and be done with it for $75 total. And since the newest game I have is dishonored 2 and dishonored 1 before that you can tell how often I upgrade for games.... first world problems here rolleyes.gif
post #38 of 237
I'd love for the top Vega to go blow for blow with the 1080Ti but I think Nvidia's OCing advantage will overwhelm it. At stock it may be on par but once the 1080Ti is clocked to 2GHz it will probably be another Fury vs 980Ti. I just hope AMD prices it right in that case. I'd happily pay $500 for a Vega that matched stock 1080Ti even if it gets beat in OCing.
post #39 of 237
Quote:
Originally Posted by Majin SSJ Eric View Post

I'd love for the top Vega to go blow for blow with the 1080Ti but I think Nvidia's OCing advantage will overwhelm it. At stock it may be on par but once the 1080Ti is clocked to 2GHz it will probably be another Fury vs 980Ti. I just hope AMD prices it right in that case. I'd happily pay $500 for a Vega that matched stock 1080Ti even if it gets beat in OCing.

It all depends on the clocking characteristics of NCU. If it delivers in the way that AMD has implied it should, with definitively higher frequencies than GCN, I believe it will beat 1080Ti, especially if there are moderate IPC gains. Even if it doesn't clock all that higher than Polaris 10, it's going to be very very close. We know for sure that big Vega has 4096 SP and 64 CU, with clocks in at least the 1200-1300 range. If AMD is indeed able to pull out such improved efficiency out of Polaris 11, that bodes very well for a refined process supporting higher clocks in Vega.
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post #40 of 237
Quote:
Originally Posted by Majin SSJ Eric View Post

I'd love for the top Vega to go blow for blow with the 1080Ti but I think Nvidia's OCing advantage will overwhelm it. At stock it may be on par but once the 1080Ti is clocked to 2GHz it will probably be another Fury vs 980Ti. I just hope AMD prices it right in that case. I'd happily pay $500 for a Vega that matched stock 1080Ti even if it gets beat in OCing.

FYI, a 2Gb clock for 1080Ti is less than 10% OVCK... The "real" boost for 1080Ti is ~ 1850MHz (...if the card is not throttling from temp resons). Pascal is not Maxwell regarding overclocking capabilities, I can tell you that... GTX1080Ti has some trumps-true, but overclocking is not one of them.
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