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Polaris RX 480 / RX 470 / RX 460 Discussion Thread - Page 9  

post #81 of 991
Thread Starter 
Quote:
Originally Posted by prznar1 View Post

Guys, this thread will become Polaris Owners Thread anyway so just remove the question mark from title tongue.gif

When i get home from work i'll modify it and make it the Unofficial thread. If i end up not getting polaris though i'll have to transfer the thread to someone.
post #82 of 991
Quote:
Originally Posted by lolerk52 View Post

Wonder if AMD planned for this, or if they got delayed by a good year lol
if they do the same with vega then i guess yes
wasnt a week ago we heard they just taped it out?
its like 9 months away
post #83 of 991
Can you test heaven 1080p extreme preset with rx 480?
post #84 of 991
Quote:
Originally Posted by lolerk52 View Post

Can you explain what risk production is actually?
I can't find a good place to read about respins, revisions and concepts like risk production.

It is an engineering sample. You need at least 2-3 revisions on a new node if you want to produce high volume and be sure for the stability.

From the semiaccurate forums there is a speculation that this is the problem with GP104. Even if the A0 revision is working alright then the next revision maybe it's not that stable. But *speculation*


We had many amd and nvidia gpus on A0 revision the previous years.
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post #85 of 991
Quote:
Originally Posted by sugarhell View Post

In general, A0 or A1 is risk production like GP104.

HD 3870 launched at A0 AFAIK. Sometimes there are follow up spins. The 4890 was an example of this.

Nvidia usually launches with A1-2, and may follow up with a base spin later in the products life. GT200 had 3-4 spins thought its lifetime.

It is tracking changes to the silicon. If it runs right the first time, there are usually no revisions made.
Edited by KarathKasun - 6/28/16 at 12:10pm
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post #86 of 991
Quote:
Originally Posted by KarathKasun View Post

HD 3870 launched at A0 AFAIK.

Nvidia usually launches with A1-2.

It is tracking changes to the silicon. If it runs right the first time, there are usually no revisions made.

Probably AMD could launch months ago but they choose not to. I don't know the reason maybe the 14nm LPP node needs more work for a gpu design
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post #87 of 991
more benchmarks please redface.gif
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post #88 of 991
Thread Starter 
Quote:
Originally Posted by hellr4isEr View Post

more benchmarks please redface.gif

*Chants above quote*
post #89 of 991
Quote:
Originally Posted by cscheat View Post

I do not have steam. 3D Mark GPU Score 12508

my temp looks good even running the 3D Mark Fire Strike ... hovers around 45-50

can you compare some games at 1440 and 4k with stock and OCed memory with highest quality texture
post #90 of 991
Quote:
Originally Posted by Deadbeard View Post

It's all in the stepping. Stepping C is a third rework of the chip after A (engineering samples) and B (first run tests iirc), then 7 is the 7th revision of that stepping.

TBH all this says is that the chip could've been released probably a couple months ago, but AMD wanted to work on it more/build more stock.

Interesting. It makes me hopeful that Vega could be a significant change rather than just Polaris + HBM2, if it was originally planned to come out ~12 months after Polaris as that implies.
Hopefully Vega and Zens don't run into the same issues, now that they've used Polaris to get a handle on the new process.
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