[REDDIT] Alleged specifications of AMD's upcoming high-end Navi 21 GPU leaked on Chinese message board - Overclock.net - An Overclocking Community
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[REDDIT] Alleged specifications of AMD's upcoming high-end Navi 21 GPU leaked on Chinese message board

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post #1 of 105 (permalink) Old 12-31-2019, 01:05 PM - Thread Starter
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[REDDIT] Alleged specifications of AMD's upcoming high-end Navi 21 GPU leaked on Chinese message board

https://www.ptt.cc/bbs/PC_Shopping/M...117.A.216.html via Reddit

Quote:
Link (in Chinese): https://www.ptt.cc/bbs/PC_Shopping/M...117.A.216.html

Alleged specs:

TSMC 7nm+

505mm² Die

GDDR6 memory

twice as fast as Navi 10

For reference the 5700XT has a die size of 251mm², Nvidia's RTX 2080 sits at 545mm² using the older 12nm process.

Of course these are just rumors, so take it with a grain of salt.
https://wccftech.com/amd-radeon-rx-n...ie-size-rumor/

https://hothardware.com/news/amd-rad...1-gddr6-rdna-2

Jeeeeeesus. How much power is this going to eat?!?!?!? Not that I care, as long as the performance is there. No way they can just put a blower on that if even remotely true.
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post #2 of 105 (permalink) Old 12-31-2019, 01:24 PM
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Power generally scales less than linearly with die size. Given that the die size is double 5700XT, power will probably fall somewhere around double the non-XT at ~ 300w, roughly on par with the Radeon VII/Vega64 or an overclocked RTX 2080TI.

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post #3 of 105 (permalink) Old 12-31-2019, 01:28 PM
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Hope they will fix multi-monitor idle clocks for memory, but since this issue is present since GCN 1.0 I highly doubt it.

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post #4 of 105 (permalink) Old 12-31-2019, 01:59 PM
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When Is the question. Who cares if its faster then a 2080ti when 2080ti is on its way out next year.
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post #5 of 105 (permalink) Old 12-31-2019, 02:32 PM
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but when, and by how much

woot, we're almost there. late 2020/2021 gonna be epic.

I'm doing my damndest to hold out for 2021, but it would be much easier to do with a gpu core i utilize all of.

woo these goin be hard to get your hands on. get them order bots ready!

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Last edited by skupples; 12-31-2019 at 02:36 PM.
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post #6 of 105 (permalink) Old 12-31-2019, 02:50 PM
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Sounds like the upgrade I've been waiting for... at the right price of course.


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post #7 of 105 (permalink) Old 12-31-2019, 02:53 PM
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right? sounds like a great card to coast on into 2021, and will probably be here Q2-3 2020. It really bothers me that I purchased a chip with HARDWARE LEVEL DIE SPACE TAKING tech I'll never use

at least, my first guess is that this will come before the consoles. Likely ~3080 drop. oof, the war's have begun? are we back? Genuine GPU wars with Intel sweeping in from the North East at the end of the fight once everyone is starving?

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post #8 of 105 (permalink) Old 12-31-2019, 03:47 PM
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Quote: Originally Posted by Ha-Nocri View Post
Hope they will fix multi-monitor idle clocks for memory, but since this issue is present since GCN 1.0 I highly doubt it.
Thinking back to some weird issues I had with my ol 290x..this might have been why

regardless I won't buy an AMD card at this point. They scared me away after that and the Fury flickering fiasco.

Seen a lot of people on r/amd trade in their 5700xt for a 2070/s.

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post #9 of 105 (permalink) Old 01-01-2020, 01:17 AM
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This monstrous 5900XT will be having 5120 +/- 1024 Stream processors.


Dont forget they are using 7nm+, which contain 20% more transistor density than 7nm. At >2x the die space we are talking about a huge ~22-24 Billion transistors. And if it really twice as fast as 5700XT it will definitely be ~40% faster than 2080 Ti. Of course the gigantic die size could be inflated due to AMD's RT hardware so begin twice as fast could be exaggerated.


But its a monster for sure lol.

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post #10 of 105 (permalink) Old 01-01-2020, 02:36 AM
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Quote: Originally Posted by guttheslayer View Post
This monstrous 5900XT will be having 5120 +/- 1024 Stream processors.


Dont forget they are using 7nm+, which contain 20% more transistor density than 7nm. At >2x the die space we are talking about a huge ~22-24 Billion transistors. And if it really twice as fast as 5700XT it will definitely be ~40% faster than 2080 Ti. Of course the gigantic die size could be inflated due to AMD's RT hardware so begin twice as fast could be exaggerated.


But its a monster for sure lol.
I doubt it will be twice as fast. Performance is no linear to how many cores it has. There are other factors like core speed, memory bandwidth and memory speed, as well as heat.
The 5700 XT is a 225W card. If the new one is going to be limited to 300W (which is expected), that means you will have a slower core to compensate for the heat, and I expect a much slower core. Even the 2080 TI is 300mhz slower than the 2080 super in order to handle the amount of heat the extra 41% cores generate. Larger memory bandwidth might compensate some of it, but not enough to make it twice as fast.

And you are comparing it to the 2080 TI. Nvidia are expected to release their own 7nm based on same TSMC manufacturing , so even if by some miracle AMD can pull such a performance increase, I expect nvidia to dwarf that when their bigger GPUs coming next year.

Quote: Originally Posted by aDyerSituation View Post
Thinking back to some weird issues I had with my ol 290x..this might have been why

regardless I won't buy an AMD card at this point. They scared me away after that and the Fury flickering fiasco.

Seen a lot of people on r/amd trade in their 5700xt for a 2070/s.
I would not buy AMD GPUs since they seem to not even care about supporting their own hardware.



Last edited by Defoler; 01-01-2020 at 02:46 AM.
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