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

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grimpr

Golden Member
Aug 21, 2007
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Yeah, I would even say that most people that understand this stuff AND have a card certainly work/write for a site/paper and are under NDA.

Edit: But if your are looking for a leak that talks about it, here you are :



https://semiaccurate.com/forums/showpost.php?p=266518&postcount=2022

Not saying its legit!


Those two, the discard accelerator and the instruction prefetch solve AMD's biggest problems from its competitor, overtesselation etc tricks AND black box code that runs poorly on AMD from GameWorks. Can't wait to see Gameworks titles benchmarks on Polaris to find out. Awesome features by the way that bruteforce their way through Nvidias tactics and are usefull in gaming.
 

monstercameron

Diamond Member
Feb 12, 2013
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Those two, the discard accelerator and the instruction prefetch solve AMD's biggest problems from its competitor, overtesselation etc tricks AND black box code that runs poorly on AMD from GameWorks. Can't wait to see Gameworks titles benchmarks on Polaris to find out. Awesome features by the way that bruteforce their way through Nvidias tactics and are usefull in gaming.
I wouldnt jump the gun...
 

4K_shmoorK

Senior member
Jul 1, 2015
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Bumper to bumper traffic haven't moved in five minutes. People stop on green and go on red ugh.

You should see the traffic in Cleveland today. I work in a building right at the start of the Cavaliers parade. They're expecting 800,000...
 

renderstate

Senior member
Apr 23, 2016
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Those two, the discard accelerator and the instruction prefetch solve AMD's biggest problems from its competitor, overtesselation etc tricks AND black box code that runs poorly on AMD from GameWorks. Can't wait to see Gameworks titles benchmarks on Polaris to find out. Awesome features by the way that bruteforce their way through Nvidias tactics and are usefull in gaming.


They solve nothing because we know nothing about those feature. Also if a game throws visible pixel sized polygons at the screen no culling accelerator would help, especially given the fact that even DX11 allows to cull patches straight in the shader already.
 

Sweepr

Diamond Member
May 12, 2006
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Possible Ethereum Hashrate for the New AMD Radeon RX 480

We have received a tip from a reader claiming he was able to run an Ethereum hashrate test on the upcoming AMD Radeon RX 480 GPUs providing us with a photo proof that we are publishing here. Do note that for the moment we cannot confirm this result for sure, but it does seems legit enough for us to consider it as a highly possible. Unfortunately the hashrate that is apparently achieved at stock frequencies is a bit disappointing at just around 24 MHS for Ethereum Dagger-Hashimoto mining with about 100W, we are also told that with a memory overclock 26-28 MHS are possible with about 120W of power usage. If these results turn out to be true the Radeon RX 480 would not be that great for mining Ethereum as we suspected recently. On the other hand the RX 470 could end up being a much more interesting choice for low power Ethereum mining if it manages to achieve the same hashrate, but at a better price when it hits the markets sometime next month. Guess we’ll have to wait a bit more to see confirmations if this is the actual hashrate for RX 480 mining Ethereum, but with the 256-bit memory bus these results unfortunately are on track with the pessimistic expectations we already had instead of the optimistic version…

http:// c r y p t o m i n i n g - b l o g . c o m
 
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grimpr

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Aug 21, 2007
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They solve nothing because we know nothing about those feature. Also if a game throws visible pixel sized polygons at the screen no culling accelerator would help, especially given the fact that even DX11 allows to cull patches straight in the shader already.

We'll find out soon enough, in well known overtesselated titles and options in games and "badly optimized" games.
 

lukart

Member
Oct 27, 2014
172
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Most likely we will see more trustful leaks coming out as all media got their sample and drivers this wk! I'm tired of 3Dmark points.

It will prove what I been saying for quite long time... performance overall lower than 390X.
 
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Riek

Senior member
Dec 16, 2008
409
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Most likely we will see more trustful leaks coming out as all media got their sample and drivers this wk.

It will prove what I been saying for quite long time... performance overall lower than 390X.

If it were true and AMD succeeded in making its gpu perform less per flop than their previous architecture of the same kind, The only thing that would proof is that you gambled correctly.

guessing around is just gambling. gambling correctly doesn't proof you we right, it also doesn't 'proof' anything, it just means that you were lucky.
 

krumme

Diamond Member
Oct 9, 2009
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Most likely we will see more trustful leaks coming out as all media got their sample and drivers this wk.

It will prove what I been saying for quite long time... performance overall lower than 390X.
It depends on clock on aib versions. If 1400/1500 is common here its as fast if not faster than 390x for the cards that is actually sold for the 1080 res. Like the 980ti situation.
390x didnt exactly sell at high clocks.

As rs stated back when 980ti was released it made no sense to compare eg fiji to it at standard clock as practically all sold card were running on 20% oc.
 

krumme

Diamond Member
Oct 9, 2009
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And we need real gaming bm. Minimum and frame variance result. And oc results from retail cards. Not some Jensen version.
 

Sweepr

Diamond Member
May 12, 2006
5,148
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Most likely we will see more trustful leaks coming out as all media got their sample and drivers this wk! I'm tired of 3Dmark points.

It will prove what I been saying for quite long time... performance overall lower than 390X.

If the 3DMark results above reflect gaming performance you're correct. Radeon R9 390X is:

- 4.7% faster than RX 480 in 3DMark 11 Performance GPU*
- 6.1% faster than RX 480 in 3DMark 11 Extreme GPU
- 4.8-6.3% faster than RX 480 in 3DMark Fire Strike Performance GPU**
- 4.5-10.1% faster than RX 480 in 3DMark Fire Strike Ultra GPU**

*KitGuru (VCZ result for R9 390X is lower than their R9 390 result)
**Videocardz/TweakTown
 
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sze5003

Lifer
Aug 18, 2012
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Overall it doesn't disqualify it from being a good card. Well at least for me it will still be an upgrade.
 

Pheran

Diamond Member
Apr 26, 2001
5,849
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Great 3D11p score.


FS Ultra score is bad, hope it gets better with new drivers.

Not sure what you are expecting here, the 480 isn't going to do well at 4K, it's just not equipped for that. I'm pushing the limit hoping that it will handle 1440p decently.
 

Qwertilot

Golden Member
Nov 28, 2013
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One thing to be wary of/watch for when games do come out are some of the games that seemed to come very optimised specifically for the 390/X - presumably due to it matching the console architectures/sub optimal optimisation work for the PC port.

Polaris is changed quite a bit it seems, so it might rather struggle to match its older brethren in such games. It'll be fine that way long term of course, just not yet/with the older ones
 

krumme

Diamond Member
Oct 9, 2009
5,956
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If the 3DMark results above reflect gaming performance you're correct. Radeon R9 390X is:

- 4.7% faster in 3DMark 11 Performance GPU*
- 6.1% faster in 3DMark 11 Extreme GPU
- 4.8-6.3% faster in 3DMark Fire Strike Performance GPU**
- 4.5-10.1% faster in 3DMark Fire Strike Ultra GPU**

*KitGuru (VCZ result for R9 390X is lower than their R9 390 result)
**Videocardz/TweakTown
Ok. So mostly all 480 cards sold will be aprox 10% faster than the 390x next to it for 3dmark.
Thats fury like perf. Seems great to me. Lets hope the prices keep low.
 
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