This is no different than pixel pipelines being disabled back in the day on GPU's to create a lesser model variant, e.g. the X800 XT vs. the X800 Pro, 16 pipelines vs. 16 pipelines, 4 of which are disabled on the Pro totaling 12 functioning, it's still an 18 CU GPU in the end, that is what functions, that is what it is.
No one refers to the PlayStation 4 GPU as having 20 CU's as two are completely non-functional, it's needless information, also who is to say that the Pro doesn't have 40 total CU's with 4 disabled CU's? The fact is you don't know, you're assuming things.
What do you mean Polaris doesn't have 20 CU GPU's? Are you that shortsighted? These are semi-custom chips created solely for these consoles, they could configure them in any way they see fit, they are the hardware manufacturer, they create them, they can do literally anything they want... These are not discrete graphics cards and what takes place in the discrete market has absolutely no bearing on the semi-custom market or the configurations contained therein, the word "custom" exists for a reason.
The fact of the matter is unlike the PlayStation 4 and Xbox One, there's very little information actually out there currently about the internal functionality of the PlayStation 4 Pro, so little that you can't even pull up a diagram of the SoC internals, something which is readily available for both the Xbox One and PlayStation 4.
You keep talking about things outside of the scope of available information, it's fundamentally moronic. What I am saying is based entirely on what Mark Cerny directly stated, not some long winded elaboration, not what I think, what he said exactly...
You think they are disable just to make a line.? When you see a lesser model GPU under a top of the line one is for yields not all chips come working entirely so they a lock that is how it works period.
No is not it is to you who are a biased fanboy,it is 20CU 2 are disable just like the xbox one is 14 and has 2 disable as well,even that they are disable they still are on the freaking die,so yeah it is important because it shows which GPU it has inside.
There was 1 GPU with 14CU back then bonaire,and one with 20 pitcairn 7870,there is no 20CU polaris but there is a 36CU one is the RX480,and the PS4 is polaris by mark cerny own words as well,with enhancements.
No creating a chip takes years and years,what sony does is take current AMD tech and modify it to include things MS did exactly the same,more aces features not on current lines and stuff like that but the main GPU base is AMD line in the PS4 and xbox case Bonaire and Pitcairn,on scorpio and PS4 Pro Polaris and Vega,so yeah Polaris has no 20CU model so it is the RX480 which is 36CU exactly as the PS4 Pro.
And again the fact that the CU sit in mirror form is probably do to the fact that it is an APU and not a discrete GPU which doesn't have extra heat from a CPU as well inside.
Again fold this like a butterfly and tell me how the set up ends..lol 18 + 18..
Further more the GPU inside the Pro is polaris based so there is no way in hell that 18CU are pitcairn and 18 polaris,so no is not a simple we added another 18CU on top of the other 18 we have and call it a day,what Cerny refers to is double the amount of computer units.
Each 9 CU cluster is headed by geometry processor which is effectively Radeon HD 7750 (with active 8 CU with 1 geometry).
For PS4 BC, two 9 CU cluster is active for legacy PS4 games, hence matching PS4's 18 CU + 2 geometry engine setup.
Polaris 10 is effectively quad Crossfire Radeon HD 7750 with a common front end units (HWS, ACE and GCP units).
Having 18 CU with 1 geometry engine will create bottlenecks and it doesn't match PS4's dual geometry engine setup.
The principle is similar to 7870 vs 7770 which is 7870 is a straight 2X scale from 7770.
PS4's APU
There are 20 physical CUs for PS4 which is based from Pitcairn XT.
I preferred Radeon HD 8570M's 6 CU + 1 geometry setup scaled by 6X hence 6 geometry engines with 36 CUs.
RX-480 is built from Global Foundries while PS4 Pro's GPU is built from TSMC 16 nm FinFET with most likely with 1st gen 16 nm FinFET non-plus version while Pascal has TSMC's 2nd gen 16 nm FinFET+.
PS4 Pro's double rate FP16 capable CU indicates near Vega style NCU which is NOT Pitcairn CU with GCN 1.1 updates.
PS4 Pro's GPU wasn't designed with Vega's high clock speed design.
I only had to watch a minute of it and i saw better frames on xbox one.
Oh really that is because on cut scenes the xbox one runs faster on gameplay it runs like shit and dropped to 17 FPS...hahahaha
Hahahaa but but but i only saw the first minute...hahahahaa
I only had to watch a minute of it and i saw better frames on xbox one.
Oh really that is because on cut scenes the xbox one runs faster on gameplay it runs like shit and dropped to 17 FPS...hahahaha
Hahahaa but but but i only saw the first minute...hahahahaa
So easy to wind you up i knew that game had problems. It was fixed by MS but since you don't own a xbox one you would not know that! Its funny you ignore 40 or 50 AAA retail games tested. And by the way PS4 pro boost by all accounts is not perfect either.
What the hell you trying to say below?
The Pro is 3 years newer than the PS4 and enhance this gen games,which is also completely different to the broken backward compatibility improvement on xbox one.
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