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[Twitter] PS5 deep-dive tomorrow at 9 AM PT and 4 PM GT

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post #61 of 64 (permalink) Old 03-19-2020, 04:03 PM
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Quote: Originally Posted by NightAntilli View Post
There were multiple leaks that predicted the specs of the PS5. They also had one detail, and that was that the GPU was 9.2TF. Suddenly the console is over 10TF with a boost clock.
You can believe leaks, I guess.

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post #62 of 64 (permalink) Old 03-19-2020, 04:40 PM
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Yeah i was gonna say leaks are almost always speculative. At least now we have more concrete info to go off of.

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post #63 of 64 (permalink) Old 03-19-2020, 04:51 PM
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Quote: Originally Posted by ToTheSun! View Post
Cerny mentioned to DF specifically the choice between more cores at lower clocks or fewer cores at higher clocks for the cache frequency benefit, within the same power envelope. Considering all of the architecture design decisions they made (which are pretty cool), I doubt they changed anything last minute, especially when they'd have to jeopardize their cooling mechanism already in place.

Your theory is much less plausible.
Sony has yet to reveal the design and cooling system of PS5. While I am not going to question the decision they made, I still think it is more of decision they had to make in order to catch up with the XBSX's specs, after they decided to go with 36CUs. Since PS5 would be inevitably delayed if they had to redesign the SoC in order to bump up the Specs, they just had to choose between either going with fully enabled 40CUs with lower clocks vs 36CUs with higher clocks, which they went with latter, with the reason being the benefits described above.

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post #64 of 64 (permalink) Old 03-23-2020, 03:17 PM
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I think he made the right choice by going with higher clock and lower CU's for the cache, PS5 SSD is more than 2 times as fast as the Xbox series X, so he wanted the overall system to be as fast and simple as possible. He estimating the time-to-triangle a game is gonna be less than a month.

He stated this during the press conference.

"Teraflops is defined as the computational capability of the vector ALU, that's just one part of the GPU, there are a lot of other units and those other units all run faster when the GPU frequency is higher, at 33% higher frequency rasterization goes 33% faster, processing the buffer command goes that much faster, the L2 and other caches have that much higher bandwidth and so on"

"It is also easier to use 36 CU's in parallel than 48cu's when triangles are small it's much harder to fill all those CU's with useful work"

Never believe the hype.
Consoles aren't about hardware, they're about good games.
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