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Lafiel on 05 April 2018
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KBG29 said:
Dark_Feanor said:

Sorry for my French, but Who The F&$& has been talking about using separated CPU and GPU?

That is the most stupid idea ever. If a big APU is expensive, it is still far cheaper than discreet components. The simple fact that you have to wire and encapsulate two different types of chips would add extra costs, without considering how to place them on the motherboard and m race memory banks.

The whole point of having a console insted of a PC is the extra power you can get at a lower price, smaller size and more efficient overall design.

Sony, Microsoft and Nintendo will aways use proven technologies and architectures. 

I won't rule out Sony launching a PS Pro 2 this year and it can even be a beast that would smash the Xbox One X, but if they do, it will be using old tech like Polaris and Scavator. 

https://www.tweaktown.com/news/57845/playstation-5-feature-full-discrete-gpu-apu/index.html 

This is just one link. The rumor lit up a lot of the message boards I go to around E3 last year. I'm not saying they should do this, but it is the only way I can see them getting next gen worthy CPU+GPU combo by next year. I think if they want to stick to APU's, then PS4 Premium should come on 7nm in 2019, and PS5 should wait until 7nm+ in 2021.

I doubt they will go full on "discrete chips" like in PS3, but I expect them to use several CPU/GPU modules on a single package/under a single heatspreader, like AMD does with their EPYC line up of server CPUs. Rumors have been going strong for years that Navi will not be  a "single big chip" design, but a modular approach with several smaller modules connected by "infinite fabric" (ultra high bandwith connection), that "act" like a single chip. This has the advantage that the smaller modules reach far higher yields than big chips, so this design should be cheaper to manufacture if the "infinite fabric" itself isn't too costly.

I could see a 2019 PS5 using 2 Zen CPU modules with 4cores+HT each and maybe 4 Navi modules with 18CUs (=1152 shaders) @ 1100MHz each for 10TF FP32 theoretical performance.

Last edited by Lafiel - on 05 April 2018