PS4.5/PS4K Is Codenamed 'NEO' And More Info

[Nate4Drake]

HoloDust said:

drkohler said:

Pot calling the kettle?

I hate to tell you but the PS4 is already choking on the 176GB/s bandwidth available. If you think that a 30% faster CPU and a 220% more powerful GPU can be satisfied with 218GB/s, you are seriously wrong. leaving aside wherever that weird bandwidth comes from, it doesn't exist in any gddr5 data sheet. And while we are on the subject, if you do more gpgpu work as you imply (which is correct if developers actually used it), you also grab/send more memory down memory lane. So you not only have a higher CPU and much higher Graphics Compute load on the memory bus, you would also have an additional GPGPU load tacked on it, in the end three "customers" are fighting for the one memory bus. There is an advantage having a common memory pool for everyone, but there is also a serious disadvantage - when too many processors fight for it. 

I'm kinda on the edge on memory bandwidth issue here - if it was nVidia's GPU, I'd say those ~220GB/s would be probably barely enough (given that 980 has 224GB/s on a 2048:128:64 config), but it's AMD - so yeah, but no. Then again, if it's basically rumoured Polaris based 480 (40CUs with 4 disabled) inside...who knows.

P.S. Nice to see you back in action, now that new hardware is releasing.

I believe that Sony and AMD know more than our friend drkohler.

The new Polaris GPU is for sure more efficient, and "less memory bandwidth hungry"; we are not talking about PCs, and we are not talking about PS4; it's PS4 NEO with most probably Polaris GPU architecture, and if Sony and AMD say 218gb/sec is what the system needs, this is what the system needs, end of the story. Do we want to teach AMD how to make a new Console ? Please, let's try to not be ridiculous : let's wait and see for the final specs and official words from Sony.