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mutantsushi on 19 April 2016
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potato_hamster said:
Pemalite said:

The game engines already support the hardware. 

It is literally a matter of tweaking sliders as API's, drivers, OS everything else will remain the same.

If anything Multiplatforms will be closer to the PC now in regards to graphics as most PS4 games were only high-graphics compared to the PC's Ultra.


The game engine is optimized for a specific hardware configuration. it is optimized for bottlenecks specific to that hardware configuration. You just can't take the existing hardware engine and say "we'll just tweak this number and that number and this other number" and boom an engine just as optimized for PS4K and it was for PS4.  ... The PS4K build will have to be tested as equally as the PS4 build is now. That's a fact.

But x-gen PS4.0/4.5 games DON'T have to be "just as optimized" for PS4.5, they can take advantage of the X% more CPU and memory bandwidth and Y% more GPU power to add/boost performance.  PS4.5 will have a significant amount of free capacity beyond PS4, and you CAN just turn up sliders for res, FPS, lighting to fill that.  You don't have test equally because the architecture IS largely just scaled up.  YES, to "fully optimize" for PS4k would be more work, but you don't have to "fully optimize" in order to get a product that has noticeable benefit from running on PS4.5.  

Pemalite said:

For instance... Whilst the CU's have doubled, everything else hasn't... Suddenly the system just gained a bunch of new bottlenecks that are different or more pronounced from the original machine.

If CPU/Memory BW has been boosted by 25% while GPU doubled, it's safe to assume 25% headroom for scaling without running into different bottleneck.
To FULLY leverage the new (half) gen platform, will take more work, but there is plenty of scope for "easy" gains with little dev/testing... IMHO.