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Machiavellian on 02 October 2013
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ethomaz said:
The PS4 OS didn't use GPU hardware accelaration like the Windows uses in Xbone... when you snap a Metro app in Xbone it uses some 3D effects to do that like any MS OS after Vista... you can rearch that the MS Metro UI is a hardware-accelerated GPU based UI.

PS4 OS lacks the snap feature... the OS is flat and simple without any 3D feature.

Apps, backgound process and everything else runs better on CPU... so why Sony will put these process into GPU? To run worst? I think any little knowledge about OS resources shows that.

And the CPU clock in PS4 was never confirmed... anyway I guess (that now a guess) the CPU in PS4 is more free than Xbone CPU even with lower clock because the Xbone needs to do a lot of calculations into CPU for OS and Kinect features... PS4 don't.

About the Audio features... both needs GPU for Raycasting Audio... and some little effects in audio will be done on CPU and not GPU.

GPU is 100% for game developers do what they want on PS4.

And you want backup? Cerny himself said "Developers can choose how to use all the 18CUs inside PS4"... no OS reservation.

@Bolded:  This does not mean the PS4 OS does not use GPU acceleration.  Any OS task where you want parallazation can use GPGPU.  In most scenarios the GPU cores are used like co-processors to the OS.  When performing any real parallel process like multi-tasking, the GPU can be used to accelerate those task.  The reason MS is using GPU resources is not only because they have fancy effects going on but instead it helps with multi-tasking between multiple apps and the game code.

@ 2nd Bolded: How do you know this.  There is nothing from Sony on what their OS do or do not do, or what resources it uses to perform its operations.  When the PSeye is hooked up, does it have a processor in the camera because if not, I would believe the OS needs to handle the video.  When performing voice navigation which Sony stated the PS4 will do, what do you think will be processing the voice.  When doing motion navigation, how is that data processed.  Face recognition is also done by the PS4, what does that.

@3rd Bolded: pure opinion.  You have no ideal what is all GPU. 

Are you making the clam tht the PS4 cannot do GPU acceleration.  Are you stating that the PS4 will not multitask anything and it will basically be like switching a on a light.