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CrazyGPU on 18 May 2014
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fatslob-:O said:
CrazyGPU said:

I agree that they could get better by coding, but as Cerny said, time to triangle in PS4 is 1 to 2 months instead of 6 to 12 months with PS3. The architecture now is x86 just like the PC and PS4 has a unified memory pool, so PS4 is easier to program and very close to PC. The API is closer to metal, but Mantle and DX12 are getting closer to metal too. I dont expect a big jump in performance in years to come as PS3 software did. It was really hard to use all the architecture in the Cell processor. This APUs are much easier and PC like. The only thing that can be a real deal would be computing with the GPU, but i wonder if that can take too many GPU resources and kill performance. Also Battlefield 4 devs told that CPU was at 95% with PS4, An Intel I7 4770 CPU runs the game at 30%, so not all codes run at 100%.  if the CPU is not holding back performance, why heavy games run at 900p 30fps when a HD 7850-70 with a good CPU can run easilly at 1080p?

Your missing alot of the picture ... It is not only CPUs that have instruction set architectures. GPU's do too! The cell processor was worth shit for the most part but it did come handy for one thing and that was to alleviate vertex processing bottlenecks from the GPU. Not everything gets a benefit from GPU acceleration. I highly doubt that many of the tasks will be off loaded to the GPU because the workloads are already different as it is. BTW a 7850 will only net you 35 FPS when your at 1080p on ultra whereas with the PS4 it's 900p on ultra running at 55 FPS. 

Im not saying how much will be off loaded to the GPU, I really have no idea about that, The only things i know is that the GPU can issue 64 compute commands instead of 2 and that Cerny says that in the future the GPU can alliviate the CPU. That said, if the GPU cannot do that very well and you have a weak CPU, then it is a serious bottleneck. I saw comparisions of battlefield at 900p with PC and PS4 graphics are more blurry and with less effects. If it runs at 55 fps, then maybe they just cut off some particles and resolution to make that happen. But Watch Dogs will run at 900p and 30 fps, not quite what i expected, still, maybe a Hd 7850 on PC cant handle that either, we will find out soon. You have a good point there with battlefield at 55 FPS.