http://www.eurogamer.net/articles/digitalfoundry-inside-metro-last-light
Metro Last Light's chief technical officer Oles Shishkovstovfrom 4A confirms what John Carmack has been saying all along.
No, you just cannot compare consoles to PC directly. Consoles could do at least 2x what a comparable PC can due to the fixed platform and low-level access to hardware.Â
He also strongly praised PS4's hardware,
We are talking PS4, right? I am very excited about both CPU and GPU. Jaguar is a pretty well-balanced out-of-order core and there are eight of them inside. I always wanted a lot of relatively-low-power cores instead of single super-high-performance one, because it's easier to simply parallelise something instead of changing core-algorithms or chasing every cycle inside critical code segment (not that we don't do that, but very often we can avoid it).
Many beefier cores would be even better, but then we'll be left without a GPU! With regards the graphics core, it's great, simply great. It's a modern-age high-performance compute device with unified memory and multiple compute-contexts. The possibilities of CPU-GPU-CPU communication are endless, we can easily expect games doing, for example, AI pathfinding/route planning executing on GPU to become a common thing.
There are some things which are just more efficient to do on massively parallel machines like GPUs are. I think that at least initially, with launch titles, the GPU-Compute will be underutilised, but during console's lifetime we'll see more and more unbelievable and innovative things purely thanks to GPUs.
I guess Metro LL would run at least Maximum level with some level of tessellation on PS4 at 1080p since a 7850 sli rig should handle more than that.
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