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The real question is if the eSRAM will be available to developers in the first place, or if it will be used by the OS/ Kinect. Why did they pick eSRAM if they weren't going to use it themselves? eDRAM is over three times cheaper! Even if it is available, the PS4 still retains a net memory advantage because the Windows 8 OS reserves 3GB and the PS4 was originally designed to run on 2 GB. At minimum the PS4 has 1 GB more memory available to developers than the X1 has.


Personally, I don't think any of this makes the slightest difference. My eye can barely discern whatever next gen console you pick from the Wii U, despite an order of magnitude difference on paper. My gut is that it won't be worth a multiplatform developer's time to optimize for the XB1: you would expend a lot of effort in code optimization, and the difference will be practically invisible.

With the PS4 you just mash the compile button and you're golden.