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Forums - Microsoft Discussion - Digital Foundry: The Complete Xbox One architects Interview

Gamecube said:

Seeing as PS4 and XB1 are running similar 8 core jaguars and ps4 has "50% faster" gpu. Doesn't this mean the ps4 will have a severe bottleneck?

Why? there are several ways you can bring a game to its knees:

1. The gpu cannot generate an image within 1/30th or 1/60th of a second with all the stuff it needs to draw. Obviously, the XBob One will fail here sooner than the PS4.

2. The cpu sends too many commands to the gpu. Can be a problem with PCs as the commands transfer through a "narrow" bus using one cpu thread. Neither XBox One nor PS4 need to copy large chunks of data, they can send pointers to commands only. So no bottleneck here.

3. The cpu cannot generate all the stuff that goes into an image. PS4 has a slower cpu clock so here it could fail sooner than XBox One. Screenshots from Killzone (probably the most ambitious game currently) show that none of the cores are maxed out and some are taxed on a low scale. So no bottleneck here either (given the software doesn't try to calculate miracles). Badly designed software code could run into problems, of course. But that is true for either console.