| Eddie_Raja said: Dude you still have to shuffle stuff from much slower ram into the ESRAM and hope it can give it a nice speed boost. The bandwidth on the 8GB acts as a massive bottleneck. |
No. It doesn't.
You have this thing called "Prediction" where you predict the data you are going to require ahead of time, it's a technique which has been used to varying degree's for decades, extremely effective on fixed-hardware devices such as consoles for obvious reasons.
Converesly, both devices will be streaming a significant amount of data not from Ram, but from mechanical and optical disc storage which is stupidly slow, we saw that put to great use last generation.
The real limitation to the Xbox One is not Bandwidth, it's actually the reduced GPU resources used to draw all the pretty things on your screen.
Look at other GPU designs in the PC space as an example, AMD Fury has an abundance of bandwidth, more than any other graphics card to ever exist, more than several Geforce cards combined... Yet has minimal benefit from it. Why? Because there is not enough hardware to make use of such a wide and fast highway.
Bandwidth dosn't do any form of data processing, Ram doesn't calculate anything, it's importance is secondary to a point.
Keep in mind that the consoles are only rendering at 720P - 1080P, last century, low-end resolutions, you don't need 300Gb/s of bandwidth, there is only so much bandwidth you need before it's completely useless.
And because the Xbox One has less hardware resources than the Playstation 4, it also needs less bandwidth.
Culling, Tiled Based Rendering, Compression helps remove the bandwidth barrier, the eSRAM just lends a helping hand and forces the need for the former.
Also, both consoles do not have 8Gb of Ram dedicated to gaming, games will never use 8Gb on the current generation of consoles, more like 5-6Gb is the expected amount available for games even with optimizations to the OS and Software stacks later on... That 5-6Gb will not be completely dedicated to relatively bandwidth-intensive graphics tasks either.
That is not allot of memory to play with at the end of the day, I have a 7 year old PC with more.
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