Last time I checked, AMD was a solid brand as well in the graphics department. As mentioned below, their drivers can be tricky...but the cars perform just as well.

Nvidia GPU's usually run hotter than their AMD equivalents, so it makes sense that the PS4 would go for the red team..

AMD is being used for the xbox 360 & now the Wii U. It's not far fetched to see AMD being used with Sony stuff.

Pretty much this. When you have an edge in the GPU department it can show up in console. Nvidia will have an edge for the size of the die versus performance when their new generation launches next month. AMD have led in this crucial factor since the HD4000 series, but now it will change. Nvidia's strategy and experience of building massive chips should FINALLY pay off.

This means basically more performance for the cost of the chip. Word is that Nvidia's 3.4 billion transistor GPU (GK104) is very close to a 4.3bn Radeon 7970. This is logical too. 7970 is not fantastic, it is only about 25 percent faster than a GTX580 yet it is built with well over 40 percent more transistors. Even if Nvidia just stuck GTX580 on 28nm and whacked up the clocks with no design improvement, it would get close to 7970 and be massively smaller.

Ati had the edge when PS3/360 was built, and 360 got a quality GPU, whereas PS3 got an old duffer of an architecture.

Sony would probably be best sticking with Nvidia this time around- which means of course, they won't!

lol any gpu that is an 8800 or more can emulate a gtx 7800. Only thing the ps3 needs is cell to emulate the ps3.

They would need the cell in the PS3, which still isn't dirt cheap like the PS2 was when the PS3 released. Common sense business move would be to have it capable of running it off an attachment. Offer a cheaper model with no backwards compatibility, but have the option viable through an accessory. Keep costs down is Sony's number one priority, they can't afford to follow their pricey (yet awesome out of the box) model next generation, or MS will hold it over them yet again.

Give me forward compatibility

I can't disagree more.
AMD's vga put in to xbox sux ass just like the nvidia in PS3. New generation of both of the cards is excelent.
new xbox will use radeon 6570 which is notebook class vga. I bet that Sony will go for 7770 which is the mainstream and they will include their special instructions in to the chip.

Drivers don't affect consoles mate, also AMD has produced some fine hardware just like Nvidia, things like RROD and YLOD can happen to AMD or Nvidia