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bbd90 on 23 February 2013
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platformmaster918 said:
Netyaroze said:
kain_kusanagi said:
Sony doubled their RAM. That's expensive. Why would they do that. The only reason would be to offset some other advantage they're spies found out about the Nextbox. It's far too early and I don't like rumors, but Sony wouldn't all of a sudden decide to spend that kind of money on each PS4 unless the Nextbox has something going on under the hood that they felt they needed to respond to.


Yeah but I think the doubling of the ram has to do with non graphics related stuff Sony probably wanted to compete with the features and OS stuff MS wants. 4gb just for games is enough to feed the Gpu and Cpu. The other 4gb is probably for certain OS features and a smooth and quick overall experience plus headroom for future projects, more flexibility and as a gift for developers . This was clearly a response to the 8gb from MS. What the "spies" found out was that the Xbox had 8gb. 

I don't think they need 4gb of GDDR5 RAM for the OS.  If they were putting extra in there for the OS they would make it DDR3 since menus and apps don't take that much.   They said it's unified unlike PS3 so I think it's really for devs to go wild.  Imagine what ND and SSM can do with that if they did GoW3 and U3 with 256mb!

Precicely.

The overall system specs of PS4 are superior to the rumored Xbox720.

The GPU is superior slightly (18 CUs compared to 16 CUs) and the RAM is superior (8GB GDDR5 vs 8GB DDR3 + 32MB ESRAM). The CPU is the same.

The biggest disparity in performance will be cause by the bandwidth difference because of the GDDR5 being faster than DDR3. Both of these designs are based off of AMD APUs and we know for a fact that these APUs love more bandwidth since both the CPU and GPU part of the core use the same RAM. So the faster the RAM is the better the APU performs as seen in the following link:

http://www.tomshardware.com/reviews/memory-bandwidth-scaling-trinity,3419-4.html

Microsoft's console migh be cheaper because of this configuration because it seems like they did this as a cost saving measure.