Predict: The Next Generation Console Tech
- Thread starter Acert93
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I wouldn't be surprised if Sony made the decision to go with a seemingly unreasonably large single chip design figuring that will be lots easier to cost reduce than 2 discreet chips.
That should be a big chip 
Llano trinity are ~250 sq.mm
The GPU are roughly half the chip. 3 time the GPU gives a chip ~500sq.mm.
Should be a bit tiner at 28nm but still quiet a beast.
I was advocating for a big SoC I didn't considered this size.
With something this big 256bit bus won't be a problem at all.
Llano trinity are ~250 sq.mm
The GPU are roughly half the chip. 3 time the GPU gives a chip ~500sq.mm.
Should be a bit tiner at 28nm but still quiet a beast.
I was advocating for a big SoC I didn't considered this size.
With something this big 256bit bus won't be a problem at all.
The only thing we know is that Durango has more than 4 GB of memory, DDR3.
2GB is not going to be enough, but do we really need 8 GB or faster GPUs?
I hope they have at least a 2TF gpu.
By the way, will 4 cpu-threads be enough?
I noticed lherre weighed in on these specs
http://www.neogaf.com/forum/showpost.php?p=38670054&postcount=395
At least that implies they were real at some point so on the right track, just outdated.
BGassasin also mentioned he heard Sony was reluctant to go to split pool memory, so that GDDR5 density increase was the only way they'd consider moving up to 4GB the way he understood.
http://www.neogaf.com/forum/showpost.php?p=38670054&postcount=395
At least that implies they were real at some point so on the right track, just outdated.
BGassasin also mentioned he heard Sony was reluctant to go to split pool memory, so that GDDR5 density increase was the only way they'd consider moving up to 4GB the way he understood.
I don't quite understand this rumour, AFAIK Fusion is a single chip, the x86 cores and GPU on that one chip. That rumour when from one chip and then saying both chips will manufacture in 28nm. I don't get that.
If I'm reading the rumours positively. It says PS4 will have
CPU+APU (Liverpool)
2 steamroller module (basically bulldozer) (4 x86 cores) (3.2 GHz)
Pitcairn level performance APU (800 MHz) giving 1.8TFLOPS (which is much improved to what AMD been putting out)
Manufacture in 28nm
GPU
'Tahiti' 7950/7970 level chip with 2GB GDDR5 over 128 or 256 bit interface.
Manufacture in 28nm
That's the current rumour for PS4 isn't ? AMD CPU+APU(Fusion) with a dedicated AMD GPU ?
Not that much different compare to PS3 with Cell(PPE+SPEs) and a GPU.
Love_In_Rio
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When they talk about SOC i think they are talking about an interposer connecting CPU and GPU that are in different packages. Building a huge only SOC chip would make yields very bad.
How likely are 4Gb GDDR5 chips? If MS or Sony went to a manufacturer and ordered say 80-120 million chips over a 2 year period, would they be willing to go ahead with producing 4Gb chips?I noticed lherre weighed in on these specs
http://www.neogaf.com/forum/showpost.php?p=38670054&postcount=395
At least that implies they were real at some point so on the right track, just outdated.
BGassasin also mentioned he heard Sony was reluctant to go to split pool memory, so that GDDR5 density increase was the only way they'd consider moving up to 4GB the way he understood.
Nope. bgassasin and steviep confirmed that it's just an apu.
2 steamroller module, 18 CU's on the same chip, together with 2 GB of GDDR5.
But they are "very old" target specs, for some other insider. Things could have changed.
Not more than 150W
Love_In_Rio
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2 steamroller modules means 2 cores with 4 hardware threads -4 integer units and 2 fpus-?. I think it would be lacking for AI, physics...
Memory will be 4Gb. Naughty Dog and Guerrilla want it xD
Memory will be 4Gb. Naughty Dog and Guerrilla want it xD
The current AMD A10 is similar to this except the GPU is older and smaller, I'm guessing next year model will be the CPU+APU for PS4. Though the A10 is already at 246mm2. Upping to 18 CUs even with 28nm is going to be larger than 300mm2.
Also are these 'old' rumours saying PS4 doesn't have a dedicated GPU chip ? That would be sucks for performance. Sony should include 7970 class GPU in there at least. That would give PS4 the equivelent performance of XFire 7970 PCs, with console optimisation and all.
I think Sony should aim for something like this for PS4 in 2013 if using AMD part.
CPU+APU Liverpool:
2 Steamroller Module (Four x86 cores) @3.2 GHz with 4MB L2 Cache.
18 CUs (1152 Stream processors) @800 MHz
with its own 2 to 4 GB DDR3/GDDR5 memory.
~350mm2
GPU
32 CUs @800 MHz.
with its own 2-4 GB GDDR5.
~365mm2
Without the dedicated GPU, PS4 would be a little weak, might as well stick with the PS3 for a while longer.
If it has dedicated GPU those APUs in the CPU can take over for physics. The 4 integer units is sufficient for AI.
Yes, PS4 doesn't have a dedicated GPU according to these rumors. It should be much more optimized than Llano and Trinity, but they may have only one 256bit memory controller with concurrent access to the unified memory. GDDR5 should give about 200 GB/s worth of bandwidth. Your specs are unfeasible, both costs and power consumption wise.
http://www.gametrailers.com/video/e3-2012-agnis-philosophy/731977
Ok so we have this as a reference....maybe.
Lets say this is the quality targeted for nest gen or something similar. What are the suspected hardware requirements for such an output?
How far will the manufacturing process be until then to expect such a powerhouse to fit in a small consumer box?
What is the power consumption and costs for such a hardware?
Ok so we have this as a reference....maybe.
Lets say this is the quality targeted for nest gen or something similar. What are the suspected hardware requirements for such an output?
How far will the manufacturing process be until then to expect such a powerhouse to fit in a small consumer box?
What is the power consumption and costs for such a hardware?
Some no name site called "VGleaks" has also provided a version of these specs, that lherre has said are more accurate than the others but still old http://www.neogaf.com/forum/showpost.php?p=38674037&postcount=491. He also made a post clarifying that "old" = "about a year ago".
http://www.vgleaks.com/world-exclusive-ps4-in-deep-first-specs/
http://www.vgleaks.com/world-exclusive-ps4-in-deep-first-specs/
Love_In_Rio
Veteran
According to those specs there are two speed access from Cpu and from Gpu to memory that would imply no shared bus and so no one chip Apu.
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