Predict: The Next Generation Console Tech
- Thread starter Acert93
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But you cant compare how a console performs next to an unsupported pc gpu of a decade ago. If the 7900 was still the best gpu available on the pc then it too would be playing the same games that consoles are running today at a similar level of detail / performance. An 18 cu part in a console isn't going to have the same level of performance as a 32 cu part in a pc but it will no doubt display graphics better than the hugely unoptimised graphics of today runnng on a 32 cu pc part
Hm, is that likely to be the case again? Certainly developers have spent 7 years trying to optimize the heck out of 2005 era hardware, but I would imagine at some point it becomes just as unpleasant having to work that hard at squeezing the juice out of the systems it was to have to write large portions of game code in assembly in the last generation (or two), right?
I would kind of think that a lot of developers would be delighted to get to just copy over the 'hugely unoptimised' graphics code that they're using on PC, no?
That was my point, the optimization part - it's not like it would suddenly change, you can get so much more out of hardware when you're optimizing your build for that specific configuration, as opposed to PC where you need to make sure it works on anything that runs Windows and is fast enough for your minimum requirements.
It's quite easy if you know how
I've had Crysis eating 2Gb System RAM and 2.8Gb of VRAM.... huge RAM hog....
And that's not the biggest offender
Latest expectations for Orbis and Durango adjusted to rumors.
Orbis
4 core 32-bit processor at 3.0 ghz+
4GB GDDR5 ram
1152 SPU at 800 mhz
+DSPs
Durango
8 core x64 jaguar at 1.6 ghz
8GB of ram + Edram
1024 SPU at 800mhz
+DSPs
sogood.gif
Orbis
4 core 32-bit processor at 3.0 ghz+
4GB GDDR5 ram
1152 SPU at 800 mhz
+DSPs
Durango
8 core x64 jaguar at 1.6 ghz
8GB of ram + Edram
1024 SPU at 800mhz
+DSPs
sogood.gif
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4GB of slow ram is a possibility.
Thing is that you know towards the end of the machines life the developers will be wishing that it was packing GDDR5 for more bandwidth.
Historically consoles have always become memory and bandwidth limited so if I were designing a console I would put in a much RAM with as much bandwidth as possible, even if it meant reducing the CPU/GPU power by a little to get it.
Historically every computer with a reasonably modern CPU or GPU has STARTED life limited by memory bandwidth.
Nothing changes over time here!
nunomoreira
Newcomer
sony did use xddr on the ps3 so i doubd they will use slow ram this time
probably ddr4 or gddr5.
Will the memory be shared between the cpu-gpu, same controller or different controllers?
probably ddr4 or gddr5.
Will the memory be shared between the cpu-gpu, same controller or different controllers?
ddr4 is slow.
anexanhume
Veteran
Ok, who's bringing up XDR2 again then?
nunomoreira
Newcomer
its still almost 2x ddr3 if they use good quality, and much cheaper in the future.
tho with the graphic car using ddr5 they would have to have two separate banks..
ddr4 + edram?
It's all about cost and more importantly how that cost reduces over time.
Aren't most PC games 32-bit apps? If they are, then isn't that what's limiting memory usage of those games?
For the same reason, I don't think it's very realistic of Proelite to expect a 32-bit CPU in the next PS, even if it has 'only' 4 GB or RAM.
Talking about RAM, I think that the memory interface and the amount of memory are really one of the most important, if not the outright most important thing in the next gen consoles. What kind of memory configuration and everything will have a huge impact on everything else in the console. If you go for a 256-bit memory controller than that sets a minimum chip size as well for example. Could you make a chip with a 256-bit GDDR5 memory interface that's smaller than 200 mm²? If not, then that limits the benefits of shrinking your chip to say 20 nm later in the life of you console, unless you start out with a chip that's almost 400 mm² in size of course.
If you go for an eDRAM pool, then how is that pool set up? Can the CPU also use that memory pool? I'm pretty sure that the next gen consoles will have a shared memory pool similar to the current X-Box 360, or probably more like a current SoC (or APU). If so, where does that eDRAM fit in? Is expecting eDRAM even realistic? I personally don't really expect any eDRAM in the next gen consoles, at least not in any similar way to how it's currently used in the X-Box 360.
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