Huddy says "R600"

I've seen developers note on quite a few occasions that it's very easy to code for XBox360; I'd figure though that it's not directed exclusively to the graphics chip of the console.

 

I'd love the conversation to concentrate on the possibility of a 512bit bus a tad more, even if it's purely from the theoretical technical POV. Take my layman's perspective a given, but my primary concern with such wide bus is how they'd handle read efficiency, which if not handled properly might even reduce the overall available bandwidth. Granted 384bits is not going to be easy either for G80, but the hypothetical 512bits are another notch higher.

 

Maxim consumption of R600 based on exteme clock speed is less than 200W~250W

But hope this time ATI will prevail on Nvidia from Performance/mm^2 stance.

 

I' am going to ask a question; which is still bothers me.

What is the main reason that R600 is delay for 3 months after the G80 will be released.

A.) Is it because ATI is behind on R600 project and Nvidia is ahead with G80.

B.) Is it because R600 is going to be more advanced then G80, so ATI needs more time.

C.) Or ATI has hard-time solving problems with R600 just like they did with R520 and it was delay many times.
1.) GPU frequency MHz
2.) Manufacture process
3.) Low yields

If the answer is C.
Then Nvidia finally did it for sure, they finely became leading technology again.

 

Somehow I doubt you're going to get an answer anytime soon. So unfortunately you're going to be bothered for a bit longer

 

As geo pointed out, within last two years ATI went

R420 -> R520/580 -> R600

While we don't know much about R600, I'll venture a guess that it's a fairly major revision .

Nvidia on the other hand has been milking NV40 for last two years. Nothing wrong with that, (god knows ATI did the same with R300) but it does mean they had more time to get G80 ready, since it will be their first major core revision in the last two years.

 

Nobody at a conference call said they were on schedule for a Q4 launch around the beginning of this year? Its so vague anyway though i guess it doesnt matter, especially when the product, a very complex one at that, isnt finalized yet. Is there a delay? Is it an expected delay do to a scheduled change? Or did they crap out on yields for target clocks, blah blah... Actually quite useless speculating.

Well current products and past products arent exactly a map for what the future holds in store. I think the R300 and even the failure of the FX series have proven that quite well. We dont exactly know how much lineage a core contains in comparison to its predecessor, so coming to the conclusion that Nvidia has had a longer time isnt exactly as simple as that. Even Xenos R&D started years ago, before the NV40 launched.

ATI has technically been milking it longer though without a truly major architecture revision. R580 for sure was interesting but things like AA and even AF (barring the addition of HQ of course) are essentially the same things done by the R300, so R300 -> Present > NV40 -> NV50

 

I wouldn't be so sure about that...

ATI has had basically a new architecture every 2/2.5 years.
-R200->R250->R280.
-R300->R350->R360->R420->R480.
-R520->R580.

With the exception of GeforceFX/NV3x (because of it's poor performance and delays, it lasted little more than a year) so has NV:
-NV10->NV15.
-NV20->NV25/NV28.
-NV40/NV45->G70->G71.


So, if R600 is really such a leap forward compared to the previous generation (on the architecture level, at least), it will be a tight fit on the schedule, just over a year after R520's debut.
With the exception of unified shaders and DX10, i believe more that they'll just keep the investment in performance using the current, proven, memory controller, add ALU's and/or clockspeed and that will be it until the DX10.1 refresh (R680 ?) and then the true new design will be R700.

Of course, either architecture may even turn out to be totally "new" (sort of speak), and it still will be up to driver support and scalability of each into the refresh parts 6 to 8 months later, and beyond.

 

So going from a non-unified architecture to a unified on doesn't constitute a major architecture change?

 

Well, since G80 was being perceived as a minor change towards speed and DX10 (non-unified, 48 pipes, etc), and then took a quick turn to being unified and scalar (or so the rumour goes), i'm not ruling anything out yet.

But, there has been one unified chip on the market for a year, right ?
[MINDGAMES] What's so different about R600 ? [/MINDGAMES]

Some nice tasty bone about it should be in order, at least to stir up a bit the discussion between G80 and R600.

 

I was reading alot of comments (sort of) about R600.

What about name; since it is no longer ATI but AMD now.

It might be like this:

[Top Perfomer]
AMD Radeon X2800XT+ (Since AMD loves plus+ at the end)

[Performer]
AMD Radeon X2800XL+

Also it might be Green+Red box package Welcome new comer AMD video product.

 

AMD adopted the + because the consumers thought Athlon processors were inferior based on just the clock speed. It was an ordinal comparison with Pentium processors.

Sorry I dont see that or the green+read package happening.

 

So what is going to be; your name instead

 

RV570/RV560 is overclockable unfriendly.

If R600 want to be as fast as 8800GTX. ATI need to launch 600MHz~750MHz R600 .

 

Nvidia 80nm is overclockable compared to ATI 80nm medicore clock increase.

 

We all are not sure how R600 will turn out; so we cannot come to conclusion what frequency R600 needs to run in order to match or outperform G80.

 

Actually both of them are equally performance on same clock speed. but the problem is if ATI launch R600 by 2007 Q1, Nvidia would be rehashing version of Higher-Clock G80(GDDR4 ) in 3 months by then.