The LAST R600 Rumours & Speculation Thread

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No offense, but random bullshit and/or guesswork does not qualify as rumours... :) I assume you are refering to the level505 numbers? heh.


Uttar

No, that was a hoax anyway. And I must say that I consider the source of this rumor biased. So it could be wishfull thinking or it could be not.
 
I will forever doubt this kind of stuff. These companies have spies no doubt so no mis-information campaign isn't likely to be effective. Also, how exactly does one aim lower. There are upper limits to the G8x architecture on a given process node...it would make sense to just aim for those limits and give yourself the flexibility to throttle things back based on the hand the competition plays.

As I said in a later post, both companies have been getting very good at locking down their leaks, G80 being the prime example of misinformation and holding the true spec info right until the last few weeks of a very long project.

As for "aiming lower", you simply have to make the opposition think they can get away with less. Lower clockrates usually equates to better yields, or binning your better parts into a higher market segment with more profit, which must be awfully tempting if you think you don't have to push to the limit to spank your competitors.

Whether it's effective or not (like a lot of marketing or PR), companies will try it anyway.

Yeah, definitely. Although I'm not putting too much into the transistor count because there have to be many ways to approach a DX10 solution and some of them may be more transistor efficient than others. We're pretty much agreed that ATI's approach is significantly different to Nvidia's so that in itself could account for the transistor difference. Buy yeah, I'm still expecting something .....

The suspense is killing me, but I really hope this doesn't turn into an anti-climax. There's already impressive things like the 512 bit bus and unification, but I still think ATI have something up their sleeves with regards to how they are going to apply all that tech.
 
Why is 512-bit so impressive? NVIDIA had it since the GeForce 7950 GX2. :p I'm just looking forward to 768-bit. :devilish:

Surely NVIDIA must know that releasing a DX10 card before the Vista launch means they need something 'new' shortly after the launch as well. A new chip takes too long, and they have to give the mid-end and low-end lots of attention now as well, so a dual-chip solution makes a lot of sense.

What does R600 need to compete with that?
 
Latest rumors suggest that R600 will completely crush G80 and even be suprerior to a rumored 80nm G80 refresh. (We are talking +40% on average compared to G80 in regular settings 1600x1200 *cough* - AA and AF maxed)

He made quite a few interesting points though using simple common sense. I've speculated myself a few former posts ago that the R600 might pull ahead quite a bit in very high resolutions and >4x MSAA sample densities with Transparency Supersampling enabled, but I had something way more stressful in mind than blah 1600*1200. It's merely a simple speculation on my behalf and I'm still hoping that if such cases will appear that the R600 won't be below the edge of playability.

It then also comes down if the supposed +40% difference is across the board or rather an "up to" persentage. Frankly the latter case scenario would be closer to what I'd expect and it still would come down as to what the real average difference across the board looks like.
 
Could be just me but if 750MHz final clockspeed is true, it doesn't sound particularly impressive to me.
 
Remove the last presupposition in your last sentence and I still won't answer any question :p
 
Well I'm gonna reserve judgment but if Nvidia could get G80 into the 700Mhz range on 80nm it could prove pretty interesting. Although there's not much they can do about AMD's mighty bandwidth advantage unless they have a 512-bit design in the wings.
 
I don't think NV would go for a 512bit bus unless they move to 65nm with more clusters than on G80. Just a lucky guess though.
 
Latest rumors suggest that R600 will completely crush G80 and even be suprerior to a rumored 80nm G80 refresh. (We are talking +40% on average compared to G80 in regular settings 1600x1200 *cough* - AA and AF maxed)


Latest rumors from where?
 
Yup. It's EXACTLY the difference between believable information and downright FUD. What a coincidence!


Uttar
 
Could be just me but if 750MHz final clockspeed is true, it doesn't sound particularly impressive to me.

Sounds reasonable, kind of in the lower middle of the the expected 700-900Mhz.

I however would be surprised if the XT would go as low as 600mhz.

However it also smells too close to the current Nvidia offerings, kind as if some one same up with clock sppeds that would match NV to within roughly 10% give or take.

But if the only have A12 silicon running at the moment, they could be keeping the A15 for G81...
 
Notice how the gap between the XTX and the XT seems to be huge? just like the GTX and the GTS. Coincidence?

But the XT sure does have much more bandwidth than the GTX. By about ~30gb/s.

So much for clock domains and 1ghz rumours from hexus. :LOL:
Guess we can expect more leaks later on this month and into the next.
 
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