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ATI Believes GeForce GTX 200 Will be NVIDIA's Last Monolithic GPU.

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#76
Explain the logic behind that. You're only mfgr prices up by doing that, ever heard of multi layered PCBs man?...

HD4850 > 9800GTX by 25% According to AMD, this is fairly believeable.

A dual GTX280 is technically impossible, between two slots, why? 65nm to 55nm doesn't boast much of a change in TDP! Nvidia's CEO even admitted it, do I have to repeat this? GX2 would be viable, with say a GT200 variant that is similar to the G92 in die size. It was mentioned that a die shrink would only drop the GTX280's heat ouput down to what, around 200W, which is still ridiculously high (400W+ GX2). Who gives about Idle when the card is ridiculously hot at load.

Nvidia really stabbed themselves in the foot, while it is powerful as such, the HD4870X2 will be a more successful product.
Could you post a link to where Nvidia's CEO said that please? And where those power numbers were mentioned, though I suppose it's the same. I highly doubt going to 55nm won't make the card consume less than 200W.
Also as I mentioned, Nvidia doesn't need 2 280s to crush Ati's X2, not even 2 260s. By only shrinking the chip to 55nm it would be 400mm2, take some ROPs out and you will get a die size close to G92. No one has said GT200 GX2 is possible but GT200b IS, and you will see it soon if Ati's X2 happens to be quite faster than GTX280.

Also real power consumption of GTX280 is nowhere near those 236W, while the older cards are close to their claimed TDP. It's temperatures are far better than on G92 and RV670 too, despite being a lot bigger, so there's some room left there. If GT200b can't improve the performance beyond that of the X2 a GX2 of GT200b WILL come, but it's nature is not so defined. In fact a card with 2x the performance of GTX280 doesn't make sense AT ALL. If it did, because games in the near future could take advantage of it, then Ati would be LOST.

In the end it will all depend on the real performance of the RV770. AFAIK HD4870 > 9800 GTX by 25% and HD4850 > 8800 GT by 25%. That also means HD4850 > 9800 GTX but by 5-10 %. ANYWAY forget about that if the performance boost of newer drivers happens to be true.
 
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#77


gtx 200 series gpu (from what I've found so far)

A wafer from the 4800 series gpu will offer a whole lot more. However, I haven't found one yet. Anyone have a 55nm wafer pic?
Wow I knew that such big die size and low die number meant fewer complete dies in theory, but seing that in a picture is more impressive! I counted 95 complete dies there, and like 30 incomplete ones. Almost 10 of the incomplete ones have more than 90% of the die intact, but I don't know if they can use them. I guess they can cut that part, that judging by the die picture that means cutting some SPs in most of them and sell it as GTX260. Nevertheless only that fact alone contributes to lower yields, I suppose, and the number of incomplete dies is going to be a lot lower at 55 nm.
 
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#78
The only thing that's serious about it is how NV bet the farm on this thing. I'll be collecting that farm when I buy my 4870x2 :p
lol nvidia didn't bet the farm on this one. if they did we'd be seeing a commercial on televsion every 3 seconds followed by famous endorcements, several small islands being purchased and named gtx280. lol

nvidia is a big company and it would take alot for them to "bet the farm" on a single chip. it's not like nvidia will really care if ati's is faster thsi time. nvidia will just simply laugh when theirs outsells ati's faster card. this has been typical since the dawn of nvidia (though back then it was rare that ati got a win, the radeon was the first to even truly compete)

the gtx280 seems to be a flop, no biggie nvidia will launch a revision which may or may not flop as well. it doesn't matter because nvidia is already working 4-5 generations out. So if this generation is a flop, they'll simply pour more of their employees into the next gen.

Ati also works several generations out which is why it didn't matter that the r600 was a flop. they already had several others in the pipeline that they knew performed better perwatt.

and I seriously have to laugh at all the fanboys who say "look at the last 2 years, nvidia can't lose" wow was the 8800 your first gpu or what? nvidia nor intel nor amd nor ati nor via nor any other manufacturer can put out the best product every time. it's impossible and history tells us differently. the ti4000 series stomped all over ati's radeon 8500. and all the nvidia fanboys went "see nvidia can't lose" and then came the fx series in which the 9700's stomped all over and later the 9800's widened the gap. Then fact that nvidia has been ruling for the past 2 years only strengthens the argument that the ati card will be faster this time. ATi and nvidia have been doing this dance since long before many on this forum, knew what a graphics card was and they'll be doing this dance long after. it's development + pressure from competition + a little luck that forms the winner. and nvidia has been missing an element making them less likely to come on top this time.

the gtx280 was the chip specs wise we all wanted it to be double the rop's double the mem bit, and nearly double the shaders. the trouble is each time the gpu manufacturers double things, it takes games quite a while to catch up in coding to use the extra power. The gtx280 will only grow more powerful as time goes on, but it will likely be the last of it's kind. why? because it's the way the markets going. the bigger badder phase started when intel was pushing the clock speeds and ati was pushing the pixel pipeline. both required more cooling and psu than previous generations had seen. the core2duo is different offering more power without going for the GHZ (stock comparison of course) and each generation seems to have a lower tdp than the last. gpu's similarly will start (and have already started rv670/g92) doing the same thing. the high tdp gpus will start going by the wayside while cheaper/quieter/lower tdp versions will replace them. the g92 did a good job of increasing performance while dropping heat and energy requirements. the gt200b will likely do the same with nvidias next chip being cooler than the gt200b. it's market trends. more ussers are going for cooler quiter pc's than in 2000 making this quite a different battle than it used to be.
 

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#79
I agree that each company will take the lead somehow, and keep alternating. I believe that eventually, there will be a standstill when they hit physical limits of graphics processing technology, and advancements will slow, and basically most cards will be equal for a period of time.
 
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#80
Wow I knew that such big die size and low die number meant fewer complete dies in theory, but seing that in a picture is more impressive! I counted 95 complete dies there, and like 30 incomplete ones. Almost 10 of the incomplete ones have more than 90% of the die intact, but I don't know if they can use them. I guess they can cut that part, that judging by the die picture that means cutting some SPs in most of them and sell it as GTX260. Nevertheless only that fact alone contributes to lower yields, I suppose, and the number of incomplete dies is going to be a lot lower at 55 nm.
is it just me or would a square wafer make alot more sense lol. I mean look at all the partials that needn't be that way if the dies weren't square and the wafer round.
 
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#81
why is it round?
 

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#82
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#83
is it just me or would a square wafer make alot more sense lol. I mean look at all the partials that needn't be that way if the dies weren't square and the wafer round.
Yeah I thought the same some years back when I first saw a wafer picture. I suppose wafers being round has to do with their manufacturing process, but why can't be square is a question I have since that first time. It was a comparison of a chip at 180nm and 130nm, and I have to say there were a lot more dies than ~100, so incomplete ones were a lot less in comparison. Complete dies on 130 nm were more than double the ones on 180nm. Theoretically each CPU process (180-130-90-65-45-32...) can do double the number of dies than the previous one, but I think it's actually a bit more because of that.

Because 'stuff' is 'planted' on it while it spins.
It spins? Really? Or are you just kidding? I thought they were made by exposition to "light" and chemicals. Pretty much how you would reveal photos in the old fashion. I read an article about how they made the chips and I don't remember anything about spining, not at least while the layout was being "printed"... :confused:
 
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#84
So because of the smaller 55nm die,you'd get a lot more complete cores on a 300mm wafer.So in theory you'd get a higher yield with a 55nm die/300mm wafer.
 

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#85
It spins? Really? Or are you just kidding? I thought they were made by exposition to "light" and chemicals. Pretty much how you would reveal photos in the old fashion. I read an article about how they made the chips and I don't remember anything about spining, not at least while the layout was being "printed"... :confused:
Why do people enjoy complicated lives? http://en.wikipedia.org/wiki/Semiconductor_fabrication

It's round so it aides several manufacturing processes. A Perti-plate is never square, we use them for microbial cultures. It's round and so aides streaking, colony design, etc. I wish pizza was square, but then it becomes difficult for Dominoes to make them. They come in a semi-manufactured state, the local Dominoes completes the manufacture before giving it away to the delivery boys.
 
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#86
So because of the smaller 55nm die,you'd get a lot more complete cores on a 300mm wafer.So in theory you'd get a higher yield with a 55nm die/300mm wafer.
And that only from geometry perspective. :)

You have to add lower operational voltages, lower in-between transistor latency = higher possible clocks and lower power consumption. Everything adds up to manufacturers being able to make the same chip a lot easier/cheaper or a faster chip for the same costs.
 
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#87
They're planning 450 mm wafers!

Read this.
 
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#88
It is cheaper (due to the mathematics of yields in producing semiconductor dies) to produce two smaller chips and place them on one PCB than to produce one larger chip, even if the sum of the transistors is equal in both cases... Q.E.D.
 

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#90
Ok I've seen some of the videos on that link and these 2 explain the thing very well. It's very easy to know why they are round after seeing the secon one, and actually understanding in the end how they make them and specially how they make sure the silicon is pure:

http://www.youtube.com/watch?v=LWfCqpJzJYM&feature=related

http://www.youtube.com/watch?v=aWVywhzuHnQ&feature=related

EDIT: Anyway it's not because they spin while they "plant" suff in them, but quite the oposite from what I've understood. It's while they remove the remains and they could be square for that purpose. I had already taken into account they could make them spin to take those remains out, but square wafers could spin too, it would be just not as easier. :) They have to be round because of how the silicon bar is created though, and I didn't know that. I like learning this kind of things. :D
 
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#91
oh oh i have a brilliant comparison of nvidia to ATI. nvidia is a shelby gt500 with good old muscle and ati would be ATI would be a lexus LS 460 a car that can park itself but would lose in a race with a shelby gt500. now hows tha for a car comparison.

ps. btarunr you would have made a brilliantly chavy sentence if you said "i is serious cat now." :D
 
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#92
Who wants to bet that NV are going to skip the jump to 55nm and go straight to 45nm, a la Intel?
 
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#93
Who wants to bet that NV are going to skip the jump to 55nm and go straight to 45nm, a la Intel?
I thought the same and that thought was kinda strengthened by the fact that TSMC announced they were ready for 45nm and how Nvidia preffers bigger jumps ala Intel, as you said. But I don't think they are doing that, Nvidia also likes using proved technologies and GT200b is said to come really soon. Plus I think 55nm is already said to be GT200b's fab process.

But yeah, the posibility still remains, I wouldn't bet my leg though.
 

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#95
ps. btarunr you would have made a brilliantly chavy sentence if you said "i is serious cat now." :D

No, I wouldn't



See, don't I look serious?™

Ok I've seen some of the videos on that link and these 2 explain the thing very well. It's very easy to know why they are round after seeing the secon one, and actually understanding in the end how they make them and specially how they make sure the silicon is pure:

http://www.youtube.com/watch?v=LWfCqpJzJYM&feature=related

http://www.youtube.com/watch?v=aWVywhzuHnQ&feature=related

EDIT: Anyway it's not because they spin while they "plant" suff in them, but quite the oposite from what I've understood. It's while they remove the remains and they could be square for that purpose. I had already taken into account they could make them spin to take those remains out, but square wafers could spin too, it would be just not as easier. :) They have to be round because of how the silicon bar is created though, and I didn't know that. I like learning this kind of things. :D

This other one explains it all better though, and more deeply, but it's only viable for advanced minds.

http://www.youtube.com/watch?v=oHg5SJYRHA0&feature=related
See, they polish the wafers when they're rotated at high-speeds. Could you do that with squares? Next time, hide the rick-roll in a bundle of links, don't make it obvious, I didn't fall for that last link.
 
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#96

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#97
It is cheaper (due to the mathematics of yields in producing semiconductor dies) to produce two smaller chips and place them on one PCB than to produce one larger chip, even if the sum of the transistors is equal in both cases... Q.E.D.
but not as efficient as both cores have to then split resources at that point and loose a little power than a single core setup
 

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#98
lol nvidia didn't bet the farm on this one. if they did we'd be seeing a commercial on televsion every 3 seconds followed by famous endorcements, several small islands being purchased and named gtx280. lol

nvidia is a big company and it would take alot for them to "bet the farm" on a single chip. it's not like nvidia will really care if ati's is faster thsi time. nvidia will just simply laugh when theirs outsells ati's faster card. this has been typical since the dawn of nvidia (though back then it was rare that ati got a win, the radeon was the first to even truly compete)

the gtx280 seems to be a flop, no biggie nvidia will launch a revision which may or may not flop as well. it doesn't matter because nvidia is already working 4-5 generations out. So if this generation is a flop, they'll simply pour more of their employees into the next gen.

Ati also works several generations out which is why it didn't matter that the r600 was a flop. they already had several others in the pipeline that they knew performed better perwatt.
When I said bet the farm I was referring to this series. It might lose & lose big seeing how things are going but NV loves being the fastest, biggest, loudest, whatever & won't take losing lying down. I just hope they don't go crazy & make a $1200 GTX280 GX2 or some other sick bs to brag about :shadedshu


:roll:

HAHAHAHAHAHAHAHAH!

HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA!

HAHAHAHAHAHAHHAHAHAHAHHAHAHAHAHAHAHHAHAHAHAHA!

HAHA...

HA...

That was a very good one. The first one for me, in fact. Congrats, you were the first one rickrolling me.
That's why I don't ever click on youtube links from these goofy forums...NEVER :D
 
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#99
No, I wouldn't



See, don't I look serious?™



See, they polish the wafers when they're rotated at high-speeds. Could you do that with squares? Next time, hide the rick-roll in a bundle of links, don't make it obvious, I didn't fall for that last link.
Yes you could use the same technique except on the edges, that BTW I don't know why they have to polish them. You could polish them with another technique, it would be more complex but could benefit in the end price of the chips. Of course because of the way they create the wafers they can't be square, but I don't think polishing would be a problem.

About the link I made it obvious because I wanted it to be obvious, that was my joke.

EDIT: BTW is that cat photoshoped? lol
 
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That's why I don't ever click on youtube links from these goofy forums...NEVER :D
I never do, that's why bt made such an achievement. :ohwell: