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[PCO] First AMD R9 290X review - Page 49

post #481 of 1148
Isnt that montreal nvidia thing today?

hopefully we see some price drops and new cards thumb.gif maybe someone at nvidia saw these benchs and decided they were real lol.
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post #482 of 1148
Quote:
Originally Posted by Durquavian View Post

But then we can claim as Alatar does that it is 20% faster than a Titan. Regardless of actual end performance.

We will have to wait and see. Do you have a 4k display?
post #483 of 1148
Quote:
Originally Posted by Durquavian View Post

Your credibility has faultered quite a bit. And bus width is huge in performance. Do we need to remind you haw 256 bit buses fell behind the 384 bit in higher resolution and high AA?

Because I made some wrong guesses that at the moment seemed like the most likely things to happen? If you think so. For example, I didnt think 64 rops and 2816sp would fit on this die. And they wouldn't have if AMD would just have increased the size of the bus, but for some reason they managed to cram 512bit bus into a smaler space than the 384bit one. A fact that absolutely no one (including me) saw coming. Had you done the math back when that piece of info was not known you would have come to the same conclusions as I did.

Anyways, Tahiti cards fare better at high resolutions and high AA because they have more bandwidth. Not because of the bus width. High speed + smaller bus or low speed + wider bus are just as valid options and neither is superior. Bandwidth is all that matters. At stock the 290X has 11% more of it. When you get close to 8ghz memory clocks on the Titan you're in the ~380GB/s range (up from 288). The same numbers the 290X will reach if the rumored memory OCing potential is accurate.

But please do explain how the width of the bus matters more than how much data you can transfer each second. Anxiously waiting for an explanation. I'm sure GPU manufacturers would also like that considering that as I said, they very much prefer smaller bus widths early into the life cycle of a gddr generation. And then gradually increase the size and clocks to improve bandwidth that's needed with the addition of extra SPs/Cuda cores.
 
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post #484 of 1148
Quote:
Originally Posted by Alatar View Post

1) Titans have 6GB

2) Bus width alone doesn't really mean anything. What you want is high bandwidth (why do you think manufacturers prefer a bigger bus late into the life cycle of a gddr generation and a smaller bus early?). The 290X only has ~11% more bandwidth than the Titan.

Besides, the review in the OP has resident evil 6 both at 1080p and at 1600p 4xMSAA. The difference between the cards at 1080p was 0fps and difference at 1600p was 1fps in favor of the 290X, most likely due to rops or random variation. Such a mind blowing difference.

Besides, at its rumored max memory oc (6ghz) the 290X has about the same amount of bandwidth as a max memory oc titan.

Lots of bandwidth and memory is great and all but you gotta have the SPs to use them.


And if it does all of that at a lower price than the titan then it's a pretty good deal then hey Alatar? smile.gif
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post #485 of 1148
Quote:
Originally Posted by LaBestiaHumana View Post

We will have to wait and see. Do you have a 4k display?
No. Likely wont have a 290X and definitely cant afford a 4K display. At 1080p and 2 7770s. Trust me, if I could find a way to rationalize a 290/290X purchase I will. Maybe a Christmas present....
post #486 of 1148
Quote:
Originally Posted by Alatar View Post

Because I made some wrong guesses that at the moment seemed like the most likely things to happen? If you think so. For example, I didnt think 64 rops and 2816sp would fit on this die. And they wouldn't have if AMD would just have increased the size of the bus, but for some reason they managed to cram 512bit bus into a smaler space than the 384bit one. A fact that absolutely no one (including me) saw coming. Had you done the math back when that piece of info was not known you would have come to the same conclusions as I did.

Anyways, Tahiti cards fare better at high resolutions and high AA because they have more bandwidth. Not because of the bus width. High speed + smaller bus or low speed + wider bus are just as valid options and neither is superior. Bandwidth is all that matters. At stock the 290X has 11% more of it. When you get close to 8ghz memory clocks on the Titan you're in the ~380GB/s range (up from 288). The same numbers the 290X will reach if the rumored memory OCing potential is accurate.

But please do explain how the width of the bus matters more than how much data you can transfer each second. Anxiously waiting for an explanation. I'm sure GPU manufacturers would also like that considering that as I said, they very much prefer smaller bus widths early into the life cycle of a gddr generation. And then gradually increase the size and clocks to improve bandwidth that's needed with the addition of extra SPs/Cuda cores.
Why? Because at some point I claimed to know everything as you did? I don't and I am smart enough to state that I will wait till some reviews from sites or users come out. I only state that 512 bit bus will have an impact, how much? Don't know. But you seem fine disavowing it altogether. Have you learned nothing in this whole 290X prediction fiasco?
post #487 of 1148
Quote:
Originally Posted by mboner1 View Post

And if it does all of that at a lower price than the titan then it's a pretty good deal then hey Alatar? smile.gif

Depends.

If it OCs to titan levels of performance and comes in at $650 or less then yes. I'm putting it against the 780 classy here obviously though. Titan is a pointless comparison at this point. It was for early adopters (8 months ago btw, even bigger gap than Cypress to Fermi...) and is for people who want double precision or 6GB.
Quote:
Originally Posted by Durquavian View Post

Why? Because at some point I claimed to know everything as you did? I don't and I am smart enough to state that I will wait till some reviews from sites or users come out. I only state that 512 bit bus will have an impact, how much? Don't know. But you seem fine disavowing it altogether. Have you learned nothing in this whole 290X prediction fiasco?

I've learnt that unless you add "I speculate" at the beginning of each line of text people will say that you are saying something you are certain of. Only thing I'm certain of right now is that Hawaii has been pushed much harder than GK110 at stock and the likelihood if it OCing to match is pretty much nil.
Edited by Alatar - 10/16/13 at 5:02am
 
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post #488 of 1148
Quote:
Originally Posted by Durquavian View Post

No. Likely wont have a 290X and definitely cant afford a 4K display. At 1080p and 2 7770s. Trust me, if I could find a way to rationalize a 290/290X purchase I will. Maybe a Christmas present....

Why is it you put so much emphasis on 4k? TBH many of these 290X is king of 4K comments come from people that want to see "290X BEATS Titan" no matter what. Assuming it does and at a lower price, A person dropping 3500USD on a 4K display probably won't be worried about the cost of the cards, but more with performance. We still havn't seen benchmarks of 290X in crossfire. Only single card performance. We already know Titans scale very well at 4k.
post #489 of 1148
Quote:
Originally Posted by LaBestiaHumana View Post

Why is it you put so much emphasis on 4k? TBH many of these 290X is king of 4K comments come from people that want to see "290X BEATS Titan" no matter what. Assuming it does and at a lower price, A person dropping 3500USD on a 4K display probably won't be worried about the cost of the cards, but more with performance. We still havn't seen benchmarks of 290X in crossfire. Only single card performance. We already know Titans scale very well at 4k.


that is the reason behind 99% of the posts from these people.
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post #490 of 1148
Quote:
Originally Posted by Alatar View Post

Titan is a pointless comparison at this point. It was for early adopters (8 months ago btw, even bigger gap than Cypress to Fermi...) and is for people who want double precision or 6GB.

For people that wanted epeen, nothing more, nothing less. DPFP-hungry users went Quadro (or Radeon), cost-effective performance users went multicard. Titan was for epeen.
   
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