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ATI 5xx Roadmap updated @ Anandtech

B

Big Fat Duck

Gawd
Joined
Jul 5, 2005
Messages
601
hoooooooooooooooooooooooo
i consider anandtech to be pretty reliable

http://www.anandtech.com/video/showdoc.aspx?i=2527


i think this stuff is new:

The available marketing information claims that the GPU uses an "ultra-threaded quad-core 3D architecture" and a "512-bit ring bus" memory controller. For those of you who know a little bit about GPU architecture, the core-quads split the pipeline in the GPU into groups of four (hence the word "quad"). The documentation hints that there are four quads, so expect to see 16 pipes on this card. There are some "confirmations" of 24pp and 32pp, but the roadmaps clearly say four quads (at least to begin with) due to yeild. All signs indicate that a future generation, R580, will use six quads instead. The 512-bit ring bus actually excites us the most; Cell's Elemental Interface Bus (EIB) uses a 16-byte wide quad ring bus, capable of transferring 16-bytes per cycle to the various SPEs. R520's ring bus would actually be four times wider than the bus found on Cell; though this implementation is in R520's memory controller rather than the PPE-to-SPE interface. With all the hype for R520 so far, everyone is banking on the memory controller to put X1800 ahead of R520.
Click to expand...
Other interesting technologies on R520 include Shader Model 3.0 (and thus HDR), Adaptive Anti Aliasing, and up to 512MB of GDDR3 memory. Our sources indicate that only the Crossfire versions of X1800 will support 512MB initially, but this may change further downstream. Radeon X1800, X1600 will also feature ATI's Avivo(TM) technology, which we currently cannot discuss further. There was also indiciation in the roadmap that this generation of ATI cards will be supported in Vista.
Click to expand...
 
im reading over this thing and i notice some typos
"quad-core" and then "core-quad" wtf?

well one thing we can be somewhat sure about is that the R520 will have a very interesting memory solution
 
He did confirm the 16 pipe theory as oppose to the 32-pipe stuff we've been hearing across the net, I guess it seems more realistic. I can't wait to see this thing in action, especially with it's ol' beeehind of a heatsink, I'd like to slap some BBQ sauce all over it. :p
 
nice...but 16pipes??? :confused: :confused:

if theyre those pipes that r 1.5 times better than the normal ones then its 24 pipes...lets hope so
 
So let me get this straight, since it is 16pp @ 600mhz, its fillrate will be lower than the 7800GTX but to compensate it'll have faster memory and higher vertex?

:confused:
 
Sc4freak said:
So let me get this straight, since it is 16pp @ 600mhz, its fillrate will be lower than the 7800GTX but to compensate it'll have faster memory and higher vertex?

:confused:
Click to expand...
Remember Anand is hinting to a new memory (512-bit) and other inhancements. All major sites have been preaching "pipes" are a thing of the past.
 
internal 512 256 bit to the memory i think this is all a play on words, sort of like when 3dfx was struggling and redoing the voodoo core time after time without adding new features they put a spin on normal specs. the 16 bit color thing was a huge thing saying thier 16 bit color looks like 22 bit, it is all a play on words till we have soemthing concrete. from my expirence a company is not hush hush and late by months with something groundbreaking you dont give investors the wishy washy speach ati did, if they have something truly compelling.
 
Ring bus suggests a serial transport system to me. 512bit internal memory paths (to local cache memory) is totally possible. 512bit to onboard memory is next to impossible just due to the complexity of the PCB design (would need a greater than 16-layer board)

I'll be very interested in this when it arrives, it does sound like there are quite a few new ideas inside the core architecture of the chip (does not sound like just upping the clockspeed and doubling pipes)
 
Look how crazy they get with the damn names....

Several of ATI's AIB partners told us that there will be no Radeon X800GTO2 recently. There might be an exclusive deal lined up for a specific AIB, but all signs seem to indicate that X800GTO and X800GT are the short term products that are supposed to replace X800XL, and that inventory of the 90nm components should be widely available before the EOL of X800GTO.
Click to expand...

Imagine trying to keep track of the rest of the more normally named things and there features, then you get to this for the finale.... my head explodes and I passed out. :D

Mayhs said:
nice...but 16pipes??? :confused: :confused:

if theyre those pipes that r 1.5 times better than the normal ones then its 24 pipes...lets hope so
Click to expand...

If the pipes were the exact same efficiency as NV they could still do 1.5x Clock rate for the same theoreticals. Pipes a thing of the past is quite a bunch of over glorification. It's still pipes and clock rate altering the full range of ATi or NV's products top to bottom. Yes across companies it is getting more muddied then before, but old stuff applies, if the clock rates weren't expected to be high on the ATi part the skepticism would be busting and rightfully so.
 
ATI must have a reason to keep 16 pipes on the card instead of using 24. As these new pipes would be more efficient at transferring data. Even if the external memory bus is still 256bit, the 512bit internal ring bus would still increase performance by quite a bit(maybe not, but thatats what i think).

I really want the R520 to come out allready...ARG!

Hopefully the R520 doesn't suck ass and poses some competition to the 7800GTX.
 
Mayhs said:
nice...but 16pipes??? :confused: :confused:

if theyre those pipes that r 1.5 times better than the normal ones then its 24 pipes...lets hope so
Click to expand...

how many times must i say, don't get caught up in the number of pipelines anymore

i can't make it anymore clear than that

pipelines do NOT equal performance these days in games like they use to
 
Brent_Justice said:
how many times must i say, don't get caught up in the number of pipelines anymore

i can't make it anymore clear than that

pipelines do NOT equal performance these days in games like they use to
Click to expand...

My toilet has only 1 pipe and it's a pretty descent performer :p

I think everyone needs to take a deep breath, watch football and wait for the cards to hit the shelves.

Also... what's with using a quote from the creepy chick from Firefly in your sig? ;)
 
PC-HAngover said:
Haha.. I just noticed that.. man that girl is weird....
Click to expand...

I would like her better if she was hot like the hooker or the mechanic

Back On Topic:
The names for the next gen ATI cards are getting funky.
 
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