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-   -   Ati 5870 info? (https://www.hardwarecanucks.com/forum/rumor-mill/11182-ati-5870-info.html)

Jonwall October 24, 2008 08:03 PM

Ati 5870 info?
Found this interesting story, if it turns out to be true ATI may take nvidias spot as the dominant card maker


Some hardware loving Germans have come up with some "neue" details regarding the RV870. The details are said to come from an inside source.
Here's the break down: the GPU is going to be a 40nm part. It's going to have 1/4 (or +%25) more shaders compared to the HD 4870. The theoretical computational horsepower is going up to 1.5 TFLOPS, which is pretty insane (the HD 4870 has about 1 TFLOP.)
I'm not sure if this is a translation error, or so some sort of hardware-freaks kinky pet-name, but the new card appears to have the code-name Lil Dragon. Not sure if this is an internal codename or just something some German writer guy with a job similar to my own just came up with just now to throw me off.
The GPU will be very tiny. The die is supposedly 205 mm˛. Compare this to the RV770 being 256 mm˛, and the GTX 280 being a big 576 mm˛.
DirectX 11 is most certainly going to be there. DX11 is generally accepted to be happening in mid 2009, probably with the first DX11 games coming out in the third quarter of 2009. My prediction is going to be that DX11 will actually bring some significant changes, and will exist, unlike DX10, which came (and will leave) with hardly anyone noticing. (And no, you will not have to upgrade to Windows 7 for DX11 -- it'll be a download for Vista.)
ATI looks like it'll stick with GDDR5 memory, tied to a 512 bit memory interface. The source pins the memory bandwidth at 150-160 GB/s, which seems completely reasonable.
And here is where things get really interesting. The HD 5870 supposedly uses some sort of cooling that ATI hasn't tried before. And thanks in part to the small size of the GPU, the HD 5870 X2 is going not have two seperate GPU's -- instead it will be two RV770 cores stacked on top of each other, sort of like Pentium-D style.
If this is the case, theoretically you could put three HD5870X2 into one motherboard, giving you like six times the power of one of HD5870 -- now that'd be performance. Of course, back in the real world, things don't scale very well after 3 GPU's are CrossFire'd. But who knows, maybe ATI will work some CrossFireX magic up, who knows.
Disclaimer: These are all rumors. All these specs seem sort of reasonable and makes sense, but none of this stuff is confirmed.

JD October 24, 2008 10:13 PM

Some interesting rumors though it's hard to say how much of it is true or not. Seems semi-reasonable however.

Cheator October 24, 2008 10:36 PM

I'll...beleive it when i see it.

Iamcanadian7 October 24, 2008 10:46 PM


Originally Posted by Cheator (Post 104518)
I'll...beleive it when i see it.

Agreed, however the thought of 6 gpu's auctually running well and scaling gives me a bit of a chubby.

Jonwall October 25, 2008 11:03 AM


Originally Posted by Iamcanadian7 (Post 104523)
Agreed, however the thought of 6 gpu's auctually running well and scaling gives me a bit of a chubby.

Technically it could be 8, but the 4th card atm doesnt do much of anything so they just said 6 gpus. Gives me enough of a reason to get a crossfire board and wait for it

belgolas October 25, 2008 11:23 AM

But that would be EXPENSIVE! Six gpus would cost way to much. Anyways I plan to not upgrade till DX11 and DX11 games come out.

muse108dc October 25, 2008 12:11 PM

all rumors I have read upto this point have been using the code name Lil Dragon as well so I think its coming from ATI.

But why is the 5870X2 going to be 2x R770s and not R870s?

If they do stack them wouldnt it be possible for them to do an 4 chip card, 2x 2 stacked? Which would be awesome.

Jonwall October 25, 2008 05:09 PM

I think thats an error in translation or a typo, i dont see the 770 being mentioned again in that area of the original german article.

magictorch November 7, 2008 06:58 AM

It looks like the 5870 is going to use the same PCB as the 4870 if that gap for a larger VTECH chip on the 4870 is anything to go by.

That would be great if that's the case as you could carry over the full-cover blocks to the 5870's.....would save a tonne of money:biggrin:

HermesĄ˘ November 15, 2008 11:37 AM

So was it a waste of money to buy a 4870 because I want DX11. :(

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