ATI 4800 series rumors

[Viral]

For some reason I got the impression that this means the card will be sold in two varieties; one with a 512-bit bus and GDDR-3/4 and another with a 256-bit bus and GDDR-5, effectively giving both cards similar bandwidth. Fingers crossed they mean GDDR-5 AND a 512-bit bus, though. Lets hope the GPU can make use of that kind of bandwidth...

[Revs]

For some reason I got the impression that this means the card will be sold in two varieties; one with a 512-bit bus and GDDR-3/4 and another with a 256-bit bus and GDDR-5, effectively giving both cards similar bandwidth. Fingers crossed they mean GDDR-5 AND a 512-bit bus, though. Lets hope the GPU can make use of that kind of bandwidth...

Yeah it does read like it'll be an either/or choice. 512bit and GDDR5 would be overkill I think.

[Toss3]

For some reason I got the impression that this means the card will be sold in two varieties; one with a 512-bit bus and GDDR-3/4 and another with a 256-bit bus and GDDR-5, effectively giving both cards similar bandwidth. Fingers crossed they mean GDDR-5 AND a 512-bit bus, though. Lets hope the GPU can make use of that kind of bandwidth...
GDDR5 and 512 bit bus is a waste. They could never fully utilize the bandwidth, so I'm guessing gddr5 + 256 bit and gddr3 with 512 bit.

[Revs]

For some reason I got the impression that this means the card will be sold in two varieties; one with a 512-bit bus and GDDR-3/4 and another with a 256-bit bus and GDDR-5, effectively giving both cards similar bandwidth. Fingers crossed they mean GDDR-5 AND a 512-bit bus, though. Lets hope the GPU can make use of that kind of bandwidth...

Yeah it does read like it'll be an either/or choice. 512bit and GDDR5 would be overkill I think.

[Viral]

I guess they'd probably do this because GDDR-5 may be in limited supply. Smart move.

[Revs]

I wonder which would be the cheaper one. I bet GDDR5 is quite expencive but so would a 512bit GPU.

[Lfctony]

If you read carefully it says at fisrt that the fastest of the 2 will have two exciting new features. Then he goes to list the two features, the first GDDR-5 and the other being 512bit bus. He's not talking about two different cards, he's talking about the fastest chip of the two, and it's two features, the bus and the memory support...

The fastest of ATI's two upcoming chips, the RV770XT, will offer support for two cool memory marchitectures. One -> One is GDDR5, a very fast memory, Two -> and the second is 512-bit memory interface.

[KasuCode]

If you remember what I said before (hearing it at a thread at chipzilla) the 4870X2 will use the 512Bit and GDDR5. And if you remember previous rumors such as both cards using the same memory pool and working more like 1 card, Makes you wonder how they will really do the X2 card this time.

[Revs]

In a week

RV770PRO with GDDR3 has been sampled a few weeks ago and AMD is about to sample RV770XT cards with GDDR5 memory.

As we said before RV770XT will end up as the faster from two and it has the 512bit memory support. Naturally, RV770XT is bigger and hotter than its predecessor, the RV670XT, but at the same time, it will end up significantly faster.

It will have a bigger cooler and of course it supports DirectX 10.1 and its developed in 55nm. Remember this is a mainstream/performance product and it won’t be that expensive.

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7289&Itemid=34

Behind closed doors at Computex

AMD plans to show off its RV770XT and PRO cards at Computex, but it won't launch it until late June.

We've learned that AMD plans a launch and retail /etail availability of RV770XT and PRO based products in the last week of June.

We've told you before that the real retail availability is planned for Q3 2008 and Q3 as you might know will start with the first day of July. If AMD decided to launch the card at Computex, the retail cards would follow after three weeks and the company doesn’t want that.

Nvidia set up a launch and the availability rule and ATI obeys it.

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7287&Itemid=34

GDDR3 only

We wrote that RV770XT supports 512-bit here and now we have learned that the slower RV770PRO will only support 256-bit and it will use GDDR3.

It looks that the current GDDR5 design sticks with 512-bit memory interface and that RV770PRO will use 256-bit GDDR3 memory. The RV770PRO will need a smaller cooler, as it is definitely going to end up the cheaper of two, and you can bet on a sub-$200 price.

RV770PRO will also end up with a slower clock than RV770XT, but we still don’t know what the current speed plan. It is sampled and it works, at least the RV770PRO with 256-bit GDDR3 does.

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7274&Itemid=34

[Revs]

Same as last time

We've learned that R700, a dual RV770 product, won't launch alongside with RV770 products. As we've said before, both RV770 are scheduled for late June launch, and it looks like the dual chip card won't launch simultaneously.

R700 will launch at least one month later, and you can probably blame the complicated design and drivers for such inconvenient timing.

The way it looks now, GT200 based cards will launch first and then will AMD follow with its high-end card.

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7321&Itemid=34

[Toss3]

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7321&Itemid=34
Yep, this is what happens when there is competition! (nana2)

[walterman]

Dunno if this has been posted, but, interesting:

http://www.tgdaily.com/content/view/37453/135/

In terms of performance, we heard some interesting claims. A 4870 should perform on par with or better than a dual-chip 3870 X2. Our sources explained to us that using a PCIe Gen1 controller 3870 X2 was a mistake, since the board was hungry for data and didn't sync well with this interface. Don’t expect the ATI team to repeat that mistake with the 4870 X2. However, we admit that we have no idea what kind of connection two RV770 GPUs will have.

So, ATI finally has a single chip to compete with the G80/G92, cause if i remember, the 3870 X2 was usually ahead of the G80/G92 single chip cards. Therefore, the 4870 X2 should perform on par with the 9800GX2, if not better.

[AthlonXP1800]

So, ATI finally has a single chip to compete with the G80/G92, cause if i remember, the 3870 X2 was usually ahead of the G80/G92 single chip cards. Therefore, the 4870 X2 should perform on par with the 9800GX2, if not better.

Well 3870 X2 not overall ahead of the G80/G92 so it a tie accorded to reviews with 60 benchmarks showed 3870 X2 beated G80/G92 cards with 30 and G80/G92 beated 3870 X2 with 30, it a deadheat.

[mullet]

this is gonna be a good year for GPU's

[Revs]

this is gonna be a good year for GPU's

True, and not before time. I'm gonna be upgrading, the question is; with what.

[Redeemed]

Same here. I'm shooting to be running a dual-card setup but just have no idea whether it'll be CrossFireX or SLi. I'm not too concerned about literally having the fastest, but what will offer the best balance of performance, stability, and reasonable price. For a while that description seemed to fit CrossFire, but seems that's changed now. Kinda' interesting how this will pan out. :D

[fuelrod]

Update launch details

Another interesting article .....

http://www.tgdaily.com/html_tmp/content-view-37453-135.html

[Lfctony]

Well, a cheap 4870 or a 4870 x2 will be a very worthy upgrade over my 8800GTX. I've been looking to change this baby, hopefully the GT200 or these cards will provide the performance to make it happen...

[mullet]

Well, a cheap 4870 or a 4870 x2 will be a very worthy upgrade over my 8800GTX. I've been looking to change this baby, hopefully the GT200 or these cards will provide the performance to make it happen...

We are all hoping mang.

[AthlonXP1800]

RV770XT to etail for $229

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7363&Itemid=1

$229 for a RV770XT and co-exist with Radeon 3870 and 3850 cards? It do not sound like it will be much faster.

RV770XT and Pro to launch on June 16th

http://www.fudzilla.com/index.php?option=com_content&task=view&id=7362&Itemid=1

[Revs]

Jeezus that's cheap. Should be a stonkin VFM card.

[walterman]

RV770 Preliminary Performance Revealed

http://www.vr-zone.com/articles/RV770_Preliminary_Performance_Revealed/5782.html

We have received some preliminary performance numbers from CJ for Radeon HD 4870 and 4850 vs the current GeForce 9800 series lineup. Apparently, RV770XT with GDDR5 (160W) will run 1.3X faster than RV770PRO with GDDR3 (110W). Two key factors that contribute to the 30% difference in performance between the 2 cards: a 100MHz core clock difference and a faster GDDR5 at 1.96GHz vs GDDR3 at 1GHz. Interesting, RV770PRO will run 1.25X faster than GeForce 8800 GT/9800 GT while RV770XT will run 1.25X faster than GeForce 9800 GTX.

So, finally, ATI has a single chip card, which is faster than the G80/G92, and by a nice margin. Now i see why nvidia needs something faster than a 55nm G92.

Try to imagine 4x of those GPUs in your Intel mobo :)

[Revs]

That's superb news. Grats to ATI. The performance/price ratio is gonna make this card a very good seller mithinks!

This suggests the X2 could well be better VFM than the GTX280. As always it's gonna be down to the drivers though.

[slaWter]

Try to imagine 4x of those GPUs in your Intel mobo :)

Yeah but I had high hopes for the 3870X2 Quad Crossfire already... then AMD didn't deliver, again!
I'd need a new board for Crossfire anyway so I bet it's not worth it for me. I'll get a GT200 instead and change the board for Nehalem.

[H3avyM3tal]

Now all they need to do is get some working drivers and all will be well.
And I so hope they do manage to produce good drivers...