DX9 games running on XP, yes.
The LAST R600 Rumours & Speculation Thread
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DX9 games running on XP, yes.
Why would anyone do that when there's a photograph of the card showing it to be two slots?
Just history repeating itself. Show me when it was different in the past, until the analogue SW/applications appeared.
I wasn't referring to later "performance" parts but to the first batch of midrange GPUs; up to know they usually got something like half the performance and/or bandwidth than high end GPUs of the same family. If in doubt bounce back to former generation GPUs and make the comparisons. My only other question mark right now is why the hypothetical bandwidth ballpark between midrange and high end is so large this time (assuming the so far rumours are true).
Doesn't change one bit the above question marks.
If we consider that the RV630 will be to the last generation like 6600 and 7600 were to their previous gen. cards, then the only sensible explanation would be that the high-end card might have more bandwith, then actually "needed".
That's true with Nvidia but not necessarily with Ati, with X800 the first "midrange" part was X600 that came with X300 and then x700 later, with X1k it was X1600 that came with X1300 and then RV570 later (X1650XT, X1950Pro). In fact last year they didn't have the "halved " chip at all.
X1800XT = 46.1 GB/s
X1600XT = 22.1 GB/s
....and you may also compare R4x0/Rv4x0 prior to that.
Speculative math:
1.0GHz @ 512bits = 128 GB/sec
1.0GHz @ 128 bits = 32 GB/sec
1.2GHz @ 128 bits = 38.4 GB/sec
etc.
Does it ring a bell now?
Why would anyone do that when there's a photograph of the card showing it to be two slots?
It's OEM-version, not the retail one. There's no photographs of the retail version. :/
Yes the bandwidth is there but it's only a 4 pipeline part. (4-rop's, 4 TMU's vs. 16-rop's, 16 TMU's X1800) It's not the "halved" chip that Nvidias midrange parts usually are.
So maybe this RV630 will be similar, sort of 1/4 X R600.
Would a three slot solution be compatible with Crossfire?
Small correction: X1950XT is only 256MB and didn't really co-exist with the X1900XT-256. That gap between RV670 and R600 is kinda ominous - if that were true wouldn't it mean that the overkill on bandwidth was just to push AA and not something critical to core architectural features?
Its just my guess that RV670 isnt >256b. Considering the time for its introduction (Q3), it might turn out to be >256b or possibly paired with faster GDDR4. More than the % delta with R600, I think it will mainly it hinge on Nvidia's sku in that segment.
Maybe this is a better guess, dunno.
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1/4th of R600 (whatever that should mean) doesn't sound at this stage that promising compared to G86 rumoured specs. I'd expect ATI not willing to give it's competition another midrange "free ride" until their performance (!=mainstream) part arrives.
vertex_shader
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Mainstream card with 65nm GPU and GDDR4 memory with 128 watt power usage? sounds like a FUD.
vertex_shader
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2x4pin cooler port on the card, maybe the retail card coming with a cooler like in gecube using in x1950pro fz-cool
With the only other difference that any difference made between RV530 and G73 were most likely due to the higher pixel/texel fillrates of the latter.
Now look at your own links what Arun is suggesting for G86 and tell me how well that ties with what others have suggested so far for RV630.
Maybe this time round RV630 is half of R600 like this generation; R580/RV560.
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