AMD: Southern Islands (7*** series) Speculation/ Rumour Thread

The thing is, each card is individual, the contact between core & fansink might be a bit worse on some etc, resulting wildly different dBa's as the fan needs to spin faster on card x when the contact is bad.

 

Not sure, but looking at reviews the 7970 at load is generally a bit louder than the GTX 580. Which makes me think my friend's 580's might be roughly the same noise level due to age (dust and maybe fan wear over time).

Regards,
SB

 

Showing is always better, and the 6970 is the same as the 580 at load not louder at least in that test. However certain pitches might be more annoying to some so a dB meter isn't going to show what's best for you.

Difference doesn't seem all that much anyway, if you're really concerned about noise, use a water block or wait for a custom cooling solution better suited to your needs.

 

Ye not saying that 7970 isn't loud at load, just in general.

I one did sort of "compilation" of 3 cards, i think it was 470, 480 and 5870 or 570, 580 and 6970.
I think it was something like 10 sites, which of only 2 or 3 got the cards even in same order on loudness

Though in case of 7970, it has to be said that the loudness seems to be a choice - the load temps are so much lower compared to last gen according to many reviews, so they could have made the fan profile more forgiving on the expense of temps getting around same as last gen

 

Yup, water and a bunch of fans @ 600 rpm

 

Join the club.
Personally, after years of messing around with fan/heatsink replacements, silencing surfaces and whatnot, I decided to attack the problem at its core, and simply keep the generated heat low.

Which brings me to the 7870/7850 cards. Rumors pegged them at a February release, but we have heard nothing about them at all. I hoped that the 7870 would be able to offer a nice blend of performance and power draw, once the tools for dropping voltages and clocks (and adjusting fan behavior) becomes available. (Thanks as always to Wizzard and BAGZZlash for their contributions.)

But I've heard or seen nothing, which is a bit unusual for cards assumed to be released so close in time, not even rumors of delay. Complete silence since the launch of the 7970. Odd.

 

Yeah, I am very eager for the 78xx line to be released. I really need an upgrade from my 4850 and I'm hoping they will be in my $200 budget. But if they're more than a few weeks off I'm afraid I will be weak and break down to buy a used 6950, or something, off eBay.

 

PS4 is going Nvidia

 

How do you figure? I haven't heard anything one way or the other...

 

Apparently Charlie has

http://semiaccurate.com/forums/showpost.php?p=146383&postcount=93

 

http://hardocp.com/article/2012/01/09/amd_radeon_hd_7970_overclocking_performance_review/7

I wonder if ATI/AMD will release official (HD7970 OC edition) to encounter Nvidia Kepler GPU.

 

At least they have left some space in the numbering scheme between the 7970 and the 7990.
Let's wait and see.

 

Fudo already jumped on that specualtion too:

http://fudzilla.com/home/item/25561-faster-radeon-7970-sku-possible

Warning: There is nothing really new in that article.

AMD have still some headroom left towards 300W, they can use it. But maybe do it with a nonreference cooler, please.

 

From xbit's review:

and they tested with 16xAF in both cases.

http://www.xbitlabs.com/picture/?src=/images/graphics/radeon-hd-7970/zfulltable.png

At stock a bit slower than a 910/4780 gtx580 with AA and a bit faster without. As compared to the 860/4000 clocks on gtx580 in Hocp review.

 

Looking advantage 28nm over 40nm, without increasing voltage on HD7970 even overcloked, it consumes less power then overcloked GTX580.






But when you overcloked even further after increasing voltage on HD7970, at this point - it does consume more power then GTX580 but the performance over GTX580 does justify, even power increased much higher then GTX580.

 

that missing phase and 2x8 pin pcb layout makes me wonder when we're gonna see XTX version..

 

I don't think there's any question at this point that they have held something back and there's no doubt when we'll see it, right around the launch of kepler.

 

The missing phase could be added, but 2x8pin is just leftover from ES'es no doubt, they won't go breaking PCIE specs on single chips, that's for sure

 

Does PRT require special support from northbridge (i.e. pci-e 3.0 or ats/pri or something else) ?

The same question about x86 uniform address space. Does it work with "older" hardware?

 

http://www.youtube.com/watch?v=nYMDPn-rWdo