AMD's Radeon HD 6990: The New Single Card King
by Ryan Smith on March 8, 2011 12:01 AM EST- Posted in
- AMD
- Radeon HD 6990
- GPUs
BattleForge
Up next is BattleForge, Electronic Arts’ free to play online RTS. As far as RTSes go this game can be quite demanding, and this is without the game’s DX11 features.
With BattleForge we see the 6990 fall in to a similar hole as the rest of the 6900 series when it comes to performance relative to NVIDIA’s 500 series: sometimes they do well, and sometimes NVIDIA has an advantage in the game; this is the latter.
In the meantime this is one of our better examples of why memory bandwidth matters, as not only does the 6990OC gain little on the 6990, but even the 6990OC trails the 6970CF by 8%. Clearly performance relative to the 6970CF is going to depend on how limited a game is by memory bandwidth. In the worst case, we’re looking at 6950CF-like memory bandwidth, and as a result 6950CF-like performance. The 6990’s advantage over the 5970 also shrinks here as a result, dropping to 17%.
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MarkLuvsCS - Tuesday, March 8, 2011 - link
Thanks for an awesome article!Minor typo in section "ONCE AGAIN THE CARD THEY BEG YOU TO OVERCLOCK" second to last paragraph second sentence says "...the 6690OC’s core clock is only 6% faster and the memory clock is the same, versus..."
Figaro56 - Tuesday, March 8, 2011 - link
Yes this is the article I as waiting for. Time to get rid of my 2 HD 5870 cards and purchase 2 HD 6970 ones. I wouldn't get an HD 6990. That is pretty clear.Thanks AnAndTech!
mino - Tuesday, March 8, 2011 - link
AT has CHOSEN to not overclock the card based on its THEORETHICAL (Furmark) load temperatures ...Go bash AT for writing "OC" on the slides while they enabled ONLY the performance BIOS. Not doing ANY overclocking whatsoever by fear of Furmark ...
In effect what they have done was in effect a factory OC, not a traditional OC of the what-it-can-handle kind.
Great, so Furmark has achieved one more evil goal: it prevents (AT?) journalists to do overclocking reviews ...
mino - Tuesday, March 8, 2011 - link
Here come some real OC numbers: www.legitreviews.com/article/1566/14BTW, they did not even bother with the #1 BIOS option to achieve it ... so, lets talk about biased reviewing, shall we?
RaistlinZ - Tuesday, March 8, 2011 - link
Looks like the 2x6950 is a much better option, given you'll have much less noise to deal with and that they can be flashed to 6970 shaders.If this card had been $599 I probably would have picked one up. But at $699 I think I'll just wait for 28nm generation of cards.
Thanks for trying, AMD.
MarcHFR - Tuesday, March 8, 2011 - link
Hi,Drivers used are :
NVIDIA ForceWare 262.99
NVIDIA ForceWare 266.56 Beta
NVIDIA ForceWare 266.58
AMD Catalyst 10.10e
AMD Catalyst 11.1a Hotfix
AMD Catalyst 11.4 Preview
Is it possible to know wich driver is used for each card ?
Thanks
jcandle - Tuesday, March 8, 2011 - link
Ryan, any chance you'll be doing a thermal compound review soon? 8% against their stock compound. How much better is it than current performance aftermarket compounds?IanCutress - Tuesday, March 8, 2011 - link
Quite difficult to get accurate thermal compound numbers. There's no way you can guarantee that the compound will be spread evenly and accurately every time. Any big 8ºC differences will show sure, but you're always playing with statistics to +/- 3ºC. Then there's the inevitable argument about the right way to apply the paste...7Enigma - Tuesday, March 8, 2011 - link
More importantly is the normal compound most manufacturers use is junk compared to a good thermal compound such as arctic silver (don't keep up on the latest brands as I still have Arctic Silver 3 that works great for me). So that 8% might very well be true since the normal stuff is of poor quality.ypsylon - Tuesday, March 8, 2011 - link
But few issues need to be addressed. Noise for starters, nearly 80dBA. Thats like working in a foundry. Also cooling is highly inefficient for card of this size. Need some 3rd party solution or water cooling altogether.Biggest problem for 6990 could be (or rather will be) nVidia. If they price GTX590 at the same level or even below $700 price tag then AMD will be screwed totally. For now waiting for GTX590 and 6990 with some after market coolers as stock solutions are completely unacceptable.
One thing straight - I do not sleep on ca$h and if I buy 6990/590 it will be ma$$ive expense for me, but... What swings things for me with cards like this, is that I do not need uber VGA for 30 monitors. All I want is card with large frame buffer, which will live in my PC for ~10 years without need to upgrade, and it will occupy only 1 PCI-ex x16 slot. SLI/CF is totally misguided if you do have some more hardware installed inside. Sometimes (with all that SLI/CF popularity) I wonder, why 7 slot ATX is still alive and 10-12 slot motherboards are not a standard?