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[AnandTech] AMD's 7970 4k Display Demo @ CES

9K views 61 replies 38 participants last post by  cHaoSphEre 
#1 ·
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One of the underlying themes of CES this year was the transition to 4K displays. AMD had a 4K (4096 x 2160) demo at its booth driven by a Radeon HD 7970. Most 4K displays require multiple inputs, which was the case in AMD's demo. Two DisplayPort outputs from the 7970 drive the panel in the shot above. AMD ran both video playback and a 3D rendered test as a proof of functionality. If the high-end of the PC space moves to 4K eventually that will continue to drive high-end GPU demand thanks to the 2.1x increase in pixel count over a standard 30-inch display.
http://www.anandtech.com/show/5420/amds-4k-and-bf3video-conferencing-eyefinity-demos-at-ces

http://www.anandtech.com/show/5420/amds-4k-and-bf3video-conferencing-eyefinity-demos-at-ces
 
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#2 ·
my 6990 should be able to handle this, i want!!!
 
#12 ·
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Originally Posted by TFL Replica View Post

Would this work well for games/regular use or is the software behind in that regard?
Games and software lack the support ie. the resolution itself or gui appearance and layout issues that would result from such a dense resolution, but before that support will even happen, the hardware will need to keep up. 4K displays will become mainstrean eventually, economy willing, and more gpu horsepower an memory will be required. Most importantly gpu and game manufacturers have something to aim for.
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PCIex gen 3 should help.

270

It's the future of gaming..
 
#17 ·
Before we go to that sort of resolution some advances in game engines will need to take place. It will be like hdtv I think where the televisions got better then the programming and movies to display on them caught up to the times. Before there was no reason to have an hd camera for the news as no one could see it anyways.
 
#18 ·
I remember when widescreen support was a major concern for those upgrading their monitors. Sometimes we had to modify a game's config files to get the right res+FOV going. It didn't take long for widescreen support to become standard but correct FOV is still not being taken seriously enough by everyone.

I'm guessing OLED displays will become mainstream much sooner than 4K displays.
 
#19 ·
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Originally Posted by Nintendo Maniac 64 View Post

Also, a single DisplayPort should be able to drive even a 4096x2160 monitor @ 60Hz. Why the dual connections?
Because they need 120Hz.
Quote:
AMD ran both video playback and a 3D rendered test as a proof of functionality.
 
#20 ·
Guys, you do realize that modern polygonal 3D games are resolution independent, right? As long as it's not using the older pre-defined resolution options (which most Japanese-made PC games still do
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) a game should list the same resolutions Windows lists in its display resolution options.

The only issue would be from having a wider display, and you could easily avoid that by running at 3840x2160 (16:9).

Though that begs the question - what's the point of an only slightly wider than 16:9 monitor? Either make it 16:9 or go full panoramic with something like 21:9. 4096px width just seems like a marketing gimmick to me just so they can say "z0mg it's true 4k!!!11!1"
Quote:
AMD ran both video playback and a 3D rendered test as a proof of functionality.
I thought they were talking about polygonal 3D, not depth 3D.
 
#21 ·
Quote:
Originally Posted by Nintendo Maniac 64 View Post

Quote:
AMD ran both video playback and a 3D rendered test as a proof of functionality.
I thought they were talking about polygonal 3D, not depth 3D.
D'Oh. They had me confused thinking it was a 3D ready monitor.
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#23 ·
Quote:
Originally Posted by TFL Replica View Post

Would this work well for games/regular use or is the software behind in that regard?
Games should scale pretty linearly, so long as the GPU can handle it. The increased resolution without the increased screen size should lessen the need for AA, which will help performance, and make it a bit easier to get a decent framerate at those resolutions.

I want a 120hz, 30" 4k monitor so badly. I'd give up my three 24" 1080p 60hz monitors for one.
 
#24 ·
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Originally Posted by lordikon View Post

Games should scale pretty linearly, so long as the GPU can handle it. The increased resolution without the increased screen size should lessen the need for AA, which will help performance, and make it a bit easier to get a decent framerate at those resolutions.
I want a 120hz, 30" 4k monitor so badly. I'd give up my three 24" 1080p 60hz monitors for one.
Ill make that trade too infact I would trade three 120hz 1080p monitors for one 120hz 30" 4k.
 
#25 ·
I could use this for Warcraft and HON. Imagine I can see all the map.
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