[Toms] Nvidia's New 3D Vision 2 Vs. AMD's HD3D

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Aikouka

Lifer
Nov 27, 2001
30,383
912
126
HD3D *DOES* support 1080p/120 Hz, over DisplayPort (not HDMI).

I'm curious... what transmission method does it use for this? I would assume that it's something completely different from the HDMI implementation (similar to how nVidia's methods are different).

For HD3D you need a DisplayPort 3D monitor, just like for 3D Vision you need a DVI-D 3D Vision monitor.

That's one thing I've always wondered about... do you actually need a monitor that's specifically labeled for "nVision 3D" or would any 120Hz DVI-D monitor suffice? My assumption has always been that nVidia handles the actual 3D stuff all on its own and simply sends left-right over and over at the 120 refresh rate.

So, essentially... the monitor is just displaying the picture that the video card sends, but it would have no idea that given glasses + infrared signaling, it could display a 3D picture. This is completely different than how HD3D over HDMI (or your Blu-Ray player) works as the signal sent to the monitor is usually in some weird format that must be interpreted.

If you're using 4xAA that's likely the cause of the poor performance you saw with WOW, as the TriDef driver doesn't play well with MSAA in that title. That's why Tom's used MLAA. But without AA the experience is very good at 1080p, and certainly not limited to 24 Hz as long as you're using the correct monitor over the proper supported display cable.

That's what I was wondering when I ran it, but I wasn't entirely sure since SC2 ran fine with my standard settings (AA and AF enabled -- can't remember to what degree though).
 

Aikouka

Lifer
Nov 27, 2001
30,383
912
126
For example this monitor from Samsung offers 120hz, 60hz per eye at 1080P, for AMD HD3d, utilizing DDD software.

http://www.xbitlabs.com/articles/monitors/display/samsung-sa950.html

http://www.samsung.com/hk_en/consume...7-and-9-3d-led

While skimming over the article, all I could think about is why Samsung didn't include 3D Vision support. It appears that AMD's HD3D and nVision 3D both use Frame Alteration when at 120Hz, but in the case of the monitor above, it handles the transition between eyes slightly differently.

But even then... if the Samsung monitor displayed a black screen (for the transition) and the nVision glasses blacked out both eyes, it wouldn't matter. I guess it comes back to my question about whether the monitor does any processing in regard to handling the 3D or does it just display the frames as provided by the GPU (which would have to include the intermediary black frames).
 

DamonCleeve

Junior Member
Oct 18, 2011
4
0
0
... do you actually need a monitor that's specifically labeled for "nVision 3D" or would any 120Hz DVI-D monitor suffice? My assumption has always been that nVidia handles the actual 3D stuff all on its own and simply sends left-right over and over at the 120 refresh rate.

It's two separate standards.

3D Vision is it's own ecosystem; you need 3D Vision glasses and a 3D Vision emitter; the monitors are made by various manufacturers but they're all 3D Vision certified. Some 3D Vision monitors actually have the emitter built in.

As for AMD's HD3D, there's no certification per-se. You just need a Radeon 5000/6000 card with DisplayPort output. The monitor or television must have it's own ecosystem, that is to say emitter and glasses standard, and HD3D simply works with it. You'll also need a middleware stsreoscopic driver like iZ3D or triDef, except in very rare cases where the game has native HD3D support (Deus Ex: Human Revolution, DiRT 3, and Battlefield 3 are the only games that support HD3D natively so far)

On some 3D Vision monitors with built-in emitters, HD3D will work over HDMI, but then you'll suffer from that miserable 24 Hz limitation. 3D Vision/3DTV play will work on the samsung monitors over HDMI, too.

.While skimming over the article, all I could think about is why Samsung didn't include 3D Vision support.

That would be awesome, but Nvidia is quite territorial over 3D Vision and doesn't want to validate HD3D. So we have a miserable standard war. I doubt AMD is blameless, either.
 
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SirPauly

Diamond Member
Apr 28, 2009
5,187
1
0
While skimming over the article, all I could think about is why Samsung didn't include 3D Vision support. It appears that AMD's HD3D and nVision 3D both use Frame Alteration when at 120Hz, but in the case of the monitor above, it handles the transition between eyes slightly differently.

But even then... if the Samsung monitor displayed a black screen (for the transition) and the nVision glasses blacked out both eyes, it wouldn't matter. I guess it comes back to my question about whether the monitor does any processing in regard to handling the 3D or does it just display the frames as provided by the GPU (which would have to include the intermediary black frames).

Yeah, but one can tweak 3d vision to work:

http://www.rage3d.com/board/showpost.php?p=1336698926&postcount=3431

http://forums.overclockers.com.au/showthread.php?p=13558952