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[AnandTech] AMD FreeSync. - Page 29  

post #281 of 388
Quote:
Originally Posted by mcg75 View Post

He meant a reference Ti.

http://hardocp.com/article/2013/12/23/asus_r9_290x_directcu_ii_oc_video_card_review/1#.Us06E1hzZ9A

http://hardocp.com/article/2013/11/07/nvidia_geforce_gtx_780_ti_video_card_review/8#.Us05alhzZ9A

The Asus 290c DCII was able to keep it's clock at 1050 MHz for them.

From the 780 Ti test they did, they stated their Ti averaged a 966 MHz clock speed.

So yes, the cards are indeed close enough to be tied overall.

So go ahead run them at 1200 and 1350 and remove power limits. 1050 isn't the best on 290, but it's way better than 966 on TI
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post #282 of 388
^ Exactly why I don't care that much about these technologies
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post #283 of 388
Quote:
Originally Posted by Durquavian View Post

Unless I read it wrong, 1.3 standard is already made just no t many if any monitors have been verified with the 1.3 standard.

From this, I'm gathering it isn't, and there isn't a time table announced as to when it will be made:
Quote:
Even if the DisplayPort 1.3 standard supports variable refresh rates and controllers that will understand it are coming down the pipe, we don't know when. The standard is set to be ratified some time soon but Koduri believes that the various parties involved are going to be ready with hardware to drop in place right away. I hope he is right, as the mess surrounding support for DisplayPort 1.2 MST hubs to split off display connections from PCs took literal years to be resolved. If that happens again, AMD Radeon users could be without support for variable refresh rates and NVIDIA GeForce users would be eating up G-Sync panels from the shelf.

To me, that sounds like the standard isn't done, because they don't even know if variable refresh rates will be a part of the standard. If it isn't, then the whole "Free Sync" is a moot point.
Edited by 47 Knucklehead - 1/8/14 at 5:07am
post #284 of 388
Yeah your right found it.
Quote:
DP 1.3 is on schedule to be ratified as a standard in the next 60-90 days and from there we'll have some unknown wait time before we begin to see monitors using DP 1.3 technology in them.
post #285 of 388
Quote:
Originally Posted by Durquavian View Post

Not quite. Vsync has no variable framerate control. Freesync (in theory) does have variable framerate control just like g-sync. Their presentation was to show that a fix is already available and at no extra cost to consumers. Technically has been around for years. Now it is a matter of implementing.

Besides if you can in fact run such high and steady frame rates you have no need of V-sync ever. Use DFC or its kin since I gather you don't use AMD GPUs.

I do use DFC or frame rate limiters but my point still stands, case and point.

Tomb Raider if the screen is set to 120hz and you're running 120fps via frame limiting without V-Sync, you still sometimes get stuttering it's just not ideal. If you enable v-sycn on that game, it becomes virtually unplayable with so much lag its as if you're playing a game with software mouse acceleration.

Ideally, frame limiting with G-Sync/Freesync would be the best implementation so that a monitor can adjust for the 1-2 fps fluctuations. Still I see G-Sync and Freesync as different as you're going to be at the mercy at the monitor manufacturer as to what kind of controller the put into their monitors. The G-Sync module is pretty much the best of the best so it'll have less input lag.
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post #286 of 388
Quote:
Originally Posted by Durquavian View Post

Unless I read it wrong, 1.3 standard is already made just no t many if any monitors have been verified with the 1.3 standard.

Some monitors MAY have been developed so that they're compatible with the draft 1.3 standard. As the connectors are the same, it MAY be possible to firmware update them so that they're completely compatible with 1.3.

That said, it is unlikely there will be a lot of them out there, and certainly none of them were designed with freesync in mind.
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post #287 of 388
Quote:
Originally Posted by Artikbot View Post

I guess everyone sees what he/she wants to see, but the general feeling I get from this thread is that AMD is the one being bashed here.

They are both getting bashed. Who is getting the most hate requires identifying each individual poster and there is no point in doing something so anal.
Quote:
Originally Posted by 47 Knucklehead View Post

The newest article says there MIGHT be some.
But odds are, there would be very few, IF they even exist at all, and even then, a new firmware would have to be written, and a new driver for either the nVidia or AMD video card would also have to be written. Then there is the fact that Display Port 1.3 isn't a standard as of yet, and it is unknown when that standard will be made.

It will be a standard when 8k displays are available which is the original reason for version 1.3 is being made.
Edited by mutantmagnet - 1/8/14 at 5:30am
post #288 of 388
Quote:
Originally Posted by Durquavian View Post

Technically AMD and Intel both started this variable refresh rate way back before Nvidia, more of a broad implementation not game specific. So Nvidia copied and if you look hard enough and with enough scrutiny it looks likely that Nvidia took what was to be part of DP 1.3 and rushed a hardware solution to market to capitalize on profit before it was widely accepted.

Just a possibility but does look like it.

^^This^^

Also, it seems like the display controller in Nvidia's current GPUs simply can't support variable refresh intervals, hence the need for an external G-Sync unit, while that is possible with AMD gpu's and triple buffering and a monitor that supports/utilizes vblank.. which people have been doing for a long time, just not realizing that if their monitor supports this vblank then they are essentially getting synchronization which nvidia decided to call "Gsync" and charge for it.

"In AMD's assessment, it's possible to achieve a G-Sync-like animation smoothness with a combination of two techniques: dynamic refresh rates and triple buffering. The exec initially expressed puzzlement over why Nvidia chose to implement them in expensive, external hardware. After all, triple-buffering can be implemented by a game developer in software or even enabled via a software switch in a graphics driver control panel. He said AMD used to have an option to force the use of triple buffering in its driver control panel, in fact, and would be willing to consider bringing it back.

The exec's puzzlement over Nvidia's use of external hardware was resolved when I spoke with him again later in the day. His new theory is that the display controller in Nvidia's current GPUs simply can't support variable refresh intervals, hence the need for an external G-Sync unit. That would explain things. I haven't yet had time to confirm this detail with Nvidia or to quiz them about whether G-Sync essentially does triple-buffering in the module. Nvidia has so far been deliberately vague about certain specifics of how G-Sync works, so we'll need to pry a little in order to better understand the situation."
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post #289 of 388
Anyone have a list of supported monitors?
    
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post #290 of 388
Quote:
Originally Posted by looniam View Post

and BOTh of you need to keep that secret quite!

because nvidia will spend several millions of dollars in R&D that will add a proprietary ingredient, charge a 300% premium and call it NV-40.

then AMD will respond with no marketing or production plan, with promises of further development and call it WD-FREE!

mad.gif

Maybe we could go to nvidia and sell our secret for one hundred billion dollars.
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