G-SYNC Vs FREESYNC VS Adaptive-Sync

chaparral · 25 Dec 2014 at 13:44

Can someone here explain what the differences are going be between these three

Nvidia = G-SYNC

AMD = FREESYNC

VESA Open standard = Adaptive-Sync......(VESA has officially added a feature called Adaptive-Sync to the DisplayPort 1.2a specification, which means that a G-Sync-style adaptive refresh mechanism could be built into nearly every new desktop monitor in the coming months and years.)

shankly1985 · 25 Dec 2014 at 13:57

The Difference at this moment we cant say till FreeSync is release and tested. But if we go by what AMD is saying, FreeSync could be the better of the two..

AMD say "Not Me" That Freesync has faster latency because they is no two-way hand-shake between the devices what this mean we will after wait and see..
Freesync also could offer more refresh rate ranges in what the Sync will still perform well. Gsync I think below 30fps you notice the effect decrease.

How is Project FreeSync different from NVIDIA G-Sync?
"There are three key advantages Project FreeSync holds over G-Sync: no licensing fees for adoption, no expensive or proprietary hardware modules, and no communication overhead.
The last benefit is essential to gamers, as Project FreeSync does not need to poll or wait on the display in order to determine when it’s safe to send the next frame to the monitor.
Project FreeSync uses industry-standard DisplayPort Adaptive-Sync protocols to pre-negotiate supported min/max refresh rates during plug’n’play, which means frame presentation to the user will never be delayed or impaired by time-consuming two-way handshakes."

that's all we have to go by for now. And Adaptive-sync is amd Freesync.

Martini1991 · 25 Dec 2014 at 14:01

It's an optional part of the VESA standard.

There's one monitor at the moment on OCUK that's been "upgraded" vendor side with the scaler for Adaptive Sync, which means AMD can use Freesync with it. Although it still needs a Firmware update (Needs sending to the Manufacturer). That 4k from Ilyama or whatever they're called. But you couldn't just walk out with it now and run Freesync on it.

Orangey · 25 Dec 2014 at 14:03

gsync - proprietary solution, all designs go through nvidia, refers to both hardware implementation and driver implementation
async - VESA standard to accomplish same thing on other panels
freesync - AMD's driver implementation, monitor makers use async standard to roll their own hardware implementation

Hope that's concise enough for ya

Martini1991 · 25 Dec 2014 at 14:04

Freesync itself could be considered proprietary to be honest.

Orangey · 25 Dec 2014 at 14:07

Proprietary is not a dirty word, there's no sniping in my explanation!

Martini1991 · 25 Dec 2014 at 14:09

Orangey said:
Proprietary is not a dirty word, there's no sniping in my explanation!

Why call one prop but not the other?

I don't think prop is a dirty word, but if you're going to use it for one, you'd use it for the other, since that's what it is.
Also, what's with the defensive rage

shankly1985 · 25 Dec 2014 at 14:11

Amd say otherwise..

Orangey · 25 Dec 2014 at 14:12

Doesn't really make sense as of course drivers are proprietary...

chaparral · 25 Dec 2014 at 14:12

shankly1985 said:
And Adaptive-sync is amd Freesync.

But aren't AMD making out that Freesysnc is meant to be there own special thing.... :confused:

Now it Sounds more like AMD just trying to steal the credit from VESA Adding Adaptive-sync to the DisplayPort 1.2a specification...

Rusty0611 · 25 Dec 2014 at 14:14

It's not so much that - more AMDs way of enabling the technology. Freesync is AMDs proprietary solution to utilise Adaptive Sync. Gsync is nVidia's all in one solution.

Orangey · 25 Dec 2014 at 14:15

From what I understand AMD asked VESA to add it.

Martini1991 · 25 Dec 2014 at 14:15

shankly1985 said:
Amd say otherwise..

You don't think Freesync is prop? How foolish.

shankly1985 · 25 Dec 2014 at 14:16

chaparral said:
But aren't AMD making out that Freesysnc is meant to be there own special thing....

Now it Sounds more like AMD just trying to steal the credit from VESA Adding Adaptive-sync to the DisplayPort 1.2a specification...

No Freesync is AMDs drivers, Adaptive-Sync is part of the display port.

Orangey · 25 Dec 2014 at 14:16

Rusty0611 said:
It's not so much that - more AMDs way of enabling the technology. Freesync is AMDs proprietary solution to utilise Adaptive Sync. Gsync is nVidia's all in one solution.

Calling freesync proprietary but not gsync eh? Rabble rouser!

Martini1991 · 25 Dec 2014 at 14:16

Orangey said:
From what I understand AMD asked VESA to add it.

Indeed, as an optional standard.
Nvidia are free to make their own implementation of utilising that standard.

Rusty0611 · 25 Dec 2014 at 14:17

Orangey said:
Calling freesync proprietary but not gsync eh? Rabble rouser!

Well Gsync is obviously proprietary. It is nVidia after all

.

shankly1985 · 25 Dec 2014 at 14:17

Martini1991 said:
You don't think Freesync is prop? How foolish.

Adaptive-Sync isn't.. Anyone can write a driver and use it.

Martini1991 · 25 Dec 2014 at 14:17

shankly1985 said:
Adaptive-Sync isn't.. Anyone can write a driver and use it.

Yes? And that's not what I said.
I'm well aware Adaptive Sync isn't.
I use my words carefully and explicitly.

Although I wish people would stop saying "Write a driver". They can't just "Write a driver" there needs to be hardware support there first lol.

chaparral · 25 Dec 2014 at 14:19

Is there any known reason why Adaptive-sync did not get added to the HDMI version 2.0 specification ?

Why DP only