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My GSYNC experiences

shankly1985 said:
Yeah that great enjoy seems Nvidia could have real winner here. Am still hanging on the fence though I think I would have to try it first.
AMD are also coming with something called FreeSync I be buying a new monitor soon once I see 1440p 120hz display so might hang in there to see how freesync comes along.
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Aye AMD's freesync could be rather interesting. The gsync module in the back of my monitor is massive (seriously massive) and replaces all of the monitors inputs to a sole displayport. It'll be interesting to see how freesync works as nvidias method is pure hardware it seems.
 
The fact it's a hardware solution kind of insinuates it can't all be as simple as AMD seemed to make it out to be with freesync.

I'm looking forward to Freesync, and hope AMD can work with Manu's to push it to current screens.

My Asus 29" 2560x1080 for example, I'd be peeved if that doesn't get support.


James J said:
I welcome it as its important to give people choice :)
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You missed the joke, Freesync doesn't "exist" :p
 
Martini1991 said:
The fact it's a hardware solution kind of insinuates it can't all be as simple as AMD seemed to make it out to be with freesync.

I'm looking forward to Freesync, and hope AMD can work with Manu's to push it to current screens.

My Asus 29" 2560x1080 for example, I'd be peeved if that doesn't get support.
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AMD's method from what I believe as been around for years in Laptops hence the reason they showed it on a Laptop.
 
shankly1985 said:
AMD's method from what I believe as been around for years in Laptops hence the reason they showed it on a Laptop.
Click to expand...

It's not really AMD's method as such, and wasn't it a power usage feature on laptops?

At least if my 29" doesn't work, I can always use Steam Streaming with it on the Ultrabook :p
We'll see where "Freesync" goes, but so far it's been noise, just like Asus's 1440p Gsync monitor :p
 
Yep it was using variable vblank intended for power reduction, not strictly AMDs method. Was already a proposed VESA inclusion for quite some time before GSync came along, but GSync probably helped push it's inclusion (assuming it's included, I'll take your guys word for it) and made AMD think of using vblank in that way.

I've not been keeping up to date in the slightest to be honest, the idea sounds nice but I've got two monitors and I'm not looking to replace either any time soon so I suspect both GSync & FreeSync are out for me as I doubt my existing panels support variable vblank. Hope they are both great, means one day I'll get to use them... but not likely for a good few years yet for me.

Historically games used to use the vblank interval fro drawing but it made writing the games harder. Being able to vary the blank means the game doesn't have to think about it, so should be easier.
 
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Freesync is a long long long way away for monitors and VESA approval means nothing (current dp supports variable refresh anyway) It would a good thing if they pulled it out at no extra cost, but its still early days and it will only get better as it becomes more common.
 
Here another point of view. If AMD do get Freesync into new monitor's or a firmware update to current displays.
Who to say Nvidia users couldn't also use it? say its just as good as Gsync but cost you nothing would you still have hate towards it then? I guessed not

So if I was you I would want AMD to bring this into the light it could very well save you a lot of money.

My2cents
 
James J said:
Right, just played through the first level of crysis 3 on max everything with 8x MSAA and its smooth as silk. No hiccups, stutter or tearing at all and my framerate was taking a bashing, especially when moving from outdoor to indoor areas + explosion effects. MSI afterburner telling me the fps has changed, plus the difference coil whine noise I have from my pc, are the only two indicators that I've actually "slowed". In reality though, still plays like its framerate capped, just without tearing and stuttering.

BF4 is exactly the same as using no scaling also. Very similar experience to Crysis 3 actually. The thing I will comment on with both is that enabling vsync in game provides a very noticable lag, whilst having it off and gsync enabled in the CP has absolutely none. Can see why they choose this panel for the first "test" with it.



I'll try that next. I'm only up to a pub fight part (barely played it) so am rather limited in where I can go at the moment on that.
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A thousand times sold :D

Could you tell me the vram usage at 200% (4k) scaling? As I could maintain 40+ fps but hit the vram wall quite hard which gave stutter, so wondering if the monitor now managing frame output has removed vram limitations somewhat :)

Also if you get chance can you take some in game recordings (100% scale) with the perfoverlay.framefilelogenable 1 command? Interested to see how its managing frame times is all (add me on steam/origin/BL if you need some pointers on setting it up!)

@Shanks, input lag can only be reduced as far as the panel is capable, never eliminated :)
 
shankly1985 said:
I asked genuine question because Gsync or FreeSync is something I would like to try.
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shankly1985 said:
I believe it now is wasn't something posted on here other week. I dont follow all this sync stuff tbh its never interested me.
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lol :D:D:D

Anyway, you James, are a Legend. I have been hoping a user on here would buy one and give honest feedback and that you have done. A very decent review and good that you point out the bad as well. You are slightly making me regret jumping on a 4K, as I have no more funds available for the G-Sync swift that is "Coming soon" and that was where I was looking.

Thanks for taking the time to do this. How does Bioshock look if you have it and don't mind testing please. That has been one of the worst games for tearing for me, so very interested how that runs.
 
Gregster said:
lol :D:D:D

Anyway, you James, are a Legend. I have been hoping a user on here would buy one and give honest feedback and that you have done. A very decent review and good that you point out the bad as well. You are slightly making me regret jumping on a 4K, as I have no more funds available for the G-Sync swift that is "Coming soon" and that was where I was looking.

Thanks for taking the time to do this. How does Bioshock look if you have it and don't mind testing please. That has been one of the worst games for tearing for me, so very interested how that runs.
Click to expand...

Care to add more towards them faces? what is it that makes you laugh at them posts? :rolleyes:
 
pgi947 said:
A thousand times sold :D

Could you tell me the vram usage at 200% (4k) scaling? As I could maintain 40+ fps but hit the vram wall quite hard which gave stutter, so wondering if the monitor now managing frame output has removed vram limitations somewhat :)

Also if you get chance can you take some in game recordings (100% scale) with the perfoverlay.framefilelogenable 1 command? Interested to see how its managing frame times is all (add me on steam/origin/BL if you need some pointers on setting it up!)

@shanks, input lag can only be reduced as far as the panel is capable, never eliminated :)
Click to expand...

Just tried that for you on a 64 player metro server on BF4, using 200% res scale on ultra (still with 4x aa to hit the vram limit instantly). Framerate shifted between 35 and 63, with the average around the 42 mark.

With gsync on, there was still some stuttering, but its probably more down the cpu than the gpu based on these readings:

Code: 
Frame time	 CPU frame	 GPU frame
17.02	7.58	30.37
17.02	26.02	30.37
21.32	7.82	33.13
21.18	26.24	29.97
16.73	7.92	29.36
16.73	26.2	29.36
17.19	7.91	30.2
17.19	26.28	30.2
16.92	8.05	30
16.92	27.19	30
16.88	6.59	31.43
17.24	27.56	30.48
17.43	5.91	32.4
17.55	28.4	30.66
17.25	5.78	30.19
17.1	28.75	30.86
17.23	5.79	32.68
16.98	29.54	30.17

Gsync off however was horrendous and wasn't playable if I'm honest. I took the 4x aa off and kept the 200% res scale, gained about 15 more min fps, yet it still wasn't as smooth as I'd want if I'm honest. The difference between having free vram with gsync and not having the free vram is very different, so bottlenecking the graphics hardware in terms of vram won't do gsync any favours.

Frame times for 100% scaling at 150 fps average btw for comparison with same layout (same file):

Code: 
7.2	5	7.96
7.83	6.82	10.95
7.04	6.82	8.2
5.99	6.82	10.53
6.71	6.82	7.86
6.71	5.56	7.86
7.26	6.66	8.3
7.26	7.66	8.3
6.76	6.66	7.86
6.76	7.68	7.86
7.16	5	7.83
7.16	9.06	7.83
7.21	6.67	8.59
7.21	6.67	8.59
7.08	6.68	8.33
7.08	7.46	8.33
6.53	6.58	7.63
6.53	8.09	7.63
7.16	6.58	7.48
7.16	6.43	7.48
7.14	6.58	7.9
7.14	7.66	7.9
6.67	6.58	7.43
6.67	8.73	7.43
7.14	5	7.73
7.14	7.79	7.73
7.39	6.03	7.73

Unsure of exact vram usage sadly as my afterburner decided to have a hissy fit. I've done some shadowplay recording of it though which I'll have a look at now to see if you can see a difference or not.
 
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