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My GSYNC experiences

Soldato
Joined
4 Dec 2002
Posts
14,520
Location
North Lincolnshire
Hi all,

I recently received an asus VG248QE monitor with the gsync module this morning and thought I'd share my experiences with you.

Firstly, I thought the monitor was faulty as the DP cable that comes with it (nvidia branded) was interfering with the gsync module, causing what looked like a memory error (when a gpu is dying) on the left hand side of the screen and menu. Rectified this with a spare DP cable I had lying around, so no issues now.

When I connected the monitor, the nvidia driver immediately recognised it as a gsync enabled monitor and automatically applied it. The vsync tab at the bottom of the 3d settings menu in the nvidia control panel now reads "GSYNC" and is listed as NV recommended. I was warned that if I was to use it with other displays, this would have to be the primary monitor for GSYNC to work with none gsync monitors, although they'd only have normal vsync displayed on them, so a bit of a "logical" yet "non issue".

First game I loaded up was diablo 3, which doesn't work with adaptive vsync at all. GSYNC works, but only with the frame limiter option. If you enable vsync on diablo 3 with gsync enabled, the fps locks to 9...

However, having said that. Locking the FPS to 144 (same fps as the refresh rate), its buttery smooth. Theres absolutely no lag, ghosting or tearing. Theres a really weird sense of motion that I'm just not use to, which is probably because I've always played with vsync enabled, which causes a slight stutter depending on the buffers used (2 or 3 step stutters, look on youtube for some high speed footage to understand it if you aren't sure what I mean).

Second game I tried was Titanfall and my word, its like night and day. The motion is beautifully smooth, absolutely no tearing or stuttering and you can never detect frame rate dips, regardless of how much it fluctuates. The very low latency and lack of ghosting means that you can read players names even when turning extremely quickly, which is definitely something I'm not use to since using LCDs! The level of immersion that gsync offers on this game is truly staggering!

Third game, Battlefield 4. Went on a 64 player server on TDM, ultra everything as usual and had a very similar experience to Titanfall. The frostbite engines animations are extremely fluid when using gsync and the level of immersion is crazy. The only weird thing I noticed is that the pixel crawl effect in the menu is far more noticable on this monitor than it was on my iiyamma 1440p one. Its probably just the difference in resolution, instead of a gsync specific thing, but worth noting. As ever though, the awful netcode on BF4 didn't exactly make it a fun experience, even though the graphics are the smoothest running experience I've ever seen, but thats for another topic.

Not sure I can actually capture the difference in gsync on and off scenarios with my 5D mk iii camera, but I'll have a go at the weekend!

Anyone want me to try any other specific games out with it and see how its affected, if at all?

EDIT:

After trying various games and pushing the extremes of the tech to expose potential flaws, I'll do a pros and cons list for clarity:

PROS
-absolutely no tearing, regardless of framerate (even when your FPS is over your refresh rate by a long way)
-stuttering compared to vsync on is like night and day in terms of improvement
-input lag GREATLY reduced compared to vsync on and the same, if not slightly more fluid, than vsync off
-game immersion due to how nice the picture is really is game changing for me. I don't say this lightly either, but when a game has proper animations that haven't been altered to account for vsync induced lag, theres a big difference in quality. Fast movement that normally causes blur is also massively reduced. Text is completely readable (so gamer tags etc) when moving quickly on the screen, which is a bonus!
-doesn't even require setting up as the driver does it all for you, including changing the settings in the nvidia cp automatically.
-best of both worlds, with a better image quality than vsync on with the input lag of vsync off, with the bonus of zero tearing
-disgustingly good for competitive games, especially FPS

CONS
-expensive, taking a ~£250 monitor and making it £450 isn't cheap
-displayport only. The gsync pcb replaces all monitor inputs and even the audio, meaning that monitors with speakers inbuilt will no longer work properly in regards to sound and you won't be able to plug your games console into the monitor due to a lack of HDMI/dvi etc.
-very limited choice at the moment, with one monitor being on the market at the moment (its excellent though, but still, just the one!) and the DIY kits are like unicorn faeces when trying to find them, then comes the warranty situation if you DIY...
-some games just don't see all the benefits, with assassins creed black flag still having stutter, regardless of gsync on/off. Might be something else on my PC as my opinion on this specific game clashes with reviewers especially, however its what I've experienced so worth noting.
-if you go under 35 FPS, the gsync is forced to replicate the previous frame, creating a stutter unique to the technology. I've experienced this on BF4 using 200% res scaling with ultra settings (including AA). Its very hard to describe what it looks like, but its very disorientating. This forces you to buy a GPU setup that is powerful enough to always remain above 35fps, which for most gamers, isn't too much of an issue, but worth pointing out.
 
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Sounds epic!!!

Can you try a really heavy game like crysis 3 maxed out?

Edit: or maybe bf4 with red scaling at 200%?

What hardware are you using?
 
Brilliant, very similar setup to mine (780's not ti's) so look forward to your results.

If crysis 3 fells smooth while frame rates are taking a kickin' its massive proof it does what it says on the tin and does it well :)
 
This sounds impressive and it MIGHT lean me towards nVidia for my next round of gpu upgrade (at some point 2015). Certainly seems to have huge potential although I am hoping GSYNC enabled displays do not hold to much of a premium over their non GSYNC counterparts.
 
What does Gsync bring to the table for someone like myself who never uses Vsync?

Is they any benefit over none sync apart from screen tear is completely gone? on 120hz I find screen tear to be almost gone its still there but I must really look for it.

The problem I think with Gsync or Freesync or Vsync is trying to get people to use it. So meny gamers dont use sync and will stay well away from it. Look Competitive CSGO players they want 300fps no stop so vsync is well out the question.
Is it also true Gsync dont completely remove input lag either?
 
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input lag can never be completely eliminated and gsync benefits been explained before but amd fans pipe up with tings like "but i dont see tearing" "my current monitor already perfect, no input lag, no tearing, no stuttering, nvidia pointless tech"
 
input lag can never be completely eliminated and gsync benefits been explained before but amd fans pipe up with tings like "but i dont see tearing" "my current monitor already perfect, no input lag, no tearing, no stuttering, nvidia pointless tech"

That all pointed at me?

Like I said 120hz dont completely remove screen tear, But I can tell you unless I dont look for it I dont see it. I play games like CSGO running frame rate at 300fps and get no screen tear that is noticeable unless I start looking for it.

I asked genuine question because Gsync or FreeSync is something I would like to try.
 
What does Gsync bring to the table for someone like myself who never uses Vsync?

Is they any benefit over none sync apart from screen tear is completely gone? on 120hz I fine screen tear to be almost gone its still there but I must really look for it.

The problem I think with Gsync or Freesync or Vsync is trying to get people to use it. So meny gamers dont use sync and will stay well away from it. Look Competitive CSGO players they want 300fps no stop so vsync is well out the question.
Is it also true Gsync dont completely remove input lag either?

It will provide a better/smoother user experience on more demanding games - so what's the negative? It's not aimed at 10 year old game engines.

The recommended CS go settings on the benq's are comparable to spraying bleach into my eyes.

Also with screen tearing, some notice is more, some don't give a ratsarse about it, some it makes games completely unplayable and triggers migraines - if this can be implemented without a massive cost then this is an excellent new addition
 
It will provide a better/smoother user experience on more demanding games - so what's the negative? It's not aimed at 10 year old game engines.

The recommended CS go settings on the benq's are comparable to spraying bleach into my eyes.

Also with screen tearing, some notice is more, some don't give a ratsarse about it, some it makes games completely unplayable and triggers migraines - if this can be implemented without a massive cost then this is an excellent new addition

Yeah if anyone uses a BenQ stay well away from preset modes thats for sure lol
Yeah screen tear is a hot topic and it sure is user based how much they effected. I played games for years without sync so maybe I just used to it and dont notice it at all.
BF4 and Mantle on the other hand I dont see it at all "See Gameplay"

Can you see screen tear? I have looked and it dont seem to be there lol
https://www.youtube.com/watch?v=n0ODdPlLHOI
 
Sounds epic!!!

Can you try a really heavy game like crysis 3 maxed out?

Edit: or maybe bf4 with red scaling at 200%?

What hardware are you using?

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.

Sounds great, very tempted to get a G-Sync monitor now.

Could you try out Assassin's Creed Black Flag maybe? :)

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.
 
Yeah if anyone uses a BenQ stay well away from preset modes thats for sure lol
Yeah screen tear is a hot topic and it sure is user based how much they effected. I played games for years without sync so maybe I just used to it and dont notice it at all.
BF4 and Mantle on the other hand I dont see it at all "See Gameplay"

Can you see screen tear? I have looked and it dont seem to be there lol
https://www.youtube.com/watch?v=n0ODdPlLHOI

Using a mobile phone to capture the footage makes it look blurry and a stutter fest from watching that. I read why you had to use that though so sadly it's hard to make a proper comparison, but I definitely think you'd see a difference if you had a play with a gsync set up. Its very hard to describe what its like in games as they honestly feel so different.
 
Thanks for the insight James j ;)

most of what you say tho is how i felt going from a 60Hz monitor to my 144Hz monitor so for me it's hard to read into what the Gsync is offering over and above 120/144Hz??

thanks for your time writing this.
 
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