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Benq XL2420G gsync - Page 2

post #11 of 24
Alright thanks for your input Falken and the suggestion with the panel replace. I will definitely ask the guy nicely if they can replace the panel then, because the guy who im communicating with is rather friendly and seems helpful.

It would be actually pretty dope if they could replace the panel, and the new panel doesnt have the issue, because other than the inversed pixel artefacts, Im very happy with the monitor. The colors look way better than they did on the XL2420TE and XL2411T that I had, which basically were only calibrated properly for 60 Hz mode and had washed out colors at higher refresh rates (120/144 hz).

So yeah the XL2420G is a beast of a monitor if it wasnt about that. You get to try both worlds- Nvidias Gsync and their own ULMB motion blur reduction and the BenQs own.

The positive thing Ive noticed in Gsync mode- the Overdrive is way more balanced than in the "classic" mode with BenQ's overdrive AMA = high. There is no visible ghosting when using the Display Port, which is completely handled by the Gsync Module, the Downside though is that you cant change the Overdrive, like you can with AMA high and premium, but its not even required, as I would allways prefer a Ghosting-free image to faster response times with some heavy ghosting.

Because of that good Overdrive balance via Gsync Module, the ULMB mode at 120hz seems to be better out of the box than BenQ Blur Reduction (without any tweaks). So again, the xl2420g is pretty beast of a monitor because you get to try both worlds with their proprietary advantages.

Yes Im also glad that there is a company like BenQ that offer so many options with the blur reduction. Although I think the userbase that really tinker around with custom blur reduction settings is rather small, but its never bad to have the options. I think the majority will just benefit from Gsync more than Blur Reduction, which cant be combined right now, thats why most companies just offer some default Blur Reduction presets and it should be enough for the majority of gamers.

Plus the visible advantage of blur reduction is limited to few fastpaced fps/fighting games and sidescrolling games. The motion in most other games is simply not fast enough for a big visible difference with Blur Reduction.

Again if they can replace the panel and somehow get rid of the inversion issues, I think Id keep that monitor for consoles to play COD/Battlefield on PS4 and maybe SF5 with Blur Reduction etc. Its definitely a beast a** monitor. Only thing that might be better is having real buttons instead of touch buttons (because in Gsync mode the S-Switch doesnt work), but thats not that big of a deal.
post #12 of 24
Ok so Ive tested single strobe mode on consoles (PS4 and Black Ops 3 game) for a little.

My conclusion is that- yes you can notice a difference when you continuously move left or right for example. The objects like signs/graffiti on the walls and basically everything will look more sharp.

The biggest problem however wasnt the crosstalk and/or ghosting or even the brightness. The main problem is really the flicker, when using single strobe @ 60hz. Thats basically why BenQ hides the single strobe mode @ frequencies lower than 100hz or so. There is simply a big ammount of flickering, some might be less bothered by it, some more. The thing however is that it will fatigue your eyes, even if you dont directly notice it, because its similar flickering as 60hz CRT monitors.

I could see it very clearly and it was very uncomfy image to look at even in games. YOu notice it really well, when you enable/disable blur reduction on the fly.

So after all, I will not be using the Blur Reduction in COD on consoles or any other game @ 60 Hz, as the flickering level really bothers me and makes an upleasant image to watch at for me.

Again there will be some exceptions, ppl who dont really mind it, but technically there is some heavy ammount of flicker, which pretty much everyone confirms (BenQ themselves, Chief Blurbuster etc.). So keep that in mind if you wanna buy a BenQ monitor to use the Blur Reduction mode for consoles, most of the time it wont be worth it.

As to the double strobe at 60hz- it really isnt worth it as well, it creates a double image, which is very noticable and disturbing. The enemy models will basically have a double-image behind them at all times and everything else will have that double-image too. It looks like a 3-D effect in a cinema or on a TV if you put down the glasses.

So my conclusion- the blur reduction techniques for 60Hz on PC monitors that we have right now arent suited for the biggest majority of gamers and games. It is possible that with OLED it can be improved in some ways at 60hz, but untill then its not worth it for 9,5 out of 10 gamers.
post #13 of 24
Update- I bought the XL2430T hoping that it doesnt have inversed pixels, turns out it has the same inversed pixels (checkerboard pattern) visible in games PLUS it has faint vertical lines on top of that, which the XL2420G doesnt actually have.

Tested the XL2430T both at 144hz and 120hz, bot show inversed pixel pattern.

Additionally, the XL2430T has WAY worse color calibration at 144hz. It has basically the same washed out colors and wrong gamma at higher refresh rates as XL2420T/TE or XL2411T and most likely XL2420Z and XL2411Z. The XL2420G is much better in terms of contrast, gamma and overall calibration at 144hz. Its a huge difference.

If someone plans to buy a BenQ for fast paced gaming for whatever reasons, and you can afford the XL2420G instead of XL2430T, buy the Gsync version. Although I would clearly recommend buying the Dell 27" gsync, instead of the XL2420G...

As a sidenote- beeing able to compare both, the addition of gsync is a very noticable improvement. Without gsync I was noticing stutter even in games that have no problems running at 140+ Hz like Dota 2. The camera panning has visible occasional stutters at 144hz and 144 fps. With gsync its not the case.

I actually assumed that the XL2430T will have the same color calibration quality as the XL2430T, minus the inversed pixels that my XL2420G has, since they came out at the same time approx., but its definitely not the case. Colors are much worse on the XL2430T.

Thats why Im sending back the XL2430T and will keep the XL2420G for a while, untill I can order the Dell and try both and decide between these 2.

After all it seems like replacing the Panel on the XL2420G wont solve the pixel inversion issue. Apparently, BenQ is using some electronics which cause the screendoor effect artifacts and in some cases faint horizontal lines when there is motion on the screen.

Ill test the Dell and update in the proper thread whether or not it has inversed pixels in motion like the BenQs or not.
Edited by Stars - 11/9/15 at 7:58am
post #14 of 24
The panel has to warm up for an hour before the gamma settles down. The VG248QE has the same issue. Horribly washed out at 120/144hz when cold. I looked at the datasheet for that panel and the service sheet said the panel needs to be running 1 hour before any color calibrations are made.

Both my VG248QE's act like that. Funny enough the XL2720Z is spot on even after having been powered off all night...60hz-144hz---exact same gamma...(even though that's a M270HTN01.0 panel)
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post #15 of 24
@Falken- I think what they claim is BS, especially because the XL2420G has exactly the same panel as the XL2430T, and its colors + gamma are leaps and bounds better from the second you turn on the monitor.

I had a VG248QE myself and it indeed had some of the worst washed out colors + gamma at 144hz Ive ever seen on any monitor. Having it on for several hours didnt change anything about the abysmal colors. Another downside to that monitor is that its just impossible to calibrate it properly, no matter what you try.

I then installed the Gsync kit into the 248QE, hoping that the calibration would be better with the Gsync module, but it didnt really change anything, it just made it worse, because the gsync kit just removed 98% of all color settings that the original VG248QE had.

Im just gonna get rid of the BenQs and either buy the 279 or 271 and try to get one without extensive glow and then just keep it until OLED monitors.
post #16 of 24
Quote:
Originally Posted by Stars View Post

@Falken- I think what they claim is BS, especially because the XL2420G has exactly the same panel as the XL2430T, and its colors + gamma are leaps and bounds better from the second you turn on the monitor.

I had a VG248QE myself and it indeed had some of the worst washed out colors + gamma at 144hz Ive ever seen on any monitor. Having it on for several hours didnt change anything about the abysmal colors. Another downside to that monitor is that its just impossible to calibrate it properly, no matter what you try.

I then installed the Gsync kit into the 248QE, hoping that the calibration would be better with the Gsync module, but it didnt really change anything, it just made it worse, because the gsync kit just removed 98% of all color settings that the original VG248QE had.

Im just gonna get rid of the BenQs and either buy the 279 or 271 and try to get one without extensive glow and then just keep it until OLED monitors.

I have a VG248QE with a pretty good 2.2 calibration as well as BT.1886, but i use the former as the image looks a little richer with just a power law 2.2 gamma. I also removed my AG coating so that may have something to do with the monitor looking decent, even without a calibration when i first powered it up w/o the AG coating anymore it was a night and day difference. Thick AG coatings really ruin monitors that would have otherwise looked acceptable.
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post #17 of 24
All of the cheap 24" 144hz monitors aside from the LG 24GM77 have awful-to-barely passable colour presets which are unfix-able without calibration; this has been well documented in reviews. The XL2420G is much better than the other BenQ's, but it also costs twice as much and needs to have a few settings changed to perform well, and it's still worse than the AOC G2460PG, BenQ XL2720Z and LG 24GM77.
Edited by MenacingTuba - 11/11/15 at 2:28am
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post #18 of 24
@Malinkadink- absolutely agree that some coatings totally ruin the image, however I didnt want to do it, because you can very easily ruin a monitor, plus even if you manage to do it without issues, it then requires some extra handling.

Quote:
Originally Posted by MenacingTuba View Post

All of the cheap 24" 144hz monitors aside from the LG 24GM77 have awful-to-barely passable colour presets which are unfix-able without calibration; this has been well documented in reviews. The XL2420G is much better than the other BenQ's, but it also costs twice as much and needs to have a few settings changed to perform well, but it's still worse than the AOC G2460PG, BenQ XL2720Z and LG 24GM77.

Im a morron, because I had the LG 24GM77 here, which was great- it has a light AG coating compared to the other 24" 144Hz TNs and the colors actually looked decent. But most importantly, I dont remember noticing pixel inversion on it. In fact I think it didnt have any pixel inversion, because if it did, I woulda noticed it 100%.

However I would say the XL2420G has just as good colors and overall calibration at 144hz as the LG, except- with its think and aggressive AG coating on the BenQ XL2420G, LG still looks alot better than the BenQ.

The XL2430T on the other hand has abysmal colors in 144 Hz mode, it cant even remotely compete with the LG and XL2420G.

I sold the LG in preparation for the PG279Q, which I didnt expect it to have so many issues as the one that I got had. I then did send back the PG279Q and bought a used XL2420G, which is actually OK aside of the pixel inversion and abysmal AG coating. I also like that S-Switch for fast profile switching. I think with a better AG coating (or completely removed coating) and without pixel inversion, it would be a pretty bad a** monitor.

Edit: oh yeah now I remember- the LG had some noticable faint horizontal lines at 144hz IF the DAS mode was disabled, if you enabled the DAS mode- it fixed the horizontal lines and didnt have any other pixel inversion artefacts etc.
Edited by Stars - 11/10/15 at 1:02pm
post #19 of 24
Good thing i looked into this topic because i was planning to buy XL2430T or even XL2420G.
I will go with LG 24GM77 for competitive gaming then. It really seems like the best deal for its price - performance gain.

But here it's so hard to get hands on it since LG discontinued it's production recently.
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post #20 of 24
XL2720Z is also a very good choice that people are overlooking.

Unlike the other Benqs (the XL2730Z apparently has this option as well but people have trouble getting it to work, someone got it toggled on once then couldn't do it again), it has an AMA low overdrive mode which improves ghosting level so it isn't so overly aggressive (but this can only be used in combination with blur reduction).
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