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Old 12-10-2012, 05:10 PM   #1
THE Nakedgun
 
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BenQ XL2411T

Anyone have one of these BenQ XL2411T monitors? I am seriously thinking about buying one in the next few days.
Never had a 120Hz monitor does it help with vsync input lag?

Any help or opinions experinces would be great.
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Old 12-11-2012, 11:13 AM   #2
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There's a very in-depth review of that monitor published recently here. Mine is hopefully arriving next week, so if you'd like I can post my impressions about it, from the point of view of a 60+Hz virgin as you are.

It's cheaper than BenQ's previous model (the XL2420T, which is famous for being a professional FPS gamer's first choice monitor), plus it's actually 144Hz capable (advertised as 120Hz probably to gain more Google search hits).

I do plan to use it mostly on CS:S and CS:GO, though I have a library of older games I would like to try out that are guaranteed to run at 120+ fps, and I would love to play them at 120-144Hz! Input lag should be reduced even with V-sync on, since there are more 'slots' per unit time for each rendered frame to output to. At 60Hz, the maximum additional lag caused by v-sync (double buffered) would be 16.67 ms; at 120Hz it would be 8.33 ms, and at 144Hz it would be 6.94 ms I believe.
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Old 12-11-2012, 11:15 AM   #3
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I've got the very similar XL2420T. You can really notice a difference when you go from 60fps to 120fps, even on a game like Dota 2.
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Old 12-11-2012, 04:58 PM   #4
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Originally Posted by Fish-E View Post
I've got the very similar XL2420T. You can really notice a difference when you go from 60fps to 120fps, even on a game like Dota 2.
would 120 hz even help if your fps is nowhere near 120 fps?
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Old 12-12-2012, 06:40 AM   #5
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No, it wouldn't help at all, but it would still enable 3D for the game.
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Old 12-12-2012, 07:59 AM   #6
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No, it wouldn't help at all, but it would still enable 3D for the game.
Not true.

Just because you're not at 120 FPS doesn't mean you wouldn't notice the difference between 60hz and 120hz. At 120hz the image frames on the screen are still refreshing twice as fast as they would on a 60hz, so you'd still be seeing the benefits of the 120hz.
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Old 12-15-2012, 12:17 PM   #7
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I bought the BenQ today and holy wow!
It is leaps and bounds above my previous monitors in terms of performance running HL2 at 144Hz with vsync on is silky smooth and has virtually no input lag.

I just need to fiddle with the colour contras and brightness settings becuase the defaults are rubbish.
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Old 12-15-2012, 12:21 PM   #8
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Not true.

Just because you're not at 120 FPS doesn't mean you wouldn't notice the difference between 60hz and 120hz. At 120hz the image frames on the screen are still refreshing twice as fast as they would on a 60hz, so you'd still be seeing the benefits of the 120hz.
But if the refreshed frame has not changed since the last one, what's the benefit?
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Old 12-15-2012, 01:20 PM   #9
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But if the refreshed frame has not changed since the last one, what's the benefit?
Since LCD manufacturers tend to reduce pixel response times along with increasing refresh rates, there would be less 'motion blur' in 120Hz displays caused by slower response times compared to typical 60Hz displays - obviously there are fast response time 60Hz displays out there too. Other than that, I can't see any other benefit from having a 120Hz monitor for 60 fps or lower.

Then again if I were getting consistently below 60 fps I'd turn my graphics settings down... or buy a new PC.


Quote:
Originally Posted by THE Nakedgun View Post
I bought the BenQ today and holy wow!
It is leaps and bounds above my previous monitors in terms of performance running HL2 at 144Hz with vsync on is silky smooth and has virtually no input lag.

I just need to fiddle with the colour contras and brightness settings becuase the defaults are rubbish.
I have mine too though embarrassingly I discovered that my computer only had a single-link DVI port, so still only 60Hz at the moment. Though if the world doesn't end I'll likely celebrate by buying a new PC in January!
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Old 12-15-2012, 02:06 PM   #10
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But if the refreshed frame has not changed since the last one, what's the benefit?
Tearing is less noticeable.

In a nutshell, what's the difference between this and the XL2420T?

Last edited by Vonje: 12-15-2012 at 02:08 PM.
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Old 12-15-2012, 02:23 PM   #11
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Originally Posted by Vonje View Post
Tearing is less noticeable.

In a nutshell, what's the difference between this and the XL2420T?
Ah yes less tearing of course, thanks!

XL2411T is capable of up to 144Hz, does not have the S-Switch device, is based on the XL2410T's design, doesn't support display port, and has improved overdrive artifacts over the XL2420T.
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Old 12-15-2012, 02:33 PM   #12
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I used this site to setup my colours and contrst etc.

http://pcmonitors.info/reviews/benq-xl2411t
Quote:
Picture Mode= Standard

Brightness= 28 (according to preferences and lighting – this is still rather bright)

Contrast= 50

Gamma= Gamma 5

Color Temperature= User

Red= 100

Green= 96

Blue= 98
Quote:
Originally Posted by Orange Ninja View Post
Since LCD manufacturers tend to reduce pixel response times along with increasing refresh rates, there would be less 'motion blur' in 120Hz displays caused by slower response times compared to typical 60Hz displays - obviously there are fast response time 60Hz displays out there too. Other than that, I can't see any other benefit from having a 120Hz monitor for 60 fps or lower.

Then again if I were getting consistently below 60 fps I'd turn my graphics settings down... or buy a new PC.




I have mine too though embarrassingly I discovered that my computer only had a single-link DVI port, so still only 60Hz at the moment. Though if the world doesn't end I'll likely celebrate by buying a new PC in January!
How old is your video card?

Last edited by THE Nakedgun: 12-15-2012 at 02:36 PM.
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Old 12-15-2012, 03:19 PM   #13
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Originally Posted by Orange Ninja View Post
doesn't support display port
A shame, I hope they make a variant of the 20TX with the new features of this one.
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Old 12-16-2012, 01:09 PM   #14
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Originally Posted by THE Nakedgun View Post
I used this site to setup my colours and contrst etc.

http://pcmonitors.info/reviews/benq-xl2411t

How old is your video card?
Strangely though my video card supports the dual link port, the laptop manufacturers (Clevo) decided that a single link DVI port was good enough.

I had to go with the settings from that review also since I don't have £150 to spend on a colorimeter. Even with brightness set at 30% it has far richer colours and is way brighter than my laptop's screen.

Quote:
Originally Posted by Vonje View Post
A shame, I hope they make a variant of the 20TX with the new features of this one.
It was actually cheaper than the XL2420T (I guess probably because of the extra ports) which is why I went with it. Hopefully not having display port won't be an issue for at least another few years!
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