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best 144hz monitor for CSGO

post #1 of 8
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I'm wondering about the Acer XB270HU ( because of the input lag) and the benq xl2420t, which one should i go for ?
if you have a better option name it smile.gif
post #2 of 8
XL2420T is obsolete.

The current ones that replaced the XL2420T (XL2420TE in USA) are the XL2420Z or XL2720Z, for built in blur reduction, low input lag (XL2720Z has 3.2ms according to tftcentral)
http://www.tftcentral.co.uk/reviews/benq_xl2720z.htm and lots of scaling features, but neither have freesync. You don't need freesync for CS:GO, anyway.

Some people like the XL2430T (badly named monitor, should be called the XL2430Z) while some have problems getting the colors set well, which are easy to do on the XL2420Z and XL2720Z.

XB270HU is also a very fast monitor, but to use ULMB for CS:Go, you need an Nvidia card as this is a gsync monitor and does not have a hardware scaler. The Benqs will work well on either AMD or Nvidia, but you won't have gsync unless you have an XL2420G hybrid engine monitor.

The freesync equivalent of the XB270HU is the Benq XL2730Z (TN film though), however the XL2730Z can not backlight strobe in sync lower than 120hz (trying to enable it causes extreme stuttering), and CallsignVega said that strobing at 120hz has too much "strobe crosstalk", which can't be reduced like it can on the older Z series (including XL2420G in classic mode and XL2430T/XL2420Z/XL2720Z).

The XB270HU is also expensive and tends to be a panel lottery on if you get a good one or get one with dust or ants behind the polarizer, dead pixels or abnormal bleed issues. The Benq tend to be a safer bet (even though some are also lotteries, at least the QA seems to be better).

I personally recommend the XL2720Z (but I have one, so...)
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post #3 of 8
You do not need an IPS monitor nor do you need 1440p resolution for CSGO. It's not an eye candy type of game so really I would rule out any 1440p/IPS offerings since you would just be paying extra for things you do not really need. Sure they're nice to have but you really just need the fastest, most responsive monitor. The 2720Z is a good recommendation although some say that a 24 inch screen is better for competitive gaming but that's all opinion.
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post #4 of 8
because i also want maximum ingame performance(from myself tongue.gif), i ordered the Acer Predator XB240HAbpr which will arrive today:
- 24"
- 144hz TN-Panel
- G-sync for all the SP Games i held back for G-sync( that i actually wanted to have already two years ago) and haven't touched yet(both Metros, FC3, Crysis 3 - and GTA5 in christmas sale smile.gif)

Until now i used a 1680x1050 monitor, so 1080P will be already an update for me, but i also wouldn't want higher res. than that, because it would require way more expensive graficcards.
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post #5 of 8
Quote:
Originally Posted by MistaSparkul View Post

You do not need an IPS monitor nor do you need 1440p resolution for CSGO. It's not an eye candy type of game so really I would rule out any 1440p/IPS offerings since you would just be paying extra for things you do not really need. Sure they're nice to have but you really just need the fastest, most responsive monitor. The 2720Z is a good recommendation although some say that a 24 inch screen is better for competitive gaming but that's all opinion.

Read this thread.

http://www.overclock.net/t/1580147/xl2720z-v5-firmware-ama-low-blur-reduction-off-trick

With screenshots of PERFECT overdrive, this is the only 144hz non gsync/non freesync panel I can recommend for gaming now, especially CS:go (where people complained about Benq's overdrive issues since the XL2420T days...)

How can you say no to a monitor with PERFECT overdrive rivaling the Foris FG2421's overdrive settings (even if you have to exploit a bug to get them?)
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post #6 of 8
Quote:
Originally Posted by thuNDa View Post

i ordered the Acer Predator XB240HAbpr which will arrive today

yea, just that they sent me the non-gsync version... rolleyes.gif
hopefully saturday.
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post #7 of 8
Quote:
Originally Posted by Falkentyne View Post

Read this thread.

http://www.overclock.net/t/1580147/xl2720z-v5-firmware-ama-low-blur-reduction-off-trick

With screenshots of PERFECT overdrive, this is the only 144hz non gsync/non freesync panel I can recommend for gaming now, especially CS:go (where people complained about Benq's overdrive issues since the XL2420T days...)

How can you say no to a monitor with PERFECT overdrive rivaling the Foris FG2421's overdrive settings (even if you have to exploit a bug to get them?)

Wow. Why can't they do this to all of their other monitors? I think BenQ is capable of making the best gaming monitor seeing how bad Acer and Asus are. If the 2730Z had this magical overdrive, a glossy panel (or at least very very light matte), and gsync I would be all over it.
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post #8 of 8
The problem is that 'perfect' overdrive is a bug in the firmware.
It was never intended to be that way.

The "AMA Low" hidden toggle for motion blur reduction was a feature but was added in silently. In version 2 firmware (and I assume in V1), if you enabled blur reduction and then set AMA to high or premium, it would overwrite the "MBR/high" profile with the "MBR/AMA high" profile. "AMA high" was the normal too aggressive AMA that was used for the typical blur reduction off mode (the same AMA setting that had been used on their older lightboost only T/TE/TX series). So this would make the AMA setting for blur reduction much uglier and would show artifacts almost as intense as TraceFree=100 on asus monitors.

When enabling blur reduction, blur reduction had its own level of AMA that would be set automatically just for it.
We can call that "MBR/high". (or MBR/premium). However people on blurbusters were complaining that adjusting the AMA setting after enabling blur reduction just made things horrible. And blur reduction ALREADY has a too aggressive AMA prebuilt setting as it is, and Benq admitted that it's aggressive so the input lag will be lower (since enabling backlight strobing does raise latency slightly anyway... over one full frame of latency if you use "strobe phase=000" for lowest crosstalk at the bottom of the screen, but less than one frame of latency (just a few milliseconds) if you use strobe phase 100. (note: V1 firmware's default strobe phase was 100 for lowest latency, but it not being adjustable caused people to complain about the crosstalk at the bottom of the screen).

So when V3 firmware rolled along, Benq made some changes (undocumented) for changing AMA after enabling blur reduction, since people were complaining so much on the blurbusters forums.

For the XL2720Z, overwriting the "MBR/High" AMA preset (the default AMA high calibration when you turn on blur reduction with AMA already set to high), with the "MBR/ AMA high" setting (setting AMA to high AFTER enabling blur reduction), made blur reduction use 50% lower AMA than before, which was a very drastic change. V3 firmware was never released into the wild on blur busters forums (although it was on Benq's FTP site, though no one even knew the FTP site existed) so there was no knowledge of it. Although one user who was reviewing the XL2720Z did find out about it because his monitor shipped with V3 firmware (the official changelog for V3 was allowing the low blue light and black equalizer settings to be adjustable in gamer presets, if the original preset allowed it--the MBR / AMA high overwrite was completely silently added without documentation) and made a video mentioning how to enable an "improved" AMA mode.

Then someone dumped V4 firmware and I flashed it and found out about the AMA overwrite myself and then went on a "OMG UPDATE TO V4, new AMA mode!" on this forum and on blurbusters.

However for some reason the 24" Z monitors V3/V4 firmwares didn't lower the blur reduction AMA high setting by 50%, when you set AMA to high after enabling blur reduction. They lowered it only by about 10% (more noticeable at 60hz/single strobe than at 120/144hz). Only the XL2720Z had the ~50% reduction which definitely improved things. The XL2720Z had an AMA premium improvement overwrite also but that was just 10%, like the 24" monitors "MBR / AMA high", which is rather logical.

It's still very puzzling why, since this was undocumented anyway, the 24" monitors don't at least have the 50% improvement available.

Anyway, back to the main point now.

The "Blur reduction off" Profile switch bug is simply a *BUG*.
turning off blur reduction directly causes the AMA to switch back and revert to the old original "far too aggressive" AMA for sample and hold traditional motion blur (which people have hated on Benq monitors for years...they push the AMA hard to get the lowest response time..that's why TFTCentral had a 3.2ms input lag for the Benq XL2720Z on their review...it's 3.2ms because the overdrive circuit is being pushed so hard (thus: inverse ghosting and coronas:)

However, switching from blur reduction on, directly to a preset profile with blur reduction off, avoids the "check" for resetting the AMA value when disabling blur reduction, and instead it uses the current AMA value instead of the default one! So by switching presets like this, you can get standard mode, if you set standard mode without blur reduction (or a preset with blur reduction off, if saved in a gamer preset) to use the "AMA low" (e.g. MBR / AMA high overwrite) overdrive that was intended for the blur reduction toggle which makes blur reduction off use a perfect overdrive calibration (which should have been like this by DEFAULT on all benq monitors!) but Benq wants response time...

You can also use the normal "MBR/high" default AMA setting for blur reduction off (which is STILL better and less aggressive than the default blur reduction off value too) by just directly switching from a blur reduction on preset to a blur reduction off preset. This doesn't look AS good but still is an improvement; looks like Trace Free=80 on the Asus screens.

I doubt this profile switch bug exists on the XL2730Z. Someone DID get the AMA "low" overwrite to work for blur reduction on, but they said they couldn't get it back on a second time.
Edited by Falkentyne - 11/12/15 at 5:24pm
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