Author Topic: Best 240-280hz Monitors  (Read 16225 times)

NCX

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Best 240-280hz Monitors
« on: July 02, 2018, 06:43:57 pm »


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Always purchase from retailers with hassle free return and exchange policies.  Read retailers return and exchange policies before buying.

My recommendations are based off of testing more than 60 monitors and reading in-depth reviews from over fifteen reviewers across the realm.

Best Monitor Review Sites: Monitor Review Resource Center

Many monitors not found in this thread likely perform well, but it makes more sense to buy well reviewed monitors, and I like having sources to refer to, even though I do not always agree with them.

If a monitor is not mentioned it is because it has not been reviewed properly, been reviewed at all or is mediocre.  All monitors suffer from regular quality control issues: back-light bleeding and pixel issues (dead and stuck pixels).

Recommendations are PWM or Flicker Free:

I do not recommend monitors which use low LED PWM Dimming frequencies since they ruin motion clarity and cause some people to suffer from health issues like head aches and eyestrain.  LED PWM Dimming Side Effects.
« Last Edit: May 24, 2020, 01:51:43 pm by NCX »

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« Last Edit: May 19, 2020, 07:01:25 pm by NCX »

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Abnormalities & Quality Control Warnings
« Reply #3 on: July 02, 2018, 07:12:42 pm »
Abnormalities & Quality Control Warnings

Warning: The 27" 1440p TN panels use very grainy matte coatings which reduces sharpness and clarity, and make content with white and light colours look obviously sparkly/grainy. They, along with the 24" models suffer from pixel inversion artifacts and suffer from poor quality control (especially the PG278Q).

Warning: The 27" 1440p AHVA panels used by the 1440p AHVA G-Sync monitors tend to suffer from poor quality control including back-light bleed and brown or yellow stains, and may come with dust or dirt stuck under the matte coating which is non-remove-able.

Warning: 144-240hz TN panels tend to suffer from pixel inversion artifacts which are shimmering mesh patterns which appears during motion on certain colors.

Warning: The color accuracy and contrast of the 240hz TN panels can vary significantly between the same monitors, and most are limited to 89-93% sRGB color space coverage which prevents them from being as accurate and vibrant as the best 144hz TN panels.
« Last Edit: December 07, 2019, 01:41:11 pm by NCX »

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Best 240h-280hz with AMD Free-Sync
and/or
Back-light strobing

27" 1080p monitors are ranked lower than 25" if similar or worse

#1 Acer Nitro XV273 X (20-240hz AMD Free-Sync & back-light strobing) IPS
#2 Alienware AW2720HF (20-240hz AMD Free-Sync) IPS
#2 LG 27GN750 (40-240hz AMD Free-Sync) IPS
#4 HP X27 (2560x1440 ?-240hz AMD Free-Sync) 8 bit TN
#4 Samsung C27RG50FQ (?-240hz AMD Free-Sync & back-light strobing) VA
#5 Alienware AW2518HF (40-240hz AMD Free-Sync) TN
#6 Gigabyte Aorus KD25F (40-240hz AMD Free-Sync & Aim Stabilizer/back-light strobing) TN
#6 Acer XF252QX BMIIPRZX (40-240hz AMD Free-Sync & back-light strobing) TN
#7 LG 27GK750F (48-240hz AMD Free-Sync & back-light strobing) TN


The Acer Nitro XV273 X uses a 240hz AHVA panel (marketed as IPS) with more even and vibrant colors, and less restrictive or wider viewing angles than both TN  and VA panels, is significantly faster than VA panels, and is slower than 240hz TN panels, but still fast enough for most.

AHVA Acer XV273 X versus Acer XF252Q TN panel 240hz oscilloscope measurements by TFT Central.

The Acer XV273 X is significantly more accurate, has superior gradient handling, vastly superior 60hz overdrive, and slightly lower input lag at 60hz (11.4ms vs 15ms), but slightly slower, though still excellent 240hz overdrive versus the Alienware AW2720HF.

The Alienware AW2720HF is preset to the RPG mode which is fairly accurate, but has too high (2.39 average) and skewed gamma resulting in colors and shades being a bit too dark, and loss of detail or black crush when viewing dark content.  The Alienware also can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces, so it can not display some colors as accurately and vibrantly as it should, even when calibrate, but it does come close to doing so (97%), and can still be considered good.  The AW2720HF has negligible input lag and offers very fast and nearly completely overshoot free pixel response times at 240hz when the Fast  overdrive setting is used, but has slow pixel response times and higher than average (negligible; 15ms delay at 60hz vs typical 9-10ms measured by Rtings) at 60hz which prevents it from being an outstanding console and PC gaming monitor.

The LG has low average gamma (2.05) resulting in some washed out colors and shades, and suffers from a slight pink tint, but covers 99% of the sRGB color space or does not suffer from color de-saturation (assuming correct gamma).  The 27GN750 has negligible input lag at both 60hz and 240hz, and has very fast pixel response times at both refresh rates which makes it great for both 60hz console and 240hz PC gaming when the Faster Response Time setting is used.

The HP Omen X 27 uses a 2560x1440, matte 8 bit TN panel which is very accurate and supports local dimming and partial HDR color support.

The Samsung C27RG50FQ used a curved (1500R) VA panel with more even and vibrant colors, and less restrictive or wider viewing angles than TN panels, but has slower pixel response times (more ghosting) and suffers from horizontal gamma shift while TN panels suffer from vertical gamma shift

The AW2518HF has accurate but too high gamma, accurate but too blue color, and like most 240hz TN panels can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces (caps at 93%; over and under-saturates some colors).  Overall it has great image quality for a TN panel, low input lag and good overdrive, though PC Lab does not provide much information about the overdrive so I can not properly compare it to competitors until more detailed reviews come out.

Multiple Acer XF252QX BMIIPRZX, Gigabyte KD25F (the KD25F tested by tested by Tom's Hardware tested came with low/2.00 preset gamma) and LG 27GK750F reviews prove that they suffer from significant preset gamma, contrast (LG) and color accuracy variance, and may come with low gamma resulting in washed out colors and shades, and none can fully cover the SDR (HDTV/REC 709 & sRGB) color spaces.
« Last Edit: May 24, 2020, 04:31:23 pm by NCX »

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Best 240hz with Nvidia G-Sync
« Reply #5 on: July 02, 2018, 07:36:17 pm »
Best 240-280hz with Nvidia G-Sync

Blur Busters G-Sync Input Lag Testing & Optimal Lag Reducing Game Settings

#1 Asus VG279QM (48-280hz Nvidia G-Sync) IPS equivalent (AUO AHVA)
#2 AOC AG251FG (30-240hz Nvidia G-Sync) TN panel
#2 Acer XN253QX (30-240hz Nvidia G-Sync) TN panel
#2 MSI NXG251R (30-240hz Nvidia G-Sync) TN panel
#3 Acer XB2522Q bmiprz (30-240hz Nvidia G-Sync) TN panel
#4 Alienware AW2518H (48-240hz Nvidia G-Sync) TN
#4 Asus PG258Q (30-240hz Nvidia G-Sync) TN panel


The VG279QM is a fully adjust-able, matte, 1920x1080, 280hz AUO AHVA panel with back-light strobing (ELMB), Nvidia G-Sync (48-280hz), Displayport, 2x HDMI 2.0 and 3.5mm Audio Out.  The VG279QM is preset to the Racing Game Visual Mode which is very accurate and almost properly covers the sRGB color space, but the unit PC Lab PL came with slightly too low gamma (2.1-2.2) versus the nearly linear 2.2 gamma Playwares and TFT Central measuredThe VG279QM slightly over-saturates greens, oranges, reds and yellows by over 10% but is otherwise very accurate.  The VG279Q supports HDR, but it is best lest off since it lacks almost all of the features required for true HDR, especially in regards to the DCI-P3 color space coverage since it peaks around 80%.  The overdrive is preset to the Trace Free 60 setting which provides the best performance at 240hz whileTrace Free 80 speeds up the pixel response times without obvious overshoot at 280hz.  Trace Free 60 causes some obvious overshoot at 60hz; Trace Free 20 slows down the pixel response times and gets rid of most of the overshoot at 60hz, but is a bit slower than Trace Free 40 which TFT Central recommends.  The VG279QM has negligible input lag according to 2/3 of the reviewers to measured the delay, and balanced and fast overdrive which provides pixel response times which are only slightly slower than the fastest TN panels like the Acer XF252Q.
Les Numeriques measured (middle screen) a 9.7ms delay with the Leo Bodnar device at 60hz which is nearly as low as possible.

PC Lab PL measured a 27.5ms delay with a high speed camera.  27.5ms is very high for a gaming monitor.  This could be a mistake, a 60hz measurement or a different version of the monitor.

Playwares measured 2-3ms at 280hz and 17ms at 60hz with the SMT Tool.

The Acer XN253QX, AOC AG251FG and MSI NXG251R have vastly superior preset color accuracy compared to the rest, but there's only one review for each so I don't know how consistent they are.  All three also offer nearly identical gaming performance (low input lag and fast overshoot free pixel response times), so I can not pick a winner until more reviews come out.

 The Acer XB2522Q and Asus PG258Q are inconsistent and can come with mediocre or low preset gamma which results in washed out colors. The Asus comes with intentionally over-saturated colors which results in detail loss while the Acer does not. This also applies to the 144hz Asus MG248Q and PG248Q.  The Alienware is also inconsistent preset color accuracy (gamma) and contrast wise, is inaccurate at best (preset gamma neither follows the sRGB or HDTV/REC 709 standard and causes black crush), but is not intentionally over-saturated and is cheaper than the Asus.

Example of Asus PG258Q (left) over-saturation resulting in detail loss and weird colors vs normal monitor (IPS panel on the right) by SweClockers:

« Last Edit: March 20, 2020, 03:05:00 pm by NCX »

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Correct Display Height=Reduced AHVA/IPS/PLS Glow
« Reply #6 on: July 02, 2018, 07:37:34 pm »
Correct Display Height=Reduced AHVA/IPS/PLS Glow

Read The Article and/or watch The Extended YouTube Version
https://www.youtube.com/watch?v=cBAQ4Toxt9U
« Last Edit: December 07, 2019, 01:42:14 pm by NCX »

NCX

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Re: Best Reviewed Flicker Free 240hz Monitors
« Reply #7 on: July 02, 2018, 07:38:06 pm »
Improve Perceived Contrast/Black Depth & Reduce Glare With Bias Lighting

Read the Steemit Article and/or watch it on YouTube
https://www.youtube.com/watch?v=s1Dnp7RTZWs
« Last Edit: September 27, 2018, 07:12:18 pm by NCX »

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Acer 240hz
« Reply #8 on: July 02, 2018, 07:38:36 pm »
Acer

Acer XB252Q

Review By Belgium Hardware
Review By Les Numeriqes
Review by PRAD
Review By Sweclockers


Acer XB272Q

Review By Les Numeriqes


Acer Nitro XF252Q BMIIPRZX

Review by PC Lab PL (low sub 2.0 gamma)
Review by TFT Central

Matte 1920x1080 240hz AUO TN panel with a fully adjustable stand, VRB (back-light strobing), AMD Free-Sync (40-240hz), Displayport, 2x HDMI 2.0 (240hz), 4x USB 3.0 and 3.5mm Audio Out.  The Acer is fairly accurate but has high (2.5 average) gamma which causes black crush (loss of detail in dark scenes), though it can be reduced by setting the gamma to 1.8, but doing so sets the gamma slightly too low resulting in slightly washed out colors.  Like many other 240hz TN panels, the XF252Q can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces.  The XF252Q has negligible or extreme low input lag and the fastest pixel response times out of all the monitors TFT Central tested (oscilloscope measurements) which means it is one of the fastest LCD panels in existence, however it does suffer from a tiny bit of overshoot, especially at 60hz.

The XF252Q PC Lab PL tested came with very low (sub 2.0) gamma,or washed out colors and shades, but came with similarly accurate preset colors (PC Lab PL unit is too blue but accurate like the unit TFT Central tested) and 1000:1 contrast.

The XF252Q PC Lab PL tested came with very low (sub 2.0) gamma,or washed out colors and shades, but came with similarly accurate preset colors (PC Lab PL unit is too blue but accurate like the unit TFT Central tested) and 1000:1 contrast.


Acer XN253QX

Review by PC Monitors


Matte 1920x1080 240hz AUO TN panel with a fully adjustable stand, ULMB (back-light strobing), Nvidia G-Sync (40-240hz), Displayport, 2x HDMI 2.0 (240hz), 4x USB 3.0 and 3.5mm Audio Out.  The Acer is preset to the Standard Mode which is very accurate since it can cover 99% of the sRGB color space, however it does slightly over and under-saturate some colors like most 240hz TN panels, and has slightly flawed gamma since it is slightly too high (2.3 average), but not enough to cause black crush or loss of details in dark scenes.  The Acer has negligible input lag at 240hz (3.26ms measured by PC Monitors with the SMT Tool), as well as top tier and overshoot free overdrive with very fast pixel response times (preset Normal overdrive setting) and nearly as little color streaking and motion blur an LCD can provide without back-light strobing, which the Acer also supports (ULMB) at 120 and 144hz.  The ULMB feature does not work properly at 100hz since it drops back down to 90hz and causes stutter.


ACER KG251QD

Review by =DEAD=

Matte, 240hz, 1920x1080, AUO TN (M250HTN01.3) panel with 40-240hz AMD Free-Sync (Nvidia G-Sync Compatible), Displayport, 2x HDMI 2.0 and 3.5mm Audio Out.  The KG251QD is preset to the Standard mode which suffers from dull or washed out colors and shades since it can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces (it significantly under-saturates greens; this is common among 240hz TN panels) and has low gamma (1.98 average). =DEAD= does not measure the input lag or signal delay, but does test the overdrive or response times; the KG251QD has very fast pixel response times with minimal overshoot ghosting when the default Normal over drive setting is used.  The KG251QD uses a grainy or sparkly matte coating which dulls color and appears grainy or sparkly when light colors and white are displayed.


Acer XV253QPbmiiprzx

Review by =DEAD=

Matte, fully-adjust-able, 1920x1080, 240hz IPS panel with AMD Free-Sync (48-240hz) Displayport, 2x HDMI 2.0, 4x USB 3.0 & 3.5mm Audio Out.  The Acer can fully cover the sRGB color space (with very minor over-saturation), has 1000-1100:1 contrast, is very accurate out-of-the-box aside from a very minor blue tine (6700k preset color temperature) and http://=https://4k-monitor.ru/reviews/i_zachem_teper_tn_film_obzor_i_testirovanie_igrovogo_240_gts_ips_monitora_acer_nitro_xv253qxbmiiprzx/#elem-6can be further improved by switching to the sRGB mode.  The Acer has very fast pixel response times with only minor overshoot when the default Normal OD setting is used at 240hz; =DEAD= does not test input lag or 60hz overdrive performance.

The Acer has a noticeably grain and sparkly matte coating when viewing light colors and whites.


Acer Nitro XV273 X

Review by TFT Central

Matte 1920x1080 240hz AUO AHVA panel (marketed as IPS) with AMD Free-Sync (48-240hz range), Displayport, VRB (120, 144 and 240hz back-light strobing), 2x HDMI 2.0, 3.5mm Audio Out and  4x USB 3.0.  The Acer XV273 has a native 1170:1 contrast ratio, can fully cover the sRGB color space (with 9% over-saturation), and is quite accurate.  The XV273 has negligible input lag at all refresh rates, and fast pixel response times with minimal overshoot at both 60hz (OD Off) and 240hz (OD Normal) which makes it great for both 60hz console and 240hz PC gaming.

AHVA Acer XV273 X versus Acer XF252Q TN panel 240hz oscilloscope measurements by TFT Central.


Acer XF250Q Cbmiiprx

Review by PC Lab PL

Matte, fully-adjust-able, 1920x1080, 240hz IPS panel with AMD Free-Sync (48-240hz) Displayport, 2x HDMI 2.0, and 3.5mm Audio Out.  The XF250Q has a 860:1 contrast ratio, very accurate color, but very low preset gamma (sub 1.9 average resulting in washed out colors and shades), and the XF250Q the can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces like most 240hz TN panels.  Overall it has poor image quality for a TN panel due to the low gamma, low input lag but slow pixel response times, though PC Lab does not provide much much information about the overdrive so I can not properly compare it to competitors until more detailed reviews come out.
« Last Edit: May 24, 2020, 04:00:10 pm by NCX »

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Alienware 240hz
« Reply #9 on: July 02, 2018, 07:38:56 pm »
Alienware (Dell)

Alienware AW2518H

Review by Alexander Gryzhin (=DEAD=)
Review By Sweclockers
Review By Tomís Hardware

Mediocre!


Alienware AW2720HF

Review by Rtings

Matte, fully adjust-able, 240hz, 1920x1080, IPS panel with 20-240hz AMD Free-Sync (not G-Sync Compatible), Displayport, 2x HDMI 2.0, 4x USB 3.0, and 3.5mm Audio Out.  The Alienware AW2720HF is preset to the RPG mode which is fairly accurate, but has too high (2.39 average) and skewed gamma resulting in colors and shades being a bit too dark, and loss of detail or black crush when viewing dark content.  The Alienware also can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces, so it can not display some colors as accurately and vibrantly as it should, even when calibrate, but it does come close to doing so (97%), and can still be considered good.  The AW2720HF has negligible input lag and offers very fast and nearly completely overshoot free pixel response times at 240hz when the Fast  overdrive setting is used, but has slow pixel response times and higher than average (negligible; 15ms delay at 60hz vs typical 9-10ms measured by Rtings) at 60hz which prevents it from being an outstanding console and PC gaming monitor.

The Acer XV273X is significantly more accurate, has superior gradient handling, vastly superior 60hz overdrive, and slightly lower input lag at 60hz (11.4ms vs 15ms), but slightly slower, though still excellent 240hz overdrive versus the Alienware AW2720HF.


Alienware AW2518HF

Added the Review by PC Lab PL to my Best Reviewed Flicker Free 240-280hz Monitors buying guide.

Matte 1920x1080 240hz AUO TN panel with a fully adjustable stand, VRB (back-light strobing), AMD Free-Sync (40-240hz), Displayport, 2x HDMI 2.0 (240hz), 4x USB 3.0 and 3.5mm Audio Out.  The AW2518HF has accurate but too high gamma, accurate but too blue color, and like most 240hz TN panels can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces (caps at 93%; over and under-saturates some colors).  Overall it has great image quality for a TN panel, low input lag and good overdrive, though PC Lab does not much much information about the overdrive so I can not properly compare it to competitors until more detailed reviews come out.
« Last Edit: May 24, 2020, 03:38:12 pm by NCX »

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AOC 240hz
« Reply #10 on: July 02, 2018, 07:39:16 pm »
AOC

AOC AG251FZ

Measurements and Review by Belgium Hardware
Review By IT Hardware Poland
Review By Les Numeriqes (terrible contrast and preset gamma)
Review By Sweclockers
Review By Tomís Hardware

The AOC uses a 240hz matte 6 bit +FRC AUO TN panel with AMD Free-Sync, suffers from the typical contrast and gamma lottery (TFT Central set the gamma from Mode 1 to 3), but has accurate preset RGB levels, especially the unit tested by Belgium Hardware. The AOC has very fast pixel response times with zero overshoot ghosting when the overdrive setting is set to Medium.

The AOC has mediocre image quality due to its low preset gamma and sRGB color space coverage (89% out of the box and 91.1% after calibration).


AOC AG251G

Review By PC Monitors

Very accurate matte 240hz 6 bit +FRC AUO TN panel with Nvidia G-Sync.
« Last Edit: December 07, 2019, 01:43:51 pm by NCX »

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Asus 240hz
« Reply #11 on: July 02, 2018, 07:39:35 pm »
Asus

Asus PG258Q

The Asus PG258Q has a fully adjustable stand, a fake frame-less casing with a perceived black depth reducing inner black bezel, Displayport (240hz, G-Sync and ULMB), HDMI (60hz) and 2x USB 3.0 ports. The PG258Q is preset to the Racing mode which suffers from inteionally over-saturated colors (reduce Saturation setting to fix) preset color accuracy (gamma) variance (low preset gamma averaging around 1.8 or 2.1-2.2), though units with low gamma can be improved by switching the gamma setting from 2.2 to 2.4 on units with low preset gamma. The PG258Q's sRGB color space coverage is also below average in the 90-93% range.

Review by Alexander Gryzhin (=DEAD=)
Review By Belgium Hardware
Review By HDTV Polska
Review By IT Hardware Poland
Review By Playwares
Review By PRAD
Review By Sweclockers
Review By TFT Central UK
Review By Tomís Hardware

Asus XG258Q

Added Asus XG258Q Review by Playwares to my

Matte 1920x1080 240hz AUO TN panel with AMD Free-Sync (48-240hz range) and back-light strpbing (ELMB @100/120hz) and good preset color accuracy, as well as gamma controls to combat potentially low preset gamma (washed out colors) 240hz panels can come with.


Asus  VG279QM

Review by Ashun (high 60hz input lag & back-light strobing analysis)
Review by =DEAD=
Review by Global HD Russia (2.06 gamma)
Review by Les Numeriques (skewed & slightly too high gamma; warmer 6180k color temperature)
Review by PC Lab PL (27.5ms delay; measured at 60hz, different firmware or a mistake?)
Review by Playwares (2-3ms delay at 280hz and 17ms at 60hz)
Review by TFT Central (2.3ms delay at 240hz)

Fully adjust-able, matte, 1920x1080, 280hz AHVA panel with back-light strobing (ELMB), Nvidia G-Sync (48-280hz), Displayport, 2x HDMI 2.0 and 3.5mm Audio Out.  The VG279QM is preset to the Racing Game Visual Mode which is very accurate and almost properly covers the sRGB color space, but the unit PC Lab PL came with slightly too low gamma (2.1-2.2) versus the nearly linear 2.2 gamma Playwares and TFT Central measuredThe VG279QM slightly over-saturates greens, oranges, reds and yellows by over 10% but is otherwise very accurate.  The VG279Q supports HDR, but it is best lest off since it lacks almost all of the features required for true HDR, especially in regards to the DCI-P3 color space coverage since it peaks around 80%.  The overdrive is preset to the Trace Free 60 setting which provides the best performance at 240hz whileTrace Free 80 speeds up the pixel response times without obvious overshoot at 280hz.  Trace Free 60 causes some obvious overshoot at 60hz; Trace Free 20 slows down the pixel response times and gets rid of most of the overshoot at 60hz, but is a bit slower than Trace Free 40 which TFT Central recommends. 

Les Numeriques measured (middle screen) a 9.7ms delay with the Leo Bodnar device at 60hz which is nearly as low as possible.

PC Lab PL measured a 27.5ms delay with a high speed camera.  27.5ms is very high for a gaming monitor.  This is likely a 60hz measurement since Ashun measured a 34ms delay at 60hz and a negligible 2ms at 280hz.
« Last Edit: May 24, 2020, 01:24:33 am by NCX »

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BenQ 240hz
« Reply #12 on: July 02, 2018, 07:39:55 pm »
BenQ

BenQ Zowie XL2450

Matte 240hz TN panel with back-light strobing.  The BenQ XL2450 has horrible color presets and can only be improved to the point where it is passable by switching it from the horrible FPS Picture Mode to the Standard mode and by changing the Gamma to Mode 3.

Review by Alexander Gryzhin (=DEAD=)
Review By Belgium Hardware
Review By Les Numeriqes
Review By Playwares
Review By Rtings
Review By Sweclockers

BenQ Zowie XL2456

Matte 240hz TN panel with back-light strobing.  The XL2456 has the worst preset color accuracy I've seen in a review aside from the first 2560x1440 AH-IPS panel with Plasma Deposition Coating from Monoprice in 2013 thanks to the BenQ's FPS modes very low gamma (<1.6) and contrast (300:1). Fortunately the BenQ can be improved by switching from the abysmal preset FPS Mode to the Standard Mode to provide decent results for a TN panel, as is the case for all of their gaming monitors. Choose between some overshoot ghosting (preset AMA High overdrive setting) or slow pixel response times versus competitors (AMA Off).

Review by HDTV Poland
Review by PC Labl PL
Review By Playwares

BenQ Zowie XL2740

Review By Playwares

The X2470 has terrible image quality, even once switched from the preset FPS modes to the Standard Picture Mode since it has very low (1.7 average) preset gamma (resulting in very washed out image quality_ which can only be slightly improved by (2.0 average) changing the Gamma to Mode 5.


BenQ Zowie XL2746S

Review by Playwares

Fully adjust-able, matte, 1920x1080 240hz TN panel with AMD Free-Sync, DyAC (back-light strobing), Displayport, Dual-Link DVI, HDMI 1.4, HDMI 2.0, 2x USB .0 and 3.5mm Audio Out. The has abysmal image quality out-of-the-box and needs to be set to the Standard Picture Mode (1.97 gamma average versus sub 1.8 gamma default) to be improved, though it still can not fully cover the SDR (HDTV/REC 709 & sRGB) color spaces. and have the Gamma setting changed, though I'm not sure if the Gamma 4 or 5 settings provide significantly superior results since Playwares did not test them.  The XL2746S has a 17ms delay at 60hz (common for 240hz TN panels), negligible input lag at 240hz (2-3ms measured with the SMT Tool) and very fast and pixel response times at 240hz (60hz not tested) when the default AMA High setting is used.
« Last Edit: February 02, 2020, 06:08:37 pm by NCX »

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Re: Best Reviewed Flicker Free 240hz Monitors
« Reply #13 on: July 02, 2018, 07:40:20 pm »
Crossover
« Last Edit: July 02, 2018, 07:55:14 pm by NCX »

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Re: Best Reviewed Flicker Free 240hz Monitors
« Reply #14 on: July 02, 2018, 07:40:37 pm »
Gigabyte

Gigabyte Aorus KD25F

Review by Belgium Hardware
Review by =DEAD=
Review by Tom's Hardware (low gamma)

Matte 1920x1080 240hz AUO TN panel with a fully adjustable stand, Aim Stablizer (back-light strobing), AMD Free-Sync (40-240hz), Displayport, 2x HDMI 2.0 (240hz), 2x USB 3.0 and 3.5mm Audio Out.  The KD25F's Belgium Hardware and =DEAD= tested are very accurate (preset Standard mode), can cover >93.5 of the sRGB color space (but fails to fully cover it as well as both over and under-saturates some colors), has good contrast for a 240hz TN panel (850:1-930:1), and has very fast pixel response times with no (Balance overdrive setting) or minimal overshoot and slightly faster pixel response times (Speed overdrive setting), but has high input lag at 60hz (240hz not measured; 19.8ms top screen Leo Bodnar device measurement).  The KD25F Tom's Hardware tested came with low preset gamma which averages around 2.0 resulting in washed out colors and shades, or image quality.  Tom's Hardware improved the gamma by changing the Gamma Preset from 3 to 4.
« Last Edit: August 24, 2019, 05:40:00 pm by NCX »