Monitors / Compare

BenQ ZOWIE XL2566X+ vs Dell Alienware AW2725DF

A

Product A: BenQ

ZOWIE XL2566X+

85 of 172 known

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B

Product B: Dell

Alienware AW2725DF

111 of 172 known

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All 172 fields

Every value links to where we found it.

Only differences

ABenQ ZOWIE XL2566X+

BDell Alienware AW2725DF

General

6 of 8 differ

Series

XL Series2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026

Alienware1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Product Line.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

XL2566X+, 9H.LMRLB.QBE7Retailer pageamazon.com/dp/B0D3JC9S9MRead 30 September 20268Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026

AW2725DF1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Exact Product Model. Regional ordering codes not variants.

GTIN / EAN

840046050511, 47187550941947Retailer pageamazon.com/dp/B0D3JC9S9MRead 30 September 2026UPC 840046050511 for model XL2566X+ (US listing)8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026EAN 4718755094194 for model 9H.LMRLB.QBE, also in another retailer's product data

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

8 August 20245Press releasezowie.benq.com/en-us/news/2024/zowie-xl2566x-press-release.htmlRead 30 September 2026Costa Mesa, USA, August 8, 2024. The EU release of the same date says pre-orders start August 15

8 January 20244Press releaseprnewswire.com/news-releases/alienware-doubles-qd-oled-family-with-two-worlds-first-gaming-monitors-302029006.htmlRead 5 October 2026Dell CES launch announcement.

Status

Available8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026Exact 9H.LMRLB.QBE product is listed In stock on the access date. No interpretation of a templated maker Discontinued button.

Available1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Current U.S. Add to Cart listing.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

$899.994Press releaseprnewswire.com/news-releases/alienware-doubles-qd-oled-family-with-two-worlds-first-gaming-monitors-302029006.htmlRead 5 October 2026Target Pricing exact AW2725DF U.S. launch starting price, excluding tax.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€6999Press releasebenq.eu/de-de/news/products/zowie-xl2566x-plus.htmlRead 30 September 2026August 2024 announcement: pre-orders from August 15 at €699 including VAT in Germany.

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

US1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Current U.S. maker sales listing.

ColoursiThe maker's own colour names

Black8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026Exact reference 9H.LMRLB.QBE technical specifications list Black. No extra colors inferred.

Not available

SegmentiFrom the maker's own product category. Office also covers home and everyday monitors.

Gaming1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Gaming1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Product Type and Application/Usage.

Display

9 of 12 differ

Screen sizeiDiagonal in inches exactly as the maker advertises it. A class size and the viewable diagonal can differ.

24.1in(61.2 cm)1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

26.7in(67.8 cm)1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Viewable Screen Size. Advertised 27-inch class.

Viewable screen diagonaliDiagonal of the visible image area. This can be smaller than the advertised class size.

Not available

26.7in(67.8 cm)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 exact diagonal.

Native resolution

1920 × 1080px1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

2560 × 1440px2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 connectivity explicit supported maximum, not inferred from preset timing tables.

Aspect ratio

16:91Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

16:92Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15.

Pixel density

91.4ppi=CalculatedFrom Screen size and Native resolution

110ppi=CalculatedFrom Screen size and Native resolution

Pixel pitchiDistance between adjacent pixels. Source notes identify horizontal or vertical pitch if they differ. A horizontal figure about a third of the vertical one is the pitch of one subpixel, not of a pixel, so the pixel figure is stored.

0.279mm1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Not available

Active display areaiMaker published active-display width and height, excluding the external frame. Source notes distinguish image area from any published shift-reserve area. Dimensions are not inferred from native resolution or rounded pixel pitch.

Width535.68Height298.08mm(21.1 × 11.7 in)1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Width590.42Height333.72mm(23.2 × 13.1 in)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 literal active area 590.42 x 333.72 mm. Published pitch 0.2292 mm disagrees beyond printed precision with declared 1440p resolution and this active area. Pitch omitted because pixel raster versus physical area scope is unresolved.

Curved

No8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026

No1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Exact selected Flat Screen and technical Flat Panel.

Curvature radiusiRadius of screen curvature. A published 1800R is 1800 mm.

Not available

Not available

Screen surface

Matte7Retailer pageamazon.com/dp/B0D3JC9S9MRead 30 September 2026"Screen Finish: Matte"

Semi-glossy8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026General/Office Use exact QD-OLED coating description.

Anti-reflection coating

Not available

Anti-reflection2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 faceplate coating.

Touchscreen

No8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026

Not available

Panel

23 of 31 differ

Panel type

TN1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

QD-OLED2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 panel technology.

Panel type (as published)iPanel or technology name as published. This is separate from the normalised panel type.

Fast TN1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Page title says "New Fast TN". Spec table says "TN" with "Fast liquid crystal: Yes"

Quantum Dot OLED1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Panel Technology.

BacklightiLayout of the backlight. OLED is none (self-emissive). WLED or LED alone names no layout, so it is left out unless a source states edge-lit or direct-lit.

Edge-lit LED10Reviewtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-reviewRead 7 October 2026Exact review specification table describes TN/W-LED edge array. DyAc2 dual backlight strobing does not change edge-lit classification.

None (self-emissive)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p9 QD-OLED definition and p15 OLED luminous substance.

Local dimming

Not available

Not available

Dimming zones

Not available

Not available

Panel maker

Not available

Samsung Display8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Introduction and Key Specs exact tested model.

Panel part number

Not available

Not available

Panel generationiGeneration or panel architecture name stated by the source. Brand product generation and panel generation can differ.

Not available

3rd generation8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Key Specs exact model.

Subpixel layoutiArrangement of the red, green, blue and any white emitters within a pixel. Individual emitter shapes do not establish their arrangement. Marketing names such as Primary RGB Tandem do not prove an RGB stripe layout.

Not available

Triangular RGB8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Sub-pixel Layout microscopy.

Colour depthiSupported total colour depth per channel. A stated 8-bit plus FRC implementation is 10 supported bits with FRC, not native 10-bit. A 6-bit plus FRC panel, also called Hi-FRC, is 8 bits with FRC.

8bits10Reviewtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-reviewRead 7 October 2026Specification table explicitly labels Native Color Depth 8-bit. No 10-bit input support is inferred.

Not available

Colour depth methodiNative panel bits or temporal frame rate control. Supported 10-bit input alone does not prove native 10-bit panel depth.

Native10Reviewtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-reviewRead 7 October 2026Table explicitly says Native Color Depth 8-bit, so not inferred from color-count arithmetic.

Not available

Displayable colours

Not available

1.07 billion2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 published color-depth count. Native panel bit depth/FRC not inferred.

sRGB coverageiPercentage of the sRGB reference gamut covered. Gamut volume is a different measure and is not stored here. Source notes identify the colour-space standard.

98%7Retailer pageamazon.com/dp/B0D3JC9S9MRead 30 September 2026"98% sRGB" in BenQ's own comparison table on the listing. Coverage or volume and CIE version not stated

Not available

DCI-P3 coverageiPercentage of DCI-P3 covered. Do not substitute gamut volume. Source notes identify the CIE reference and any minimum or typical qualifier.

Not available

99.3%2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 typical CIE1976.

Adobe RGB coverageiPercentage of Adobe RGB covered. Do not substitute gamut volume.

Not available

Not available

Rec. 2020 coverageiPercentage of Rec. 2020 covered. Do not substitute gamut volume.

Not available

Not available

NTSC coverageiPercentage of the NTSC reference gamut covered. Source notes identify the reference. Do not substitute gamut volume.

Not available

Not available

Factory calibrated

Not available

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p8 factory calibration report and p15 preset calibration accuracy.

Claimed Delta EiMaker claim for colour error. Source notes retain a less-than qualifier, the colour space and whether the figure is an average or maximum.

Not available

22Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 visual PDF table has average Delta E 2000 at most 2 for both sRGB and DCI-P3 presets. Text extraction drops the inequality equality bar.

Paper calibration report in boxiA physical calibration report included in the package. An electronic report in the menu or software does not count as a paper report.

Not available

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p8 physical Package contents includes Factory calibration report, pictured with documents. Some package components can vary by country.

Hardware calibration supportiCalibration writes to the monitor internal hardware LUT. Ordinary colour controls or a computer ICC profile do not establish this feature.

Not available

No8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Calibration section explicitly no hardware calibration.

Static contrast ratioiPanel native static contrast, without dynamic contrast processing or local dimming. 1000 means 1000:1. Do not store a dynamic contrast claim here.

1,000:11Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

1,500,000:12Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 SDR and HDR contrast ratio. Current page labels its number dynamic, manual priority.

Brightness (typical, SDR)iMaker typical SDR white luminance. Source notes state any window size, average picture level and operating mode.

320nits1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

250nits2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 typical SDR full white pattern.

Brightness (maker minimum)iMaker minimum guaranteed brightness specification under its stated conditions. This is not the lowest user-selectable brightness unless the source explicitly says so.

Not available

Not available

Peak brightness (HDR)iMaker peak HDR white luminance. The source notes state window size or average picture level, mode and time limit where published.

Not available

1,000nits2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 typical HDR peak. Window size unstated.

HDR peak test windowiPercentage of screen area used for the peak HDR claim. If the maker publishes average picture level instead, source notes identify that distinction.

Not available

Not available

Full-screen brightnessiMaker white luminance at 100% screen area or 100% average picture level. Source notes state SDR or HDR and mode.

Not available

250nits2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 SDR full white pattern. Not HDR full-screen.

HDR formats

Not available

HDR108Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Console Gaming HDR10 support. No Dolby Vision/HLG inferred.

HDR certificationiVESA DisplayHDR certification. None needs a source, such as the maker saying the monitor has no DisplayHDR certification or the model being absent from the VESA list. When no source was checked, it is left out.

None8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026Technical specifications / HDR(High Dynamique Range):No. This exact-model public row establishes absence of HDR support and certification.

DisplayHDR True Black 4002Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 HDR support.

Viewing angle (horizontal)

170°8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026170 horizontal and 160 vertical. TFTCentral's launch news gives the same 170/160 from BenQ's original spec page

178°2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 typical horizontal.

Viewing angle (vertical)

160°8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026

178°2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 typical vertical.

Refresh rate and motion

13 of 22 differ

Refresh rate per resolution and portiHighest accepted rate for each proven resolution, input and operating condition. Preset or supported timing lists alone do not prove a maximum. Keep separate bit-depth, chroma and DSC conditions. Dual-mode or crop-mode requirements belong in source notes. Unknown input stays unknown.

ABenQ ZOWIE XL2566X+

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 2.0	DisplayPort 1.4
1920 × 1080Native	240Hz	400Hz

Source1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Specs/FAQ: DisplayPort 1.4 maximum 400 Hz, HDMI 2.0 maximum 240 Hz, native 1920×1080. Lower-resolution timing entries do not independently establish accepted maxima.

BDell Alienware AW2725DF

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 2.1	DisplayPort 1.4
3840 × 2160	60Hz	Not available
2560 × 1440Native	144Hz	360HzDSC

Source2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp16-17 explicit per-input accepted maximum, DP DSC enabled. Exact timing 359.98/143.97 rounds to nominal 360/144 as maker itself labels. HDMI is TMDS, not FRL. Depth/chroma not tied to maxima. Lower-resolution preset timings pp18-19 are not proven maxima and omitted.8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Console Gaming explicit accepted maximum virtual 4K60 via HDMI with Console Mode on. No 4K120 support. Input is downscaled to native 1440p. Bit depth/chroma not specified. 1080p120 console timing is not established as monitor-wide maximum and omitted.

Max refresh rateiHighest proven accepted rate across the stored modes, including lower-resolution dual modes.

400Hz=CalculatedFrom Refresh rate per resolution and port

360Hz=CalculatedFrom Refresh rate per resolution and port

Max refresh rate at native resolutioniHighest proven accepted rate at the native pixel resolution, across all inputs and stored operating conditions.

400Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

360Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over DisplayPortiHighest proven accepted rate over DisplayPort at native resolution. A higher lower-resolution dual mode is separate.

400Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

360Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over HDMIiHighest proven accepted rate over HDMI at native resolution. Console refresh limits can be lower than PC limits.

240Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

144Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over USB-CiHighest proven accepted rate over USB-C or Thunderbolt at native resolution. USB data bandwidth settings can lower the video maximum.

Not available

Not available

Max refresh rate at 10-bitiHighest stored native-resolution mode explicitly proven at 10-bit colour. Rows without bit-depth evidence do not count.

Not available

Not available

Native refresh rateiHighest refresh rate the maker rates without overclock. A lower optimum or recommended mode in a manual is not this value.

400Hz1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026"Refresh Rate 400 Hz". The Q&A says DisplayPort 1.4 supports 400Hz and HDMI 2.0 supports a maximum of 240Hz

360Hz2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 explicit native DisplayPort maximum.

Overclocked refresh rate

Not available

Not available

Dual modeiA dedicated display mode that changes resolution to raise the maximum refresh rate. Ordinary image scaling or a preset timing does not count.

Not available

Not available

Minimum fixed refresh rateiLowest fixed input rate accepted by the monitor. A VRR lower limit or general vertical scan range is not this value.

Not available

Not available

Adaptive sync technologiesiExact published adaptive-sync protocol or named certification. Generic Adaptive-Sync support does not prove VESA AdaptiveSync Display certification. Source notes distinguish protocols from certifications.

Adaptive-Sync2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026System > Adaptive-Sync is a generic support claim, not VESA AdaptiveSync Display certification. HDMI 2.0 support is limited to AMD graphics cards on XL2566X+.

FreeSync Premium Pro, VESA AdaptiveSync Display, HDMI VRR2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p9 FreeSync Premium Pro and VESA AdaptiveSync Display, p19 certifications DisplayPort only. p16 explicit HDMI VRR.

VRR range per portiVariable-refresh-rate operating range for each input and the operating mode named in source notes. A fixed timing or general vertical scan range alone is not a VRR range.

ABenQ ZOWIE XL2566X+

Input	Min (Hz)	Max (Hz)
HDMI	60	240

Source16Reviewjisakuhibi.jp/zowie-xl2566x-plusRead 7 October 2026Exact HDMI EDID read with Custom Resolution Utility 1.5.2: FreeSync range 60-240 Hz. This is device-declared operating range, not an independently swept boundary test. AMD GPU required for HDMI Adaptive-Sync. Not HDMI 2.1 VRR or NVIDIA HDMI support. DisplayPort minimum remains unproved.

BDell Alienware AW2725DF

Input	Min (Hz)	Max (Hz)
DisplayPort	48	360
HDMI	48	144

Source8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Gaming explicit per-input VRR range table. Manual vertical scan ranges alone not interpreted as VRR.

Low framerate compensation

Not available

Not available

Response time (maker GtG claim)iMaker grey-to-grey pixel transition claim. Source notes state fastest overdrive or other conditions where published.

Not available

0.03ms2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p15 gray-to-gray. Maker launch footnote specifies minimum, not mean.

Response time (maker MPRT claim)iMaker moving-picture response-time claim, often with strobing enabled. This is not a grey-to-grey transition time.

Not available

Not available

Overdrive settings

Premium, High, Customize, OFF2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026AMA menu options, page 48

Not available

Motion blur reductioniA dedicated blur-reduction feature using backlight strobing or black frame insertion. OLED monitors have no backlight.

Yes1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Not available

Blur-reduction technologyiPublished name of the backlight strobing or black frame insertion feature.

DyAc 21Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Not available

Blur reduction works with VRRiWhether the dedicated strobing or black frame insertion mode can operate at the same time as variable refresh rate.

No1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Spec table: "Variable Refresh Rate: Yes (DyAc 2 OFF)"

Not available

Flicker-free (claimed)

Yes1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026"Flicker-free Technology: Yes (DyAc 2 OFF)"

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p10 product features.

Black frame insertion

Not available

Not available

Measured

6 of 12 differ

Input lag at maximum refresh rateiReviewer total display lag at the monitor highest accepted refresh rate, including a faster dual mode. Native-rate measurements below that maximum and processing-only delay are excluded. Source notes name the rate, resolution and test method.

Not available

0.71ms8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Lag section total display lag at 360 Hz, includes pixel-response component. Estimated processing 0.59 not substituted. Firmware caveat as response note.

Input lag at 60 HziReviewer total display lag with a fixed 60 Hz input. Processing-only delay is excluded. Source notes name the resolution, mode and test method.

Not available

5.83ms8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Lag section total display lag at 60 Hz. Firmware caveat as response note.

Average response time (measured)iReviewer mean grey-to-grey transition time across tested transitions. Source notes state the measurement endpoint, method, refresh rate and overdrive. A single worst transition or an unaveraged settling time does not count.

3ms15Measurementjisakuhibi.jp/zowie-xl2566x-plusRead 7 October 2026Literal Average Transient Response 3.0ms in the exact XL2566X+ 400Hz/High chart. Mean of 30 rise/fall transitions among RGB 0/51/102/153/204/255. Endpoint starts at response onset and first reaches 5 RGB code values before the target, not a final settling endpoint after overshoot. Own optical sensor/oscilloscope tool, estimated 0.1ms precision with experimental analysis limits disclosed. Perceived 3.4ms and complete 9.5ms endpoints differ and are excluded.

0.49ms8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Response Times average G2G across tested transitions, consistent 360/240/120/60 Hz/VRR. Improved oscilloscope method, no overdrive control. Article calls firmware M2B102, apparently inconsistent with exact-model M3B-series firmware, so retain literal source caveat rather than silently correcting.

Overshoot (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Contrast ratio (measured)i1000 means 1000:1. Measured by a reviewer

1,433.7:111Measurementtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-review/3Read 7 October 2026Literal chart 1433.7:1, Maximum Brightness Settings, Stock, under Uncalibrated Maximum Backlight Level. FPS1/Normal color temperature is the documented default. Full-field white/black follows the linked published method. Exact DyAc2 state is not individually labelled on this chart. Article separately contrasts approximately 310 nits with DyAc2 engaged. Calibrated 1442.9 and ANSI 1376 are distinct results and excluded.14Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Method: full-field white and black luminance with the same equipment (i1Pro, i1DisplayPro, Calman, AccuPel).17Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarking/3Read 7 October 2026Linked published protocol uses full-field white/black at maximum brightness before color adjustment. Static white-to-black ratio is separate from ANSI and post-calibration contrast.

Not available

SDR brightness (measured)iReviewer measured SDR white luminance. Source notes state picture mode, window size and brightness setting where available.

343.1476nits11Measurementtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-review/3Read 7 October 2026Literal chart 343.1476 cd/m2, Maximum Brightness Settings, Stock, before calibration. FPS1 is the documented default. Full-field white and maximum brightness follow the linked published test method. Exact DyAc2 state is not individually labelled on the chart. Article separately reports approximately 310 nits with DyAc2 engaged. No chart estimate or strobing result substitution.14Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Method: full-field luminance with an i1Pro spectrophotometer, i1DisplayPro colorimeter, Calman and AccuPel reference signal generator. Method site page numbering can redirect between revisions.17Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarking/3Read 7 October 2026Review links the published brightness/contrast method. Uncalibrated Maximum Backlight explicitly uses full-field white/black and brightness control all the way up, before color adjustments, avoiding clipping. Current method page was last updated after the 2024 review, so this is published protocol provenance rather than a new claim about historical fixture revisions.

268nits8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Brightness/Contrast Standard preset at 100% brightness, SDR uniform without ABL. Approximate 268 is the source-reported measured peak. Firmware caveat as response note.

HDR brightness in a real scene (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

PWM flicker frequency (measured)iOnly when the reviewer found PWM flicker

Not available

Not available

VRR range (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Colour accuracy (measured Delta E)iReviewer average colour error before calibration. Source notes name picture mode, reference colour space and Delta E method. Post-calibration results are excluded.

10.093412Measurementtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-review/4Read 7 October 2026Before calibration, FPS1 default/Normal color temperature. Source Color Gamut chart explicitly labels Avg dE2000: 10.0934 with sRGB targets on CIE 1976 u-v plot. Calman/i1Pro saturation sweep of six colors at 20/40/60/80/100 percent. Grayscale 6.7456 and calibrated gamut 7.58 are excluded.14Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Method: six-color saturation sweeps with the same equipment (i1Pro, i1DisplayPro, Calman, AccuPel).

Not available

Gray uniformity (measured)iDeviation on a 50 % gray screen. Measured by a reviewer

Not available

Not available

Reflections (measured)iTotal reflections. Measured by a reviewer

Not available

Not available

Connectivity

14 of 19 differ

Video inputsiPhysical connectors that accept a display signal. A USB-C data-only charging port is not a video input. Counts exclude USB hubs and audio jacks.

ABenQ ZOWIE XL2566X+

Type	Version	Count
HDMI	2.0	3
DisplayPort	1.4	1

Source1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

BDell Alienware AW2725DF

Type	Version	Count	Max bandwidth (Gbps)	DSC	HDCP
DisplayPort	1.4	2	Not available	Yes	1.4, 2.3
HDMI	2.1	1	18	Not available	1.4, 2.3

Source2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp16-17 complete inventory. HDMI 2.1 as published is TMDS-only, 144 Hz at native QHD. DP maximum requires DSC. USB-C included video cable ends at DP socket, not a USB-C video input.8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Console Gaming explicitly reports 18 Gbps HDMI TMDS bandwidth. Published HDMI 2.1 version lacks FRL, not inferred 48 Gbps.

HDMI ports

3=CalculatedFrom Video inputs

1=CalculatedFrom Video inputs

DisplayPort ports

1=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

Highest HDMI version

2.0=CalculatedFrom Video inputs

2.1=CalculatedFrom Video inputs

Highest DisplayPort version

1.4=CalculatedFrom Video inputs

1.4=CalculatedFrom Video inputs

HDMI features

Not available

VRR2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 explicit HDMI VRR. No ALLM/eARC/FRL inferred from HDMI2.1 label.

USB-C video (DP Alt Mode)

No10Reviewtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-reviewRead 7 October 2026Inputs/OSD discussion explicitly says no USB ports. The dedicated S Switch socket is a proprietary control connection, not a USB-C video/hub connection.

No8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Design/Features USB-C is data and BC1.2 charging only.

USB-C power deliverediPower the monitor supplies to a connected device. Source notes distinguish guaranteed, maximum and shared dynamic limits. Power consumed by the monitor is separate.

Not available

Not available

Thunderbolt

Not available

Not available

USB upstream portsiUSB connections from the monitor hub to host computers. Video input and downstream charging ports are separate.

ABenQ ZOWIE XL2566X+

Not available

BDell Alienware AW2725DF

Connector	USB version	Count
USB-B	3.2 Gen 1	1

Source2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 one USB 3.2 Gen 1 Type-B upstream.

USB downstream hub portsiUSB hub connections for peripherals. These exclude host-facing upstream ports. A port the maker names for service or firmware updates only is not counted.

ABenQ ZOWIE XL2566X+

Not available

BDell Alienware AW2725DF

Connector	USB version	Count
USB-A	3.2 Gen 1	3
USB-C	3.2 Gen 1	1

Source2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 rear 2 Type-A plus quick-access 1 Type-A and 1 Type-C, all 5 Gbps USB 3.2 Gen 1. BC1.2 charging has no proved wattage.

KVM switch

Not available

No8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026Design/Features explicitly absent.

Daisy chain (MST)

Not available

Not available

Ethernet

Not available

No2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp13-16 complete physical connector inventory, no matching connector. Not an incomplete retailer summary.

3.5 mm headphone outputiAnalogue headphone or audio output. A shared four-pole headset jack counts.

Yes1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

No1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Audio Line Out: No. Complete manual connector inventory also has no audio connector.

3.5 mm microphone inputiAnalogue microphone input, including the microphone contacts of a shared four-pole headset jack. This does not imply a separate microphone socket.

Not available

No2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp13-16 complete physical connector inventory, no matching connector. Not an incomplete retailer summary.

Optical out

Not available

No2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp13-16 complete physical connector inventory, no matching connector. Not an incomplete retailer summary.

Picture in picture

Not available

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p9 product features and pp59-61 controls.

Picture by picture

Not available

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p9 product features and pp59-61 controls.

Smart features

None of 4 known

Smart platform

Not available

Not available

Wi-Fi

Not available

Not available

Bluetooth

Not available

Not available

Remote control

Not available

Not available

Audio and camera

1 of 5 differ

Speakers

No8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026Technical specifications, Multimedia: Built-in speakers No.

No1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Audio / Speakers: No.

Number of speakers

Not available

Not available

Speaker power per channeliRated power per speaker or output channel. Do not store the total of all speakers here.

Not available

Not available

Webcam

No8Retailer pageldlc.com/en/product/PB00654876.htmlRead 7 October 2026

Not available

Microphone

Not available

Not available

Ergonomics and controls

12 of 15 differ

Stand height adjustmentiVertical travel of the supplied stand. This is not the total height of the monitor.

155mm1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

110mm2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16.

TiltiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Forward5°Backward35°1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Published as "Tilt (down/up) -5˚- 35˚"

Forward5°Backward21°2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16.

SwiveliMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Left45°Right45°1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Left20°Right20°2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16.

PivotiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude. Pivot is rotation in the screen plane. A small slant adjustment for levelling, as Dell calls it, counts.

Not available

Counterclockwise90°Clockwise90°2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 both directions 90 degrees.

Removable stand

Yes2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p9 removable stand and pp39-40 procedure.

VESA mount

100 x 1001Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

100 x 1002Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p12 mount holes.

VESA adapter needed

Not available

No2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p41 direct standard 100x100 bracket screwed into monitor holes.

Security lock slot

Yes1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p14 security-lock slot explicitly Kensington.

On-screen menu controlsiControls that operate the monitor menu or display settings. Desktop window-layout software alone does not count as menu control.

Joystick, Buttons2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 20265-way controller, Input key and Power button on the back. The wired S Switch is also included

Joystick, Software2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p14 joystick, pp79-86 AWCC Game/Display/PIP settings.

Desktop software

XL Setting to Share1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Dell Display Manager and Alienware Command Center (AWCC)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p16 compatibility and AWCC.

User firmware updates

Not available

Yes9Maker product pagedell.com/support/home/en-uk/drivers/driversdetailsRead 5 October 2026Exact AW2725DF maker firmware page, file Alienware_AW2725DF_FWUpdate_M3B105_Windows.exe. Download not executed. Firmware March 2026 adds HDR Peak 1000 Bright mode, not a launch hardware change.

Ambient light sensoriPresence of a physical ambient-light sensor. A regulatory statement that Automatic Brightness Control is unavailable does not prove the sensor is absent. Human presence or proximity sensing is separate.

Not available

No8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026General/Office Features explicitly absent.

Presence sensoriPresence of a person-detection or proximity sensor. Source notes distinguish room presence from near-screen detection. Absence of one kind does not prove absence of every presence sensor.

Not available

No8Measurementtftcentral.co.uk/reviews/dell-alienware-aw2725dfRead 5 October 2026General/Office Features explicitly no human motion sensor. Not inferred from EPREL alone.

RGB lightingiDecorative illumination explicitly described as RGB or documented with selectable red, green and blue colours. A power LED or only one or two fixed colours is insufficient.

No10Reviewtomshardware.com/monitors/gaming-monitors/benq-zowie-xl2566x-400-hz-25-inch-gaming-monitor-reviewRead 7 October 2026Only the power-toggle LED is present. Review explicitly says no other LED lighting.

Yes2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp53-56 three-zone AlienFX colors/RGB-code table.

Gaming menu features

Black eQualizer, Color Vibrance, Auto Game Mode1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Auto Game Mode comes with XL Setting to Share

Timer, Frame Rate, Display Alignment, Dark Stabilizer, Console Mode, AlienVision2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp47-49 named OSD functions.

OLED care

3 of 3 differ

OLED care

Not available

Pixel Refresh, Panel Refresh2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp65-66 Panel Maintenance. January manual thresholds not stored since later firmware can change behavior.

Burn-in covered by warrantyiWarranty explicitly covers permanent OLED image burn-in. A general panel warranty alone does not prove burn-in coverage.

Not available

Yes1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026U.S. Additional Warranty Information explicitly includes OLED burn-in.

Burn-in warranty length

Not available

3years1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Three-year Advanced Exchange and Premium Panel Exchange, including OLED burn-in.

Dimensions and weight

5 of 7 differ

Dimensions with standiOverall monitor dimensions with the supplied stand. Minimum and maximum heights require the stand position to be identified by the source.

Width576.15Height (lowest)362.3Height (highest)517.3Depth171.65mm(22.7 × 14.3 to 20.4 × 6.8 in)1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Published as 576.15x517.3(High)/362.3(Low)x171.65. Tom's Hardware and retailers list 208-209 mm depth. The maker value is kept

Width609.11Height (lowest)406.2Height (highest)516.2Depth243.69mm(24 × 16 to 20.3 × 9.6 in)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p21 stand compressed/extended heights.

Dimensions without standiOverall monitor body dimensions after the stand is removed, including the frame and rear housing.

Not available

Width609.11Height359Depth67.6mm(24 × 14.1 × 2.7 in)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p21 body dimensions.

Stand footprintiWidth and depth of the stand base on the desk. A maker's stand width and depth count.

Not available

Not available

Weight with standiWeight with the supplied stand. Source notes state if cables are included. Packaging weight is separate.

5.8kg(12.8 lb)1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Published as "Net Weight (kg) 5.8". Retailer avxperten lists 5800 g with stand, so net weight is read as with stand

6.7kg(14.8 lb)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p21 A00 manual 6.70 kg includes stand assembly and cables. Current maker page lists 6.30 kg. Manual prioritized with its explicit cable-included scope, no silent substitution.

Weight without standiMonitor body weight without stand. Source notes state whether cables are included.

3.6kg(7.9 lb)16Reviewjisakuhibi.jp/zowie-xl2566x-plusRead 7 October 2026Review overview explicitly gives 3.6 kg for monitor panel body without stand, versus 5.8 kg with stand. Published specification, no independent weighing method stated. Exact BenQ Japan supplied XL2566X+ sample.

4.3kg(9.5 lb)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p22 without stand and cables for VESA consideration.

Box dimensionsiShipping box width, height and depth in the maker published orientation. A flat-packed box can have a smaller height than the upright display.

Not available

Not available

Box weight

9.7kg(21.4 lb)1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Gross weight

9.97kg(22 lb)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p21 Weight with packaging.

Power

8 of 13 differ

Power supplyiUSB-C powered monitors can draw power from a compatible host or an optional USB-C power source. This does not establish a bundled adapter. Record a supplied adapter and its rating separately.

Internal1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

Internal6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p1 row 24.

Adapter ratingiRated output power of the external power adapter. Do not substitute the monitor maximum consumption.

Not available

Not available

Input voltage

100-240 V AC1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

100-240 V AC, 50/60 Hz2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p20 frequency tolerance ±3 Hz.

Power use (typical)iMaker typical operating power under a stated test condition. An unlabeled Power On upper bound does not establish a typical value. EU label test power has separate fields. An ENERGY STAR on-mode (Pon) figure is not a typical value.

Not available

Not available

Power use (max)iMaker maximum operating power. Source notes state whether USB charging and connected-device load are included.

65W1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026Published as "<65W"

130W2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p20 maximum brightness/contrast and all USB ports maximum load.

Power use SDR (EU label)iSDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

18.3W3EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1959872Read 30 September 2026

27.6W6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p1 row 4 EU On mode SDR, not generic typical power.

Power use HDR (EU label)iHDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

Not available

27.6W6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p1 row 6 EU On mode HDR.

Standby poweriPower in standby or DPMS. Source notes retain any less-than qualifier.

0.5W3EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1959872Read 30 September 2026

0.5W2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p20 EU 2019/2021 and 2019/2013 standby.

Off-mode poweriPower when switched off but still connected to mains. Source notes retain any less-than qualifier.

0.3W3EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1959872Read 30 September 2026

0.3W2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p20 EU 2019/2021 and 2019/2013 off.

EU energy class SDR

E3EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1959872Read 30 September 2026HDR energy class is listed as NA, so the HDR fields are left out

G6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p1 row 3.

EU energy class HDR

Not available

G6EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p1 row 5.

Energy per 1000 h SDR

18kWh4EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1959872.svgRead 30 September 2026Published energy label SDR kWh/1000h value, read directly from label.

28kWh7EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1833147.pdfRead 5 October 2026Printed label SDR 28 kWh/1000h, not computed from 27.6 W. Exact model verified visually.

Energy per 1000 h HDR

Not available

28kWh7EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1833147.pdfRead 5 October 2026Printed label HDR 28 kWh/1000h, exact model verified visually.

Certifications

2 of 9 differ

VESA ClearMR

Not available

Not available

VESA AdaptiveSync Display

Not available

Not available

TÜV certifications

Not available

Low Blue Light (Hardware Solution)2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p10 exact certification wording.

Low blue lightiHardware means a published panel-level hardware low-blue-light solution. Software means a selectable picture filter. Hardware does not require a selectable filter mode.

Software2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026Picture menu: Low Blue Light is an adjustable setting with levels 0-10.

Hardware2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026p10 TÜV Rheinland Hardware Solution, factory reset/default, ComfortView Plus. Earlier TFT review says no selectable blue-light modes, a different meaning.

ENERGY STAR

Not available

Not available

TCO Certified

Not available

Not available

EPEAT

Not available

Not available

Colour certifications

Not available

Not available

Other certifications

Not available

Not available

In the box

2 of 2 differ

In the box

LCD Monitor, Monitor Stand, Monitor Base, Quick Start Guide, Safety Instructions, Regulatory Statements, S Switch, Shields (Shading hood), Power Cord, Video Cable: DP, Video Cable: HDMI2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026Page 12-13. The manual says supplied items may differ by region

Display, Stand riser, Stand base, I/O cover, Power cable (varies by country), DisplayPort to DisplayPort 1.4 cable (1.80 m), USB-C to DisplayPort 1.4 cable (1 m), USB 3.2 Gen 1 upstream cable (1.80 m), Microfiber cloth, Quick Start Guide, Safety, Environmental, and Regulatory Information, Factory calibration report, Alienware Sticker2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp7-8 package contents. HDMI cable excluded, explicitly sold separately p14.

Cables includediCables supplied with the product. Count is included only when the source establishes it. Bundles can vary by market.

ABenQ ZOWIE XL2566X+

Type
DP 1.4 (1.8m)
HDMI 2.0 (1.8m)
Power Cable (1.8 m)

Source1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

BDell Alienware AW2725DF

Type	Count
Power cable	1
DisplayPort to DisplayPort 1.4 cable (1.80 m)	1
USB-C to DisplayPort 1.4 cable (1 m)	1
USB 3.2 Gen 1 upstream cable (1.80 m)	1

Source2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026pp7-8 pictured once each, current U.S. Package Contents explicitly 1 of each.

Warranty

1 of 2 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

3years7Retailer pageamazon.com/dp/B0D3JC9S9MRead 30 September 2026Item details: Warranty Description 3 Years Manufacturer. U.S. listing.

3years1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026U.S. limited warranty.

Dead pixel policy

US Full HD policy allows up to 2 bright subpixels, 5 dark subpixels and 5 total subpixel defects. Defects exceeding these limits are covered by the manufacturer warranty.13Maker product pagebenq.com/en-us/support/downloads-faq/faq/product/application/dead-pixel-policy.htmlRead 7 October 2026US general LCD monitor policy applies to FHD 1920x1080 models outside the listed PV/SW/PD Zero Bright Dot models. XL2566X+ is FHD and is not one of those named exceptions. Region-specific limits may differ. No zero-defect guarantee claimed.

Free panel replacement during the Limited Hardware Warranty if one bright pixel is found1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026U.S. Premium Panel Exchange policy.

Links

Not compared

Product page

zowie.benq.com/en-us/monitor/xl2566x-plus.html1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026

www.dell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-1Maker product pagedell.com/en-us/shop/monitors/apd/monitor-gamer-alienware-27-qdoled-aw2725df/aw2725df/-Read 5 October 2026Exact-model product page.

Spec sheet

zowie.benq.com/en-us/monitor/xl2566x-plus.html1Maker product pagezowie.benq.com/en-us/monitor/xl2566x-plus.htmlRead 7 October 2026The maker Specifications section is the opened exact-model specification sheet. It is an HTML table on the product page, not an invented PDF URL.

resource.ewe.rs/media/documents/2024/03/2024-03-12367075.pdf3Maker spec sheet (PDF)resource.ewe.rs/media/documents/2024/03/2024-03-12367075.pdfRead 5 October 2026Public retailer-hosted two-page Dell datasheet, fully opened. Footer says Internal Use - Confidential despite public publication. All substantive specs independently supported in manual/PDP.

Manual

esupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdf2Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026Shared XL Series manual (XL25X-EM-V4, 2025/06/24) that covers XL2540X+, XL2546X, XL2546X+, XL2566X+, XL2586X and XL2586X+

gzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdf2Owner's manualgzhls.at/blob/ldb/d/a/7/3/2def61645154b5769dfef165728519d39ce2.pdfRead 5 October 2026Dell January 2024 Rev A00 public mirror. Official dl.dell.com/manual84043186 returned 403. April 2024 manual is listed by Dell but its accessible public mirror PDF also returned 403. No access restriction bypass.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

19598722Owner's manualesupportdownload.benq.com/esupport/ESPORTS%20DISPLAY/UserManual/XL2540X+/UM_EN_250731185408.pdfRead 30 September 2026Page 3: "XL2566X+: 1959872"

18331476EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1833147_EN.pdfRead 5 October 2026p2 exact AW2725DF.

Both are also in the API. Back to all monitors.