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Acer KB242Y G0bi vs Lenovo ThinkVision P27Q-40

A

Product A: Acer

KB242Y G0bi

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B

Product B: Lenovo

ThinkVision P27Q-40

98 of 172 known

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Only differences

AAcer KB242Y G0bi

BLenovo ThinkVision P27Q-40

General

4 of 8 differ

Series

KB21Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Page breadcrumb Monitors, Essential, KB2.

ThinkVision P Series Gen 401Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026

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

KB242Y G0bi, KB242Y G0, UM.QK2AA.003, UM.QK2EE.0031Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Page header: Model KB242Y G0, Part UM.QK2AA.003. The page heading also reads KB242Y G0bi.3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Acer UK page titled KB2 - KB242Y G0 Tech Specs, part UM.QK2EE.003. Acer blocks automated fetching, so the page text was first read through a search tool and then confirmed in Arni's Chrome on 2026-10-21.

P27Q-40, 64A7GAR6UZ, 64A7, D25270QP02Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Actual dynamic exact PSREF identifies US/NA reference 64A7GAR6UZ and machine type 64A7. Matching actual guide/support overview names D25270QP0 and global platform 64A7GAR6WW. P27QD-40 is a separate docking model and is excluded.

GTIN / EAN

19513325934710Spec databaseupcitemdb.com/upc/195133259347Read 21 October 2026UPCitemdb lists UPC 195133259347 (EAN-13 0195133259347) for 23.8" Acer KB2 Essential Monitor - KB242Y G0BI, seen at the Acer Online Store. A search for part UM.QK2AA.003 returns the same UPC. The check digit is valid. This is the US part only, and no EAN for the UK part UM.QK2EE.003 was found.

01992715915982Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected reference publishes EAN 0199271591598 and corresponding UPC 199271591598.

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

Not available

7 January 20257Press releasenews.lenovo.com/pressroom/press-releases/lenovo-at-ces-2025-redefining-business-technology-with-bold-innovations-and-ai-powered-solutionsRead 8 October 2026Actual CES manufacturer announcement 7 January 2025 names P27Q-40 and the P Series Gen 40 lineup. Exact PSREF SKU record announce date 8 April 2025 is a later configuration-record date, not the first formal model announcement.

Status

Available2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Acer store page lists the monitor at 129.99 USD and In stock on the archived copy of 2026-03-09. ProductChart shows 79.99 USD at Amazon on 2026-10-20.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Price shown 79.99 USD at Amazon as of 2026-10-20.

Available1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Released exact US model with a current maker listing. Lifecycle status is separate from varying stock or delivery dates.

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

Not available

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.

Not available

Not available

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

US, GB, EU1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026US part number UM.QK2AA.003 with a US power cord.3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK part number UM.QK2EE.003.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026EU market per the EPREL entry.

US1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026

ColoursiThe maker's own colour names

Black2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Physical Characteristics Color: Black.

Eclipse Black2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

Office1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Sold in the Acer Essential monitor line, KB2 series. Stored as office.

Office1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Maker positions this model for professional office use and enterprise display-fleet management.

Display

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

23.8in(60.5 cm)1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Viewable Screen Size 23.8 inch. Screen Size Class 24 inch. The 23.8 inch figure is used because it is also the figure in the product name.

27in(68.6 cm)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

23.8in(60.5 cm)1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Viewable Screen Size 23.8 inch.

27in(68.6 cm)4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Guide publishes viewable diagonal 684.7 mm, also 27 in. Rounded 69 cm energy-label value is separate.

Native resolution

1920 × 1080px2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Screen: 23.8 inch Full HD (1920 x 1080). Screen Resolution 1920 x 1080. Acer blocks automated fetching, so the text was read from the Internet Archive copy of 2026-03-09.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Screen resolution 1 920 x 1 080 pixels.

2560 × 1440px2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF and actual guide repeatedly state 2560x1440. US maker marketing key-details bullet says 2560x1400, inconsistent with its QHD/16:9 identity and the exact technical documents. The technical native-resolution claim is retained without inventing a separate panel variant.

Aspect ratio

16:91Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Aspect Ratio 16:9. The US spec page gives no resolution, which is on the Acer store page.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Aspect Ratio 16:9.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Size ratio 16:9.

16:92Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Pixel density

92.6ppi=CalculatedFrom Screen size and Native resolution

108.8ppi=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.

0.275mm3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab, read in Arni's Chrome on 2026-10-21: Pixel Pitch 0.27500 mm. This agrees with a 23.8 inch 1920 x 1080 panel.

0.2331mm2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

Width526Height296mm(20.7 × 11.7 in)3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK page lists Active Display Area 526 x 296 mm, read through a search tool. The EPREL visible area of 15.6 dm2 agrees.

Width596.7Height335.7mm(23.5 × 13.2 in)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected view area 596.7x335.7 mm. Actual guide names maximum image width 596.7 mm and height 335.7 mm. Housing and screen-glass sizes are separate.

Curved

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table lists the model as not curved.

No2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF explicitly states Curvature None.

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

Not available

Not available

Screen surface

Matte1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Screen Surface: Anti-glare.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Matte.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists a matte anti-glare coating.

Matte2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF explicitly says Anti-glare surface treatment. This is the maker surface classification, not a measured haze or reflection percentage.

Anti-reflection coating

Anti-glare1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Screen Surface: Anti-glare.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists a matte anti-glare coating.

Anti-glare2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Touchscreen

Not available

Not available

Panel

10 of 31 differ

Panel type

IPS2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Panel Technology: In-plane Switching (IPS) Technology. IPS (178 x 178 degrees).

IPS2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

IPS2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Store headline names the panel IPS.

In-Plane Switching2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

Not available

Not available

Local dimming

Not available

Not available

Dimming zones

Not available

Not available

Panel maker

Not available

Not available

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

Not available

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

Not available

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.

Not available

10bits3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/ThinkVision/ThinkVision_P27Q_40_Monitor/ThinkVision_P27Q_40_Monitor_Spec.pdfRead 8 October 2026Explicit 10-bit support implemented as 8-bit plus FRC. Stored 10 is supported total depth per channel, not native 10-bit panel hardware.

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

Not available

FRC3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/ThinkVision/ThinkVision_P27Q_40_Monitor/ThinkVision_P27Q_40_Monitor_Spec.pdfRead 8 October 2026Maker explicitly publishes 8-bit+FRC implementation.

Displayable colours

16.7 million2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Color Supported: 16.7 million.

1.07 billion2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

99%7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists 99% sRGB colour saturation. The CIE diagram and whether it is coverage or volume are not stated.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists 99% sRGB.9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Listing title: sRGB 99%. No CIE diagram or method.

99%2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact reference states 99% sRGB. Maker datasheet identifies coverage ratio CIE 1931, separate from colour-area volume and reviewer measurements.

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

98%2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact reference states 98% DCI-P3. Maker datasheet identifies coverage ratio CIE 1976. No unreported measured gamut is substituted.

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

Yes2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected special features explicitly say Factory Calibration for sRGB and DCI-P3.

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

22Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Claimed average Delta E strictly less than 2 for sRGB and DCI-P3. Stored 2 is the claimed upper threshold, not an exact measured result or maximum-patch error. Formula is not published.

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

Yes1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Exact selected US box explicitly lists Factory Calibration Report. This is corroborated by the maker datasheet, separate from the claimed factory colour-error threshold.

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

Not available

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.

1,500:13Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026UK page lists Native Contrast Ratio 1,500:1, read through a search tool. ProductChart also lists 1500:1. Acer US lists only the 100,000,000:1 dynamic figure.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Contrast Ratio 1500:1.

1,500:12Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected 1500:1 contrast, explicitly typical in the datasheet. Separate dynamic 3000000:1 claim is excluded.

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

250nits1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Brightness 250 Nit. The conditions are not stated.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Brightness 250 Nit.

350nits2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Maker standard white-brightness rating 350 cd/m² in exact selected PSREF and datasheet. This normal display claim has no published window, brightness control or test mode. It is not labelled as an HDR peak or a reviewer measurement.

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

Not available

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

Not available

HDR formats

Not available

HDR102Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

Not available

Not available

Viewing angle (horizontal)

178°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Horizontal Viewing Angle 178 degrees.

178°2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Viewing angle (vertical)

178°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Vertical Viewing Angle 178 degrees.

178°2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Refresh rate and motion

9 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.

AAcer KB242Y G0bi

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

Resolution	HDMI 1.4	VGA
1920 × 1080Native	120Hz	75Hz

Source2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Standard Refresh Rate: 120Hz Using HDMI Port; 75Hz Using VGA. Bit depth, chroma and DSC are not stated.

BLenovo ThinkVision P27Q-40

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

Resolution	HDMI 2.1
2560 × 1440Native	120Hz

Source4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Exact selected PSREF and maker datasheet explicitly state HDMI 2.1 TMDS supports 2560x1440 at 120 Hz. Actual factory mode table corroborates. DP120 preset is listed, but a separately explicit per-DP maximum is not published, so it is not inferred solely from that table. Chroma, bit-depth and DSC requirements are not named.

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

120Hz=CalculatedFrom Refresh rate per resolution and port

120Hz=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.

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

120Hz=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.

Not available

Not available

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

120Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

120Hz=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.

120Hz2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026120 Hz over HDMI. No overclock mode is described.

120Hz4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Highest factory-optimized native-resolution mode is 2560x1440 at 120 Hz in Table 2-4. No OC activation is required in the published operating controls. Guide separately recommends QHD60 as preferred Native Resolution Display mode. Preferred/default timing is not the maximum standard rate.

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-Sync7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists Adaptive-Sync support (FreeSync Compatible). No FreeSync certification tier is named, so only Adaptive-Sync is stored.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page lists Adaptive-Sync support, compatible with AMD FreeSync.9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Listing title: AdaptiveSync (FreeSync Compatible).

HDMI VRR5Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/ThinkVision_P27Q-40_datasheet_EN.pdfRead 8 October 2026Datasheet footnote explicitly states VRR as specified in HDMI 2.1 and DRR for Microsoft Windows. Exact guide VRR menu is Auto/Off only on HDMI 2.1 source. No AMD/NVIDIA or VESA named certification is inferred from generic PSREF Sync Technology None.

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.

AAcer KB242Y G0bi

Not available

BLenovo ThinkVision P27Q-40

Input	Min (Hz)	Max (Hz)
HDMI	24	120

Source5Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/ThinkVision_P27Q-40_datasheet_EN.pdfRead 8 October 2026Maker explicit 24-120 Hz HDMI 2.1 VRR claim, with Windows DRR power-saving behavior separately stated. Guide VRR Auto must be enabled on HDMI input. General vertical scan range alone is not the source. No DP Adaptive-Sync range or measured floor is inferred.

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

4ms2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF explicitly states 4 ms GtG Extreme and 6 ms GtG Typical. Datasheet labels 4 Extreme/6 Normal. Stored 4 ms is the fastest maker claim, not measured average response time.

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

1ms1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Response Time 1 ms. The Acer store page headlines it as 1 ms. Reviews describe it as Visual Response Boost (VRB), a blur-reduction mode, so it is stored as the MPRT-style figure. No grey-to-grey figure is published.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Response Time 1 ms. Treated as the VRB figure, see the US page note.

Not available

Overdrive settings

Not available

Off, Normal, Extreme4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Guide response table names Off 14 ms, Normal 6 ms and Extreme 4 ms. HDR mode can disable overdrive selection. These are claims, not measured response or input latency.

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

Yes8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page describes the 1 ms figure as based on VRB backlight strobing, not native grey-to-grey transitions.

Not available

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

Visual Response Boost (VRB)7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists 1ms Visual Response Boost (VRB).8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page names Visual Response Boost (VRB).

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.

Not available

Not available

Flicker-free (claimed)

Yes9Retailer pageamazon.com/Acer-23-8in-1920x1080-Office-Monitor/dp/B09KG5FW1GRead 20 October 2026Amazon US listing title: Flickerless Technology. The product image from Acer also says Flicker-free Monitor. Acer's own spec tables do not state it.

Not available

Black frame insertion

Not available

Not available

Measured

None of 12 known

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

Not available

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

Not available

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.

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

Not available

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

11 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.

AAcer KB242Y G0bi

Type	Version	Count
HDMI	1.4	1
VGA	Not available	1

Source1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026HDMI: Yes, HDMI Version 1.4, Total Number of HDMI Ports 1, VGA: Yes. Bandwidth, DSC and HDCP are not stated.2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Inputs: HDMI, VGA. HDMI Version 1.4.

BLenovo ThinkVision P27Q-40

Type	Version	Count	Max bandwidth (Gbps)
HDMI	2.1	1	Not available
DisplayPort	1.4	1	21.6

Source2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026One HDMI 2.1 TMDS input and one DP 1.4 HBR2 input. Published DP raw maximum 21.6Gbps is stored, not the nominal full HBR3 rate or usable image payload. Separate DP 1.4 output is excluded from input count. USB-C is data/peripheral charging only.

HDMI ports

1=CalculatedFrom Video inputs

1=CalculatedFrom Video inputs

DisplayPort ports

0=CalculatedFrom Video inputs

1=CalculatedFrom Video inputs

Highest HDMI version

1.4=CalculatedFrom Video inputs

2.1=CalculatedFrom Video inputs

Highest DisplayPort version

Not available

1.4=CalculatedFrom Video inputs

HDMI features

Not available

VRR5Maker spec sheet (PDF)psrefstuff.lenovo.com/syspool/Sys/PDF/datasheet/ThinkVision_P27Q-40_datasheet_EN.pdfRead 8 October 2026Exact maker datasheet and guide explicitly support HDMI 2.1 VRR. Multi-sync is merely copy/mirroring of display settings between daisy-chained monitors, not an adaptive-sync certification.

USB-C video (DP Alt Mode)

Not available

No2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact USB-C port is explicitly data transfer only and downstream. It does not accept DisplayPort Alt Mode video.

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

15W2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Maximum 15 W from the data-only USB-C peripheral port. This is not a laptop-facing docking/video port. Actual delivery may decrease with connected downstream devices or higher brightness. P27QD-40 140 W charging is not transferred.

Thunderbolt

Not available

Not available

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

AAcer KB242Y G0bi

Not available

BLenovo ThinkVision P27Q-40

Connector	USB version	Count
USB-B	USB 5Gbps / USB 3.2 Gen 1	1

Source2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026One dedicated USB-B 5Gbps host link. No USB-C host-facing video or docking port is declared for this selected non-docking model.

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.

AAcer KB242Y G0bi

Not available

BLenovo ThinkVision P27Q-40

Connector	USB version	Count
USB-A	USB 5Gbps / USB 3.2 Gen 1	3
USB-C	USB 5Gbps / USB 3.2 Gen 1	1

Source2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Three USB-A 5Gbps downstream ports including one BC1.2, and one USB-C 5Gbps downstream port. No duplicate role-alternating counts.

KVM switch

Not available

Not available

Daisy chain (MST)

Not available

Yes4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Guide explicitly describes DP output daisy chaining through a single host DisplayPort. It recommends QHD60 for two-monitor operation. Source GPU/HDR settings can affect the second screen. This is not an unconditional two-panel 120 Hz or macOS expanded-desktop guarantee.

Ethernet

Not available

Not available

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

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Headphone out No. Acer lists only HDMI and VGA inputs.

Not available

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

Not available

Optical out

Not available

Not available

Picture in picture

Not available

Not available

Picture by picture

Not available

Not available

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

No6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: Speakers No. Lim Team also says there are no built-in speakers.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review of 6 August 2025: lacks built-in speakers.

No3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/ThinkVision/ThinkVision_P27Q_40_Monitor/ThinkVision_P27Q_40_Monitor_Spec.pdfRead 8 October 2026Maker explicitly states No speakers, with separately sold MS30 soundbar support. Modular speaker support does not establish integrated speakers.

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

Not available

Not available

Microphone

Not available

No2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected reference explicitly says Microphone None. Optional MC60 camera can have its own microphones but is not in this selected bundle.

Ergonomics and controls

10 of 15 differ

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

0mm7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review cons: limited ergonomic adjustment with only tilt (-5 to 25 degrees).8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: tilt adjustment only, no height adjustment.

155mm2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

Forward5°Backward25°2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Tilt Angle -5 to 25 degrees. Stored as 5 forward and 25 backward.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review lists tilt adjustment -5 to 25 degrees.

Forward5°Backward23.5°2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

Left0°Right0°7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Tilt-only stand, no swivel.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: no swivel.

Left45°Right45°2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

Counterclockwise0°Clockwise0°7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Tilt-only stand, no pivot.8Reviewreview-rating.com/en/product/acer-kb242y-g0bi-23-8-monitor-74496Read 20 October 2026Page: no pivot.

Counterclockwise90°Clockwise90°2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Removable stand

Not available

Yes4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Actual detaching instructions and stand-release button explicitly support removing the supplied stand.

VESA mount

100 x 1002Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026VESA Mount Compatible: Yes. VESA Mount Standard 100 x 100.6Spec databaseproductchart.com/monitors/51566Read 20 October 2026Spec table: VESA mountable.

100 x 1004Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026

VESA adapter needed

Not available

No4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Guide directly attaches a compatible separately sold 100x100 mm VESA bracket to built-in holes after stand removal. No model-specific adapter is required. ThinkCentre Tiny mounting kit is a separate PC-attachment accessory.

Security lock slot

Yes3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab Features list: On-screen Display (OSD), Navigation Key, VisionCare 1.0, Display Widget, Security Lock. Security Lock is read as a lock slot. The slot type is not named.

Yes4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Exact PSREF names Kensington Nano slot 2.5x6 mm, and guide describes the security-cable slot. Cable lock itself is not in the bundle.

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

Not available

Buttons, Software4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Guide names directional function controls and input-source button for OSD. Separate power button is excluded. Model-specific LDFM maker description explicitly supports centralized monitor settings control, distinct from desktop window tiling.

Desktop software

Display Widget3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab Features list names Display Widget. The software name is stored as Acer prints it.

Lenovo ThinkColour (Lenovo Accessories and Display Manager) and Lenovo Display Fleet Manager2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact reference identifies ThinkColour/LADM and LDFM. Host functions vary between Windows 10/11 and macOS. These are external host tools, not an embedded Windows smart-monitor OS.

User firmware updates

Not available

Yes1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Model-specific US overview explicitly identifies Lenovo Display Fleet Manager for efficient firmware upgrades and centralized settings control. Compatible host/software and administration requirements apply. A displayed firmware version alone is not the evidence.

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

Not available

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

No6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Exact public registry explicitly declares presence sensor No. ABC No does not establish absence of an ambient sensor. Microphone None comes from exact US PSREF, not registry voice-sensor No.

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.

Not available

Not available

Gaming menu features

Not available

Not available

OLED care

None of 3 known

OLED care

Not available

Not available

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

Not available

Burn-in warranty length

Not available

Not available

Dimensions and weight

6 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.

Width538.7Height (lowest)424.2Height (highest)424.2Depth184.9mm(21.2 × 16.7 × 7.3 in)2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Published in inches: height with stand 16.7, width with stand 21.21, depth with stand 7.28. Converted exactly and rounded to 0.1 mm. The stand is tilt-only, so lowest and highest heights are equal. Amazon style listings show a depth of 4.53 inch, which Acer does not state. Acer wins.

Width613.6Height (lowest)384.2Height (highest)539.2Depth195mm(24.2 × 15.1 to 21.2 × 7.7 in)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Current exact reference names WxDxH lowest 613.6x195x384.2 mm and highest 613.6x195x539.2 mm. Older general guide/support table gives 539.25 mm. Current exact claim is used. The small document difference is retained without a hardware-change explanation.

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

Not available

Width613.6Height357.1Depth46mm(24.2 × 14.1 × 1.8 in)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Current exact named Head Only WxDxH 613.6x46x357.1 mm. Stand-component geometry is separate.

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.

2.6kg(5.7 lb)2Maker product pageweb.archive.org/web/20260309115149/https://store.acer.com/en-us/23-8-acer-kb2-essential-monitor-kb242y-g0biRead 20 October 2026Published as Weight with Stand (Approximate) 5.73 lbs, which is 2.6 kg. Cables are not stated. Amazon style listings show 7.72 lbs, which Acer does not state. Acer wins.

6.4kg(14.1 lb)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Current exact reference states approximate 6.4 kg Monitor With Stand. Older general guide/support states 6.46 kg unpacked. Current exact claim takes precedence. No cause or cable-weight assumption is added.

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

Not available

4.3kg(9.5 lb)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Current exact reference names Monitor Head Only 4.3 kg, separate from total assembled monitor 6.4 kg.

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

Width693Height420Depth150mm(27.3 × 16.5 × 5.9 in)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Current exact named packed WxDxH 693x150x420 mm. Axes are preserved in the stored object.

Box weight

Not available

9.2kg(20.3 lb)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Power

9 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.

External adapter4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Power supply type External. Adapter model 1-CHEUB202-158, input 230 V, output 12.0 V. The adapter wattage is not stated.7Reviewlimteam.net/acer-kb242y-g0bi-23-8-ips-full-hd-monitor-review-a-long-term-users-perspectiveRead 20 October 2026Review: relies on an external power brick.

Internal2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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

Not available

Not available

Input voltage

Not available

Not available

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

15W2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF explicitly states 15 W typical, corroborated by actual guide and datasheet. Manufacturer describes monitor and power supply combined. EU SDR demand is a separate declared test value even though also 15 W.

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

30W3Maker product pageacer.com/gb-en/monitors/essential/kb2/pdp/UM.QK2EE.003Read 21 October 2026Tech Specs tab: Maximum Power Consumption (Energy Star) 30 W. The 27 inch KB272 G0 page lists the same 30 W. The figure is above the 18 W EPREL SDR on-mode power. Whether USB or other load is included is not stated.

75W2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected PSREF explicitly states 75 W maximum, corroborated by guide at maximum luminance. Manufacturer describes monitor and power supply combined. USB-load allocation is not separately published, so peripheral output is not added to invent another total.

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.

18W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026On mode power demand in SDR 18.0 W.

15W6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Declared EU On-mode SDR 15 W at reference default 60 Hz. Exact maker typical power also 15 W uses its separate published definition. Not a measured 120 Hz result.

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

19.2W6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Declared EU On-mode HDR 19.2 W. Rounded label 19 kWh/1000h is separate.

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

0.5W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Standby mode power demand 0.5 W. Networked standby not applicable. The Acer UK page lists standby 300 mW, which matches the EPREL off mode figure. EPREL is stored.

0.5W6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Exact EU declaration 0.5 W standby. Maker claims less than 0.5 W sleep/standby. The stored value is the registry declaration, not a measured probe result.

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

0.3W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Off mode power demand 0.3 W.

0.3W6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Exact EU declaration 0.3 W off. Maker claims less than 0.3 W switch-off. The stored value is the registry declaration, not a measured result.

EU energy class SDR

E4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Energy class E for SDR. HDR not implemented.

D6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Read actual publicly linked automatic EPREL label 2213054, showing class D. Site also offers a supplier-uploaded label whose download was inaccessible. That alternate label is not claimed as read. Maker exact PSREF corroborates SDR class D.

EU energy class HDR

Not available

E6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Actual public automatic label shows class E for HDR. Supplier alternate upload was not accessible and is not claimed as read.

Energy per 1000 h SDR

18kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2063658.svgRead 20 October 2026EU label SDR value 18 kWh per 1000 h.

15kWh6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Actual public automatic label states 15 kWh/1000h.

Energy per 1000 h HDR

Not available

19kWh6EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Actual public automatic label states 19 kWh/1000h. No retailer 19.2 kWh figure or calculated rounding is substituted.

Certifications

6 of 9 differ

VESA ClearMR

Not available

Not available

VESA AdaptiveSync Display

Not available

Not available

TÜV certifications

Not available

TÜV Rheinland Eye Comfort, 5-star, TÜV Rheinland Low Blue Light (Hardware Solution)2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

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.

Not available

Hardware2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

ENERGY STAR

Not available

Yes2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

TCO Certified

Not available

TCO Certified 10 and TCO Certified Edge 2.12Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

EPEAT

Not available

Gold2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

Colour certifications

Not available

Not available

Other certifications

Not available

Eyesafe Display 2.0, RoHS compliant, Volatile Organic Compound Certification2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026

In the box

2 of 2 differ

In the box

1 x KB242Y G0 Widescreen LCD Monitor, 1 x Power Cord (US), 1 x HDMI Cable1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Package Contents: 1 x KB242Y G0 Widescreen LCD Monitor, 1 x Power Cord (US), 1 x HDMI Cable. The EPREL sheet says the external power supply is included in the box, but the Acer list does not name it.

Monitor with stand, Power cable, DisplayPort 1.4 cable, HDMI 2.0 cable, USB-A to USB-B cable, Factory Calibration Report, Quick setup guide2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact US maker box and selected PSREF confirm base monitor, four cables, quick guide, and maker box explicitly adds calibration report. MC60 external webcam is optional and absent from this selected base bundle. No P27QD docking cable or camera/soundbar is transferred.

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

AAcer KB242Y G0bi

Type	Count
AC power cord	1
HDMI	1

Source1Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026US power cord and one HDMI cable from the package contents. No VGA or DisplayPort cable.

BLenovo ThinkVision P27Q-40

Type	Count
Power cable	1
DisplayPort 1.4 cable	1
HDMI 2.0 cable	1
USB-A to USB-B cable	1

Source2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026One 1.8 m power, DP 1.4, HDMI 2.0 and USB-A-to-B Gen 1 cable are published for this US reference. HDMI cable version is not the monitor input version. WL-region exclusion of power cable does not apply to selected US UZ reference.

Warranty

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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.

2years4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026Minimum duration of the general guarantee offered by the supplier is 2 years. This is the EU term. Acer US lists a three-year limited warranty for monitors, so the term differs by market. See the Acer US Limited Warranty page.

3years2Maker product pagepsref.lenovo.com/Detail/ThinkVision_P27Q_40Read 8 October 2026Exact selected US reference publishes 3-year limited warranty. Optional paid Premier Support upgrade is separate.

Dead pixel policy

Not available

Pixel Perfect Guarantee: free panel replacement under the ThinkVision monitor warranty when one bright pixel is found, subject to applicable country terms.1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Exact US page Pixel Perfect Guarantee gives panel replacement for one bright pixel under the ThinkVision warranty. It identifies P/T Gen 40 and says service can vary by country. No dark-pixel threshold is invented.

Links

Not compared

Product page

www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.0031Maker product pageweb.archive.org/web/20251005075556/https://www.acer.com/us-en/monitors/essential/kb2/pdp/UM.QK2AA.003Read 20 October 2026Acer US product page. Acer blocks automated fetching, so the text was read from the Internet Archive copy of 2025-10-05.

www.lenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uz1Maker product pagelenovo.com/us/en/p/accessories-and-software/monitors/professional/64a7gar6uzRead 8 October 2026Actual selected US product page redirects the office URL to this professional URL and explicitly identifies part 64A7GAR6UZ.

Spec sheet

Not available

psref.lenovo.com/syspool/Sys/PDF/ThinkVision/ThinkVision_P27Q_40_Monitor/ThinkVision_P27Q_40_Monitor_Spec.pdf3Maker spec sheet (PDF)psref.lenovo.com/syspool/Sys/PDF/ThinkVision/ThinkVision_P27Q_40_Monitor/ThinkVision_P27Q_40_Monitor_Spec.pdfRead 8 October 2026Actual June 17 2026 six-page manufacturer PSREF read alongside exact selected US reference. Regional external-camera bundle options are distinguished.

Manual

Not available

download.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdf4Owner's manualdownload.lenovo.com/consumer/monitor/thinkvision_p27q_40_english_user_guide_20250214.pdfRead 8 October 2026Actual exact P27Q-40 User Guide, First Edition February 2025, machine 64A7/D25270QP0, read setup, ports, daisy chaining, menus, factory modes, mounting and electrical specifications.

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.

20636584EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2063658_EN.pdfRead 20 October 2026EPREL registration number 2063658, model identifier KB242Y G0. The Acer UK page lists EPREL No. 2063660, which the EPREL API does not know (not found on 2026-10-21), so the number from the EPREL sheet is stored.

22130546EU energy label (EPREL)eprel.ec.europa.eu/screen/product/electronicdisplays/2213054Read 8 October 2026Actual public registry identifies Lenovo P27Q-40(D25270QP0), exact regulatory model from the guide, 27-inch 2560x1440 LED LCD. Registered EU values are separate from selected US bundle/warranty.

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