Monitors / Compare

ASUS ROG Swift OLED PG34WCDM vs CORSAIR Xeneon 27QHD240 OLED

A

Product A: ASUS

ROG Swift OLED PG34WCDM

109 of 172 known

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B

Product B: CORSAIR

Xeneon 27QHD240 OLED

88 of 172 known

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All 172 fields

Every value links to where we found it.

Only differences

AASUS ROG Swift OLED PG34WCDM

BCORSAIR Xeneon 27QHD240 OLED

General

5 of 8 differ

Series

ROG Swift OLED1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Xeneon1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Product name XENEON 27QHD240 OLED.

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

PG34WCDM1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

CM-9030002-NA, CM-9030002-PE, CM-9030002, RDD00232Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Part Number CM-9030002 and Device RDD0023. The US page lists SKU CM-9030002-NA. The EU declaration of conformity names model RDD0023.3Maker product pagecorsair.com/eu/en/p/monitors/cm-9030002-pe/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-peRead 10 October 2026EU store page lists SKU CM-9030002-PE with the same Tech Specs table as the US page.4Regulatory filingassets.corsair.com/image/upload/v1786601145/downloads-prod/CE-000561.pdfRead 10 October 2026EU declaration of conformity CE-000561, dated 30 May 2023, names product Monitor, model RDD0023.

GTIN / EAN

Not available

Not available

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

Not available

March 20237Press articletftcentral.co.uk/news/corsair-xeneon-27qhd240-oled-27-monitor-with-240hz-announcedRead 10 October 2026TFTCentral news of 24 March 2023 says Corsair announced the monitor that week at PAX East. The exact day is not given.

Status

Not available

Available1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Current US product page lists the model with a Best Seller tag and firmware V106 downloads. Stock was not checked.

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.

Not available

US, EU, GB1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026US store page with SKU CM-9030002-NA. The page also links an EU declaration of conformity (CE-000561) and a UKCA declaration (UKCA-000283).3Maker product pagecorsair.com/eu/en/p/monitors/cm-9030002-pe/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-peRead 10 October 2026Corsair EU store page, with a UK store page using the same SKU.4Regulatory filingassets.corsair.com/image/upload/v1786601145/downloads-prod/CE-000561.pdfRead 10 October 2026EU declaration of conformity CE-000561 for model RDD0023 with an EU authorised representative in the Netherlands.

ColoursiThe maker's own colour names

Dark grey2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Not available

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

Gaming1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Gaming1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Maker title: gaming monitor.

Display

10 of 12 differ

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

34in(86.4 cm)3Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdmRead 5 October 2026Exact feature headline advertises 34-inch class, separate from the 33.94-inch panel.

27in(68.6 cm)2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Panel Size 27 inch diagonal. TFTCentral says the panel is 26.5 inches.

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

33.94in(86.2 cm)1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Tech specs and manual give 33.94 inches. Feature headline uses 34-inch class.

26.5in(67.3 cm)7Press articletftcentral.co.uk/news/corsair-xeneon-27qhd240-oled-27-monitor-with-240hz-announcedRead 10 October 2026Announcement: 26.5 inch sized screen. The maker publishes a 27 inch class size.

Native resolution

3440 × 1440px1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

2560 × 1440px2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Native Resolution 2560 x 1440 at 240Hz.

Aspect ratio

21:91Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

16:92Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Aspect Ratio 16:9.

Pixel density

109.7ppi=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.

0.231mm1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Maker 0.231 mm. The small raster difference fits three-decimal pitch rounding. No extra precision is inferred.

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.

Width795.33Height332.93mm(31.3 × 13.1 in)1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Maker published display viewing area 795.33 x 332.93 mm, distinct from external body dimensions. The curved panel viewing-area width can exceed its enclosure chord width.

Not available

Curved

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Not available

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

800mm1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Not available

Screen surface

Matte4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026

Matte1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Anti-glare section: a QWP polarizing matte non-reflective display. Tom's Hardware calls it semi-matte.

Anti-reflection coating

Anti-Glare1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Non-Glare2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Display Surface Non-Glare.

Touchscreen

Not available

Not available

Panel

11 of 31 differ

Panel type

WOLED1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

WOLED6Reviewpcmonitors.info/corsair/corsair-xeneon-27qhd240-240hz-qhd-oled-with-hdmi-2-1Read 10 October 2026PC Monitors listing of 23 March 2023: a 26.5 inch 2560 x 1440 LG Display WOLED panel with an RWBG subpixel layout.7Press articletftcentral.co.uk/news/corsair-xeneon-27qhd240-oled-27-monitor-with-240hz-announcedRead 10 October 2026Announcement: Corsair, LG and Asus 26.5 inch 240Hz monitors are all built around a WOLED panel from LG.Display. Corsair names it OLED META technology engineered by LG Display.

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

WOLED1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

OLED2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Panel Technology OLED.

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.

None (self-emissive)3Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdmRead 5 October 2026Exact self-emissive WOLED panel.

None (self-emissive)2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OLED panel, each pixel is self-lit.

Local dimming

Not available

Not available

Dimming zones

Not available

Not available

Panel maker

LG Display4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026

LG Display1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Page: OLED META Technology engineered by LG Display.

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

META1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Page: OLED META technology. TFTCentral says Corsair is the first to promote the META generation with MLA.

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

RWBG6Reviewpcmonitors.info/corsair/corsair-xeneon-27qhd240-240hz-qhd-oled-with-hdmi-2-1Read 10 October 2026PC Monitors listing: LG Display WOLED panel with an RWBG subpixel layout. Corsair does not publish the layout.

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.

10bits1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

10bits2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: 1.07B colors (10bit RGB).

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

Native3Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdmRead 5 October 2026Exact feature text states true 10-bit colour.

Native5Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Review: both the Corsair and the Asus PG27AQDM panels have native 10-bit color.

Displayable colours

1.07 billion1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Maker 1073.7M is normalised to 1.07 billion by the field convention.

1.07 billion2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: 1.07B colors.

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.

Not available

100%2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Color Gamut (CIE 1976) 98.5% (DCI-P3), 100% (sRGB).

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

99%1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Maker 99% DCI-P3. CIE reference is unstated. Separate 135% sRGB volume is omitted.

98.5%2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Color Gamut (CIE 1976) 98.5% (DCI-P3).

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

Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Factory sRGB calibration explicitly confirmed by the included report. Default wide-gamut accuracy is separate.

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OSD Picture menu: the Standard and Creative presets are described as factory calibrated. Tom's Hardware says the sample needed no calibration.

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.

21Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Current maker Delta E <= 2. Earlier launch release says < 2. Current inequality retained.

Not available

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.

Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Exact review physically identifies the calibration report provided in the box.

Not available

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

No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Calibration section explicitly states no hardware calibration. Ordinary controls or computer profiling are separate.

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.

1,500,000:11Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

1,500,000:12Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Static Contrast Ratio 1,500,000:1.

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

Not available

Not available

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.

1,300nits1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Current maker HDR peak 1300 nits, with stimulus, mode and duration unstated. Earlier TFT review reports ASUS temporarily removed or limited the panel 1300-nit claim by about 10%. Current specification retained with that firmware-era conflict qualified.

1,000nits2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: 1000 nit (HDR 3%). The page says 1,000 nit at 3% APL and 800 nit at 10% APL.

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

3%1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Tech Specs: 1,000 nit @ 3% APL. Published as average picture level, not as a window size.

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

HDR101Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

HDR105Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Spec table: HDR10.

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.

DisplayHDR True Black 4001Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

None1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Tech Specs: HDR Certification None.

Viewing angle (horizontal)

178°1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

178°2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Viewing Angles 178 (H).

Viewing angle (vertical)

178°1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

178°2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Viewing Angles 178 (V).

Refresh rate and motion

7 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.

AASUS ROG Swift OLED PG34WCDM

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

Resolution	HDMI 2.1	DisplayPort 1.4	USB-C	Port not listed
3440 × 1440Native	240Hz	240Hz	240Hz	180Hz8-bit

Source4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Native capabilities table gives DP 240 Hz and HDMI 240 Hz on RTX 4090, versus HDMI 180 Hz on RTX 3090/3080. Profesional Review RTX 4080 also found 180 Hz. HDMI maximum requires a compatible GPU and driver. Bit depth, chroma and compression state at 240 Hz remain unproved. Lower-resolution and downscaled console 4K maxima are not transferred. DSR section explicitly verifies a native maximum 180 Hz at 8-bit with DSC off. Its input is unstated and stays unknown in that separate row.6Reviewigorslab.de/en/asus-rog-swift-pg34wcdm-in-test-woled-in-standard-219-ultrawide-format/2Read 5 October 2026Exact review states native 240 Hz via USB-C, HDMI and DP. USB bandwidth mode and colour/compression settings are unstated. This source backs the USB-C 240 Hz maximum.

BCORSAIR Xeneon 27QHD240 OLED

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

Resolution	HDMI 2.1	DisplayPort 1.4	USB-C
2560 × 1440Native	240Hz	240Hz	240Hz

Source2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1 states native 2560 x 1440 at 240 Hz and Table 2 marks 240 Hz on HDMI and on DP/Type-C. The USB-C Alt Mode setting must be 4-lane for 2560 x 1440 at 240 Hz. 2-lane mode allows up to 2560 x 1440 at 60 Hz and USB-A at USB 3.0 speed. Tom's Hardware says the DisplayPort 1.4 input uses DSC. Bit depth and chroma are not stated.

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

240Hz=CalculatedFrom Refresh rate per resolution and port

240Hz=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.

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

240Hz=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.

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

240Hz=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

240Hz=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.

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

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

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.

240Hz1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

240Hz2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Native Resolution 2560 x 1440 at 240Hz.

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-Sync, FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

FreeSync, G-SYNC Compatible2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: NVIDIA G-Sync Compatible Certified and AMD FreeSync Certified. G-Sync is available over DisplayPort or USB-C Alt Mode.

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.

AASUS ROG Swift OLED PG34WCDM

Input	Min (Hz)	Max (Hz)
HDMI	40	240
DisplayPort	40	240

Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Gaming 3-2 explicitly gives HDMI and DP VRR 40-240 Hz. Power Saving defaults to 60 Hz. VRR cannot run with PIP/PBP, ELMB or aspect control.

BCORSAIR Xeneon 27QHD240 OLED

Not available

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.

0.03ms1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

0.03ms2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Response Time (GtG) 0.03ms.

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

Not available

Not available

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

Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Directly tested scaler BFI via ELMB, fixed 120 Hz and SDR only. Cannot operate with VRR, HDR or 16:9 aspect control.

Not available

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

ELMB4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 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.

No4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026

Not available

Flicker-free (claimed)

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Flicker-Free Yes.

Black frame insertion

Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Oscilloscope verified one black frame at 50:50 duty cycle, fixed 120 Hz, every 8.33 ms. No OLED backlight strobing is inferred.

Not available

Measured

5 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.

0.25ms4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Native maximum 240 Hz total display lag 0.25 ms includes half average oscilloscope GtG. Processing-only 0.13 ms is not stored. Test GPU RTX 3090. Exact firmware, input connector and picture mode are unstated.

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.

2.2ms4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Fixed 60 Hz total display lag 2.2 ms uses the overall lag plus pixel-response method. Exact firmware, mode, input and resolution are not separately stated.

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.

0.48ms4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Response section explicitly gives mean 0.48 ms GtG at 240/120/60 Hz and VRR using the improved perceived-gamma-corrected method. Exact firmware build and input for this result are unstated. This differs from the fastest maker 0.03 ms claim.

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.

260nits4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Review reports approximately 260 nits maximum with Uniform Brightness on across window sizes, Standard power mode and maximum brightness. Exact firmware and input are unstated. UB-off 423 nits is a different condition.

412nits5Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Brightness and Contrast page: uncalibrated, maximum backlight, a 25 percent window reads over 412 nits. A full field measured 192.5 nits. The maker publishes 450 nit as SDR peak brightness with no window size, which is not stored as a typical value. Firmware is not stated and the review predates firmware V104.

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.

44Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Default native wide-gamut SDR compared with sRGB, mean Delta E 2000 4.0 before user calibration. Standard power mode is used. This is separate from factory sRGB mode 1.2 and the maker calibration claim. Exact firmware and input are unstated.

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

5 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.

AASUS ROG Swift OLED PG34WCDM

Type	Version	Count	DSC
DisplayPort	1.4	1	Yes
HDMI	2.1	2	Not available
USB-C	Not available	1	Not available

Source1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

BCORSAIR Xeneon 27QHD240 OLED

Type	Version	Count	DSC
HDMI	2.1	2	Not available
DisplayPort	1.4	1	Yes
USB-C	DP Alt Mode 1.4	1	Not available

Source2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: 2x HDMI 2.1, 1x DisplayPort 1.4, 1x USB-C DisplayPort 1.4 (USB-C Alt Mode). Tom's Hardware and PC Monitors both say the DisplayPort input uses DSC. HDMI 2.1 features and bandwidth are not published.

HDMI ports

2=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

DisplayPort ports

1=CalculatedFrom Video inputs

1=CalculatedFrom Video inputs

Highest HDMI version

2.1=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

Not available

USB-C video (DP Alt Mode)

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: USB-C input is DisplayPort 1.4 (USB-C Alt Mode).

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.

90W1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

65W2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: USB-C Input with 65W Power Delivery.

Thunderbolt

Not available

Not available

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

AASUS ROG Swift OLED PG34WCDM

Connector	Count
USB-B	1
USB-C	1

Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Specifications 3-16 identifies Type-B and Type-C host paths. Numbered upstream USB revision is not stated and is not inferred from downstream branding.

BCORSAIR Xeneon 27QHD240 OLED

Connector	USB version	Count
USB-C	3.1 Gen 1	2

Source2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Connectivity: the Type-C Alt DP port and the Type-C IN port both carry upstream USB, one at a time. Table 1 gives 5Gbps upstream data.

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.

AASUS ROG Swift OLED PG34WCDM

Connector	USB version	Count
USB-A	3.2 Gen 1	2
USB-A	2.0	1

Source1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Complete maker inventory gives two USB 3.2 Gen 1 Type-A sockets and one USB 2.0 Type-A socket. Older review summary counts omit the latter.

BCORSAIR Xeneon 27QHD240 OLED

Connector	USB version	Count
USB-A	3.1 Gen 1	4

Source2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: 4x 5Gbps Type-A USB 3.1 Gen1. In 4-lane USB-C Alt Mode the Type-A ports run at USB 2.0 speed.

KVM switch

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Yes1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Connections section: 4x USB Type-A hub with KVM.

Daisy chain (MST)

Not available

Not available

Ethernet

Not available

Not available

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

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Connectivity: 3.5mm audio jack, headset connector for audio output.

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

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Not available

Picture in picture

Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OSD PIP/PBP menu: Function Mode PIP.6Reviewpcmonitors.info/corsair/corsair-xeneon-27qhd240-240hz-qhd-oled-with-hdmi-2-1Read 10 October 2026PC Monitors listing: 2-system PiP and PbP is supported.

Picture by picture

Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OSD PIP/PBP menu: Function Mode PBP.

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

0 of 5 differ

Speakers

No1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

No5Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Assembly section: there is no internal audio.

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

Not available

Ergonomics and controls

11 of 15 differ

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

110mm2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

100mm2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Stand adjustment: height +/- 100mm. The Tech Specs list a 100mm adjustable height.

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

Forward5°Backward20°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Forward7°Backward15°2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Stand adjustment: tilt -7/+15 degrees.

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

Left15°Right15°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Left30°Right30°2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Stand adjustment: swivel +/- 30 degrees.

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 manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Stand adjustment: pivot +/- 90 degrees.

Removable stand

Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026VESA Mount Compatibility: remove the stand neck with the lock button.

VESA mount

100 x 1002Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

100 x 1002Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026VESA Compatibility 100mm x 100mm.

VESA adapter needed

Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual 2.3 mandatory step 5 attaches the supplied ROG wall-mount kit to the purchased bracket before installing the monitor. The required adapter is included in Package Contents 1-1. No separate adapter purchase is implied.

No5Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Review: a 100mm VESA mount sits under the stand attachment point with fasteners included for aftermarket arms. The manual attaches a compatible mount directly.

Security lock slot

Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Yes2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Connectivity: Kensington lock, one security device.

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

Joystick, Buttons, Software2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Joystick2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Controls: a joystick on the front-bottom side opens shortcuts and navigates the settings.

Desktop software

ASUS DisplayWidget Center1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Not available

User firmware updates

Not available

Yes1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Downloads: XENEON 27QHD240 OLED Firmware V106, with a firmware update guide.

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.

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Hardware proximity sensing is distinct from ambient-light sensing.

Not available

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.

Yes4Reviewtftcentral.co.uk/reviews/asus-rog-swift-pg34wcdmRead 5 October 2026Exact design section describes rear RGB and the stand ROG projector, distinct from the power LED.

Not available

Gaming menu features

GamePlus, GameVisual, Shadow Boost, Clear Pixel Edge2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

Crosshair, Refresh Overlay2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OSD Picture menu: Refresh Overlay and Crosshair.

OLED care

2 of 3 differ

OLED care

Screen Saver, Pixel Cleaning, Pixel Cleaning Reminder, Screen Move, Adjust Logo Brightness, Proximity Sensor2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026System Setup Screen Protection: proximity saves power after 180 seconds away with 50/80/110 cm sensitivity options. Exact menu names retained.

Image Retention Refresh, Orbit, Brightness Stabilizer2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026OSD System Setting: Image Retention Refresh, Orbit pixel shift of 1 pixel per minute, and Brightness Stabilizer that limits peak brightness to 200 nits.

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

Yes1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Yes7Press articletftcentral.co.uk/news/corsair-xeneon-27qhd240-oled-27-monitor-with-240hz-announcedRead 10 October 2026Announcement text: the screen is backed by a three-year Zero Dead Pixel and Zero Burn In warranty. The product page lists a burn-in protection guarantee.

Burn-in warranty length

2years1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Current global exact-model specification explicitly includes panel burn-in for 2 years.

3years7Press articletftcentral.co.uk/news/corsair-xeneon-27qhd240-oled-27-monitor-with-240hz-announcedRead 10 October 2026Announcement text: three-year Zero Burn In warranty.

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.

Width786Height (lowest)441Height (highest)551Depth293mm(30.9 × 17.4 to 21.7 × 11.5 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Specifications 3-16 gives 441-551 mm height, matching 110 mm travel. Width and depth retain maker table rounding.

Width604.4Height (lowest)439Height (highest)539Depth224.3mm(23.8 × 17.3 to 21.2 × 8.8 in)2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1 gives 604.4 x 530.8 x 224.3 mm for width, height and depth. Width and depth are taken from it. Minimum and maximum height come from Tom's Hardware, 439 to 539 mm, which agrees with the 100 mm height adjustment and contains the 530.8 mm figure.5Reviewtomshardware.com/reviews/corsair-xeneon-27qhd240Read 10 October 2026Spec table: 23.8 x 17.3-21.2 x 8.8 inches (605 x 439-539 x 224mm) with base. Heights are taken from here.

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

Width786Height372Depth161mm(30.9 × 14.6 × 6.3 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Specifications 3-16 gives overall curved body 786 x 372 x 161 mm, including rear housing.

Not available

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.

8.4kg(18.5 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual estimated Net 8.4 kg.

9.9kg(21.8 lb)2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Weight 9.9kg, listed after the dimensions with stand. Tom's Hardware also gives 9.9 kg. The product page rounds it to 9kg.

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

5.6kg(12.3 lb)1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Global estimate 5.6 kg without stand. Varies by region.

Not available

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.

Width890Height291Depth465mm(35 × 11.5 × 18.3 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual W/H/D 890 x 291 x 465 mm describes the flat-packed box orientation.

Not available

Box weight

13.5kg(29.8 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual estimated Gross 13.5 kg.

Not available

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.

External adapter2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

External adapter2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Package contents list an AC adaptor. The guide names the Delta ADP-180TB HU supply.

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

280W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual 3-17 adapter 20 V, 14 A is exactly 280 W rated output. It differs from monitor consumption.

180W1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Tech Specs: AC Adapter 180W.

Input voltage

100-240 V AC, 50/60 Hz1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

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.

31W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual 3-16 Power ON 31 W at 200 nits without audio, USB or card-reader connections.

34.81W2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Power Consumption (On) 34.81 W. Tom's Hardware measured 30 W at 200 nits.

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

Not available

Not available

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.

29.5W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026Current exact EU record SDR 29.5 W, separate from claimed typical 31 W at 200 nits.

Not available

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.

31W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026Current exact EU record HDR 31 W, separate from rounded label energy.

Not available

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

0.4W7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026Current exact EPREL published version 6 standby 0.4 W. This equality replaces the manual less-than-0.5-W bound.

0.5W2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Power Consumption (Sleep) < 0.5W. Published as less than 0.5 W.

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

0.3W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Manual Power Off < 0.3 W.

0.3W2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Table 1: Power Consumption (Off) < 0.3W. Published as less than 0.3 W.

EU energy class SDR

F7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026

Not available

EU energy class HDR

F7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026

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Energy per 1000 h SDR

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Energy per 1000 h HDR

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Certifications

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VESA ClearMR

Not available

Not available

VESA AdaptiveSync Display

240Hz1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Not available

TÜV certifications

Flicker-free, Low Blue Light (Hardware Solution)1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Low Blue Light Hardware Solution2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026About Low Blue Light.

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.

Hardware1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

Hardware2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026About Low Blue Light: complies with TUV Rheinland Low Blue Light Hardware Solution at factory default settings.

ENERGY STAR

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TCO Certified

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EPEAT

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Colour certifications

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Other certifications

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CE, UKCA1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Documentation: CE and UKCA declarations of conformity.

In the box

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In the box

OLED Monitor, Monitor Stand, Monitor Base, Changeable Films, LED Projection Cover, Color pre-calibration report, DisplayPort cable, HDMI Ultra High Speed Cable, Power adapter, Power cord, Quick start guide, ROG pouch, ROG sticker, USB 3.2 cable, USB-C cable, VESA mount kit, Warranty Card1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Exact current maker accessories list. Bundles vary by region. It independently establishes USB-C, USB data and power cables without adopting the review two-USB-C-port error.2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Package Contents 1-1 lists the maker bundle, with market qualifications. Current maker accessories table independently corroborates USB-C, USB data and power cables.5Reviewprofesionalreview.com/2024/02/15/asus-rog-swift-oled-pg34wcdm-reviewRead 5 October 2026Exact tested Spanish review-unit bundle corroborates several items. The independent current maker list supplies the complete stored accessories. Claimed two USB-C ports in review conflicts with maker connector inventory and is not adopted.

Monitor, Stand Base, AC Adapter & Power Cord, 1.5m DisplayPort Cable, 1.5m HDMI Cable, 1.5m USB Type-C to C Cable, 1.8M USB Type-A to C Cable1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Package Contents, verbatim. The stand neck is attached to the panel.

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

AASUS ROG Swift OLED PG34WCDM

Type	Count
DisplayPort cable	1
HDMI Ultra High Speed Cable	1
Power cord	1
USB 3.2 cable	1
USB-C cable	1

Source1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Named maker cables. Exact manual Package Contents 1-1 independently establishes one of each. Bundles can vary by region.2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026Package Contents 1-1 expressly lists one Power Cord, HDMI Cable, DP Cable, USB Type-C Cable and USB Cable. Current maker accessories names the USB cable USB 3.2. Bundles can vary by region.5Reviewprofesionalreview.com/2024/02/15/asus-rog-swift-oled-pg34wcdm-reviewRead 5 October 2026Spanish review observes video cables. Exact maker manual independently supplies one-of-each cable counts. Review two-USB-C claim is not adopted.

BCORSAIR Xeneon 27QHD240 OLED

Type	Count
AC power cable	1
DisplayPort cable (1.5 m)	1
HDMI cable (1.5 m)	1
USB Type-C to C cable (1.5 m)	1
USB Type-A to C cable (1.8 m)	1

Source2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Package contents list items D to H, one of each.

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.

2years1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026Current global exact-model maker specification gives 2 years including panel burn-in. Other models three-year terms are not transferred.

3years1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Tech Specs: Warranty 3 Year. Tom's Hardware also lists 3 years.

Dead pixel policy

Not available

Zero Dead Pixel guarantee1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Protection section heading: Zero Dead Pixel Guarantee. TFTCentral's announcement adds a three-year Zero Dead Pixel and Zero Burn In warranty. The detailed policy text was not found.

Links

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Product page

rog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

www.corsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-na1Maker product pagecorsair.com/us/en/p/monitors/cm-9030002-na/xeneon-27qhd240-27-inch-oled-2560x14400-240hz-gaming-display-cm-9030002-naRead 10 October 2026Exact model US product page.

Spec sheet

rog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/spec1Maker product pagerog.asus.com/monitors/32-to-34-inches/rog-swift-oled-pg34wcdm/specRead 5 October 2026

www.corsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oled2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Web version of the manual with Table 1, the full technical specifications. No separate spec sheet PDF was found.

Manual

dlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdf2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG34WCDM/ASUS_PG34WCDM_UM_EN.pdfRead 5 October 2026

www.corsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oled2Owner's manualcorsair.com/us/en/explorer/gamer/monitors/corsair-xeneon-27qhd240-oledRead 10 October 2026Maker manual and quick start guide as a web page.

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.

18153197EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1815319Read 5 October 2026

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