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ASUS ROG Swift OLED PG27UCDM vs BenQ MOBIUZ EX321UZ

Product A: ASUS

ROG Swift OLED PG27UCDM

118 of 172 known
Change ASUS ROG Swift OLED PG27UCDM

Compare the BenQ MOBIUZ EX321UZ with

Product B: BenQ

MOBIUZ EX321UZ

92 of 172 known
Change BenQ MOBIUZ EX321UZ

Compare the ASUS ROG Swift OLED PG27UCDM with

78 of 164 fields differ

Download CSVDownload JSON
  • 37 different values
  • 41 known for one only
  • 42 the same
  • 44 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Power use SDR (EU label)Lower is betterA: 25.4WB: 35WASUS is 9.6 W lower.
  2. Brightness (typical, SDR)A: 250nitsB: 300nitsBenQ is 50 nits higher.
  3. Pixel densityA: 163.2ppiB: 139.9ppiASUS is 23.3 ppi higher.

Refresh rate per resolution

The best rate over any port. Bars run from 0 to 1200 Hz.

3840 × 2160Native for both
A240Hz
B240Hz

Size, drawn to scale

Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.

Weight

0 to 15 kg

Weight with stand
A7.62kg
B8.29kg
Weight without stand
A5kg
B5.99kg
Box weight
A12.4kg
B12.5kg

All 172 fields

Every value links to where we found it.

AASUS ROG Swift OLED PG27UCDM
BBenQ MOBIUZ EX321UZ

General

5 of 8 differ
Series
ROG Swift OLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Model heading: ROG Swift OLED PG27UCDM.
MOBIUZ1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Page URL and product family. BenQ MOBIUZ gaming line.
Model numbers
PG27UCDM, 90LM0B30-B019711Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Model heading establishes PG27UCDM. Part number comes from the separately cited ASUS datasheet.4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026ASUS datasheet page 1: product number 90LM0B30-B01971 for ROG Swift PG27UCDM. No sales region inferred from suffix.
EX321UZ1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Page title and model name: EX321UZ. The EPREL sheet, Amazon US listing and Japanese page use the same model number.
GTIN / EAN
47113878152364Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026ASUS datasheet page 1: EAN 4711387815236 for product number 90LM0B30-B01971.
840046053161, 45444380171183Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026JAN code 4544438017118 (Japan). The 840046053161 UPC comes from the Amazon US listing.13Retailer pageamazon.com/dp/B0GLRG9NK4Read 14 October 2026UPC 840046053161 on the BenQ MOBIUZ EX321UZ listing, model number EX321UZ.
Announced
2 January 20257Press releasepress.asus.com/news/press-releases/asus-rog-swift-oled-pg27ucdm-strix-oled-xg27aqdpg-gaming-monitorsRead 5 October 2026Body dateline: Taipei January 2, 2025 announced the pair including PG27UCDM. Page publication header is January 3. Announcement event dateline used.
19 September 20255Press releaseprnewswire.com/news-releases/benq-unveils-new-oled-mobiuz-series-bringing-true-game-art-and-next-gen-performance-to-life-302561213.htmlRead 14 October 2026BenQ unveiled the EX271UZ, EX271QZ and EX321UZ on September 19, 2025.
Status
Available10Retailer pageoffice-partner.de/asus-rog-swift-oled-pg27ucdm-gaming-monitor-67.32-cm-27-n2008213921Read 5 October 2026Exact product is currently offered for sale. Matching ASUS part number 90LM0B30-B01971.
Available13Retailer pageamazon.com/dp/B0GLRG9NK4Read 14 October 2026Live US listing for the exact model. Sales also started in Japan (April 2026) and India (2026-05-19).
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$1,0998Press releasepress.asus.com/news/press-releases/rog-swift-oled-pg27ucdm-27-inch-4k-gaming-monitorRead 5 October 2026January 21, 2025 exact-model launch preorder release explicitly states MSRP USD 1099. MSRP excludes sales tax. Not a later retailer price.
$1,2996Press releasebenq.com/en-us/news/monitor/mobiuz-oled-series-press-release.htmlRead 14 October 2026EX321UZ US launch price $1,299. Maker launch price, not a current selling price. Tax not stated.
Launch price (EU)
Not available
Not available
Markets
Not available
US, JP, IN, EU3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Japanese maker page for the exact model.9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026EU: placed on the Union market.13Retailer pageamazon.com/dp/B0GLRG9NK4Read 14 October 2026US listing.
Colours
Black3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Colors Black.
White13Retailer pageamazon.com/dp/B0GLRG9NK4Read 14 October 2026Color: White. The BenQ product render also shows a white stand.
Segment
Gaming1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Product is listed under Gaming Monitors.
Gaming1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026BenQ lists the model under Monitor / Gaming.

Display

8 of 12 differ
Screen size
27in(68.6 cm)2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Product heading explicitly says 27-inch (26.5-inch viewable). Advertised class size stored separately from viewable diagonal.
31.5in(80 cm)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Screen Size: 31.5 inch.
Viewable screen diagonal
26.5in(67.3 cm)2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Product heading explicitly says 26.5-inch viewable.
Not available
Native resolution
3840 × 2160px1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Resolution 3840x2160.
3840 × 2160px1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Resolution (max.): 3840x2160.
Aspect ratio
16:91Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Aspect Ratio 16:9.
16:91Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Aspect Ratio: 16:9.
Pixel density
163.2ppi
139.9ppi
Pixel pitch
0.1553mm4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Technical data page 2: 0.15525 x 0.15525 mm. Webpage says 0.153 mm. Datasheet preferred. Published pitch does not exactly reproduce the stated viewing area, so no area is derived from pitch.
Not available
Active display area
Width589.97Height332.93mm(23.2 × 13.1 in)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display Viewing Area (HxV): 589.97 x 332.93 mm. Published area is retained, not calculated from pitch. ASUS datasheet rounds this to 590 x 333 mm.
Not available
Curved
No4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Technical data page 2: Bildschirmform Flach (flat).
No14Retailer pagekomputronik.pl/product/1022538/monitor-benq-ex321uz.htmlRead 14 October 2026Retailer spec tab: screen type flat. The same tab lists DisplayPort 1.4, which BenQ contradicts, so it is used only for the flat screen.
Curvature radius
Not available
Not available
Screen surface
Semi-glossy6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Key Specs and Features and Screen coating: standard semi-glossy QD-OLED coating.
Glossy1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Display Screen Coating: Glare. The Japanese page says the same (glare). An Amazon US listing says Matte. The maker value is used.
Anti-reflection coating
Anti-Reflection1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display Surface: Anti-Reflection. No coating brand is assigned from the generic OLED FAQ.
Reinforced Surface2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Reinforced Surface improves perceived black depth by 40 percent by reducing reflections and ambient light. Also a 3H hardness coating.
Touchscreen
No4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Technical data page 2: Touchscreen Nein.
Not available

Panel

7 of 31 differ
Panel type
QD-OLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Panel Type QD-OLED.
QD-OLED1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Panel Type: OLED. The QD-OLED type comes from the overview page and the Japanese page.
Panel type (as published)
Tandem QD-OLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Panel Technology Tandem QD-OLED.
QD-OLED2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: 4th Gen QD-OLED.
Backlight
None (self-emissive)6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Black Depth, Shadow Detail and Contrast explains OLED pixels turn off individually to create black. No backlight.
None (self-emissive)2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Self-emissive QD-OLED panel. The spec page lists Panel Type: OLED.
Local dimming
Not available
Not available
Dimming zones
Not available
Not available
Panel maker
Samsung Display6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Key Specs and Features names Samsung Display QD-OLED panel.
Samsung Display11Press articletftcentral.co.uk/news/benq-launch-the-mobiuz-ex-series-the-worlds-first-game-art-monitorsRead 14 October 2026TFTCentral (2025-10-09): the EX271UZ, EX321UZ and EX271QZ are all built around Samsung Display QD-OLED panels. TFTCentral guessed a 3rd Gen panel for the EX321UZ. BenQ itself says 4th Gen, which is stored.
Panel part number
Not available
Not available
Panel generation
4th gen2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Product highlights and 4th Gen QD-OLED section explicitly name fourth-generation QD-OLED.
4th Gen QD-OLED, 5-layer tandem structure2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: 4th Gen QD-OLED with a 5-layer tandem structure.7Press releasebenq.com/en-in/news/products/mobiuz-ex321uz-launch.htmlRead 14 October 20264th Gen QD-OLED panel with a 5-Layer Tandem structure.
Subpixel layout
Not available
Not available
Colour depth
10bits3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Display colors 10 bit.
10bits1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Display Colors: 1.07 billion colors, which is 10 bits per channel. The BenQ-written Amazon US bullet says 10-bit color. The method (native or FRC) is not stated.
Colour depth method
Native2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Product highlights expressly say true 10-bit color.
Not available
Displayable colours
1.07 billion1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display Colors: 1073.7M (10 bit), normalized to the project text convention.
1.07 billion1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Display Colors: 1.07 billion colors.
sRGB coverage
Not available
Not available
DCI-P3 coverage
99%1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Color Space (DCI-P3) 99%. CIE reference is not stated. The separate 145% sRGB claim is not coverage and is omitted.
99%1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Color Gamut: 99% P3. The BenQ press release says 99% DCI-P3. Coverage or volume and CIE version are not stated.6Press releasebenq.com/en-us/news/monitor/mobiuz-oled-series-press-release.htmlRead 14 October 2026Color Accuracy: 99% DCI-P3.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026sRGB Emulation Modes: the display comes factory calibrated to Delta E below 2 in sRGB Cal preset. The calibration report is electronic and accessible through OSD. This does not establish a paper report in the box.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Professional / Factory Calibration Report: Yes.
Claimed Delta E
21Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Color Accuracy Delta E < 2. Less-than qualifier retained. Exact calibration mode is sRGB Cal in the TFTCentral report.
26Press releasebenq.com/en-us/news/monitor/mobiuz-oled-series-press-release.htmlRead 14 October 2026Color Accuracy: 99% DCI-P3, Delta E < 2. Stored as 2 with the less-than qualifier here. Average or maximum is not stated.
Paper calibration report in box
Not available
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Accessories / Other Accessories lists Calibration Report.
Hardware calibration support
Not available
Not available
Static contrast ratio
1,500,000:13Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Contrast ratio 1.5M:1. Maker typical panel contrast.
1,500,000:11Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Native Contrast: 1500000:1.
Brightness (typical, SDR)
250nits3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Brightness 250 nits (typ.). No full-screen or window condition is stated.
300nits1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Brightness (typ.): 300 nits. No window size stated.
Brightness (maker minimum)
Not available
Not available
Peak brightness (HDR)
1,000nits1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Brightness (HDR, Peak) 1000 cd/m2. Footnote says peak may vary due to color pre-calibration. Window size is not published.
1,000nits1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Brightness (peak)(HDR): 1000 nits. Window size not stated.
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR10, Dolby Vision1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: HDR10 and Dolby Vision.
Not available
HDR certification
DisplayHDR True Black 4001Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate: VESA DisplayHDR 400 True Black.
DisplayHDR True Black 5001Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026HDR: VESA DisplayHDR True Black 500. The BenQ press release says HDR500. The Amazon US title says DisplayHDR 400 True Black and is not used.6Press releasebenq.com/en-us/news/monitor/mobiuz-oled-series-press-release.htmlRead 14 October 2026HDR Certification: HDR500 for the EX321UZ.
Viewing angle (horizontal)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Viewing Angle (CR >= 10) 178 degrees horizontal.
178°1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Viewing Angle (L/R) (CR>=10): 178/178. BenQ Japan summary states 178 horizontal and vertical.15Press articlegdm.or.jp/pressrelease/2026/0327/628456Read 14 October 2026Report of the BenQ Japan announcement of 2026-03-27: viewing angle 178 degrees horizontal and vertical.
Viewing angle (vertical)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Viewing Angle (CR >= 10) 178 degrees vertical.
178°15Press articlegdm.or.jp/pressrelease/2026/0327/628456Read 14 October 2026Report of the BenQ Japan announcement of 2026-03-27: viewing angle 178 degrees horizontal and vertical.

Refresh rate and motion

10 of 22 differ
Refresh rate per resolution and port
AASUS ROG Swift OLED PG27UCDM
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1a UHBR20, 1.4USB-C
3840 × 2160Native240Hz240Hz240Hz
Source6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Gaming native-resolution maximum table explicitly gives 240Hz for DP, HDMI and USB-C. DisplayPort 2.1 section states 4K240 uncompressed on UHBR20, or DP1.4 with DSC. Bit depth and chroma are not attached to those 240Hz rows without explicit evidence. USB-C 240Hz requires USB 2.0 data bandwidth. Manual 3-14 limits USB 3.2 data mode to 4K120Hz. NVIDIA DSR/DLDSR table gives DP1.4 DSC-off maxima 4K97Hz 8-bit RGB and 4K120Hz 10-bit 4:2:2, plus HDMI 2.1 DSC-off 4K120Hz 10-bit RGB. Test GPU RTX 3090 had DP1.4. No lower-resolution preset is treated as a maximum.
BBenQ MOBIUZ EX321UZ
Refresh rate per resolution and port. The top rate is in bold.
ResolutionDisplayPort 2.1a UHBR20
3840 × 2160Native240Hz
Source7Press releasebenq.com/en-in/news/products/mobiuz-ex321uz-launch.htmlRead 14 October 2026BenQ India: 4K 240 Hz, DisplayPort 2.1a UHBR20 (80 Gbps), uncompressed 4K at ultra-high refresh rates. The 240 Hz row on DisplayPort is built from these statements. Bit depth and chroma are not stated. HDMI and USB-C maxima are not stated.11Press articletftcentral.co.uk/news/benq-launch-the-mobiuz-ex-series-the-worlds-first-game-art-monitorsRead 14 October 2026TFTCentral: the EX321UZ has DisplayPort 2.1 with UHBR20 / 80 Gbps bandwidth. The other two models use DP 1.4 with DSC.12Press articleflatpanelshd.com/news.phpRead 14 October 2026FlatpanelsHD: the 32-inch EX321UZ features DisplayPort 2.1 with 80 Gbps bandwidth to drive 4K at 240 Hz. The EX271UZ needs DP 1.4 with DSC.
Max refresh rate
240Hz
240Hz
Max refresh rate at native resolution
240Hz
240Hz
Max refresh rate over DisplayPort
240Hz
240Hz
Max refresh rate over HDMI
240Hz
Not available
Max refresh rate over USB-C
240Hz
Not available
Max refresh rate at 10-bit
120Hz
Not available
Native refresh rate
240Hz6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Gaming: 240Hz OLED panel and native-resolution maximum refresh table. No overclock setting is claimed.
240Hz1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Refresh Rate (Hz): 240. No overclock mode is stated.
Overclocked refresh rate
Not available
Not available
Dual mode
No6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Conclusion explicitly says dual-mode functionality and boosted refresh rate are missing.
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display, HDMI VRR1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features and Certificate name FreeSync Premium Pro, G-SYNC Compatible and VESA AdaptiveSync Display 240Hz. HDMI VRR is separately verified by TFTCentral. Its early review says FreeSync Premium, superseded here by current maker Premium Pro claim.6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Console Gaming table marks HDMI-VRR supported. Early review names FreeSync Premium. Current maker names Premium Pro, which takes precedence.
FreeSync Premium Pro, HDMI VRR1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Gaming / FreeSync Premium Pro: Yes. HDMI VRR comes from the overview page.2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Variable Refresh Rate on HDMI. Spec page: FreeSync Premium Pro.
VRR range per port
AASUS ROG Swift OLED PG27UCDM
InputMin (Hz)Max (Hz)
HDMI48240
DisplayPort48240
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Gaming 3-2: Variable Refresh Rate can only be activated within 48Hz to 240Hz for HDMI and DisplayPort. USB-C is not named, so no USB-C range is inferred.
BBenQ MOBIUZ EX321UZ
Not available
Low framerate compensation
Not available
Not available
Response time (maker GtG claim)
0.03ms1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Response Time 0.03ms (GTG). Transition endpoints are not stated.
0.03ms1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Response Times (GtG): 0.03 ms. No endpoints or settings stated.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Gaming 3-2: ELMB mode, available only at 120Hz. TFTCentral verifies black frame insertion.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Gaming / Motion Blur Reduction: Yes.
Blur-reduction technology
ELMB3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Gaming 3-2: ELMB.
Blur Reduction2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Blur Reduction, listed with Crosshair and FPS Counter.
Blur reduction works with VRR
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Gaming 3-2: turn off Variable Refresh Rate before activating ELMB.
Not available
Flicker-free (claimed)
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Flicker free Yes. This is the maker claim, distinct from VRR flicker.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Eye Care / Flicker-free Technology: Yes. TUV certificate lists Flicker-free.
Black frame insertion
Yes6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026ELMB section verifies fixed 120Hz SDR BFI with 50:50 duty cycle. Does not work with VRR or HDR.
Not available

Measured

3 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
0.5ms6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Response Times chart response_1-1.png: average G2G across 30 measured transitions at 240Hz. Method is initial response time G2G, gamma corrected, RGB 10 tolerance. Overdrive n/a. Article says results remain consistent at 120Hz, 60Hz and VRR. Not the best or worst transition.
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
263nits6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Brightness and Contrast: Uniform Brightness ON, maximum brightness setting, OLED care disabled for testing. Luminance remains constant across APL window sizes. UB OFF reaches 465 nits in text (463 in summary table), with ABL. Uniform mode value stored.
Not available
HDR brightness in a real scene (measured)
Not available
Not available
PWM flicker frequency (measured)
Not available
Not available
VRR range (measured)
Not available
Not available
Colour accuracy (measured Delta E)
1.46Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026sRGB Colour Gamut mode (Racing preset): average sRGB color Delta E 2000 before calibration. CIE 1976 gamut method, factory settings otherwise, ICC profiles deactivated. Default wide-gamut average is 4.1, not selected here.
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

8 of 19 differ
Video inputs
AASUS ROG Swift OLED PG27UCDM
TypeVersionCountMax bandwidth (Gbps)
DisplayPort2.1a UHBR20180
HDMI2.1248
USB-CNot available1Not available
Source2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Unlock the future with DisplayPort 2.1a section gives 80 Gbps DP and 48 Gbps HDMI. Physical counts and USB-C DP Alt Mode come from I/O Ports on the spec page. No link version or bandwidth is inferred for USB-C.
BBenQ MOBIUZ EX321UZ
TypeVersionCountMax bandwidth (Gbps)HDCP
HDMI2.12Not available2.3
DisplayPort2.1a UHBR201802.3
USB-CNot available1Not available2.3
Source1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Connectivity: HDMI 2.1 eARC x1, HDMI 2.1 x1, DisplayPort 2.1 x1, USB-C (PD 90W, DisplayPort Alt Mode, Data) x1. HDCP 2.3 is listed once for the monitor and is applied to each input.7Press releasebenq.com/en-in/news/products/mobiuz-ex321uz-launch.htmlRead 14 October 2026DisplayPort 2.1a UHBR20 (80 Gbps) and HDMI 2.1 with eARC.11Press articletftcentral.co.uk/news/benq-launch-the-mobiuz-ex-series-the-worlds-first-game-art-monitorsRead 14 October 2026DisplayPort 2.1 with UHBR20 / 80 Gbps.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
2.1a UHBR20
2.1a UHBR20
HDMI features
CEC, VRR, ALLM3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026System Setup 3-15: ASUS Power Sync controls CEC source power. TFTCentral Console Gaming verifies HDMI VRR and ALLM.6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Console Gaming table explicitly marks HDMI-VRR and Auto Low Latency Mode (ALLM) supported. CEC separately sourced to manual.
eARC, VRR, ALLM, CEC1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026HDMI (v2.1) eARC on one port. ALLM, VRR and CEC come from the overview page and the Japanese page.2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Auto Low Latency Mode, Variable Refresh Rate, Consumer Electronics Control and Enhanced Audio Return Channel.3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Japanese product page: HDMI 2.1 with VRR and ALLM, and eARC.4Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz.htmlRead 14 October 2026Japanese overview: HDMI 2.1 (VRR/ALLM), DP 2.1, USB Type-C (DisplayPort Alt Mode, 90 W), KVM, eARC.11Press articletftcentral.co.uk/news/benq-launch-the-mobiuz-ex-series-the-worlds-first-game-art-monitorsRead 14 October 2026TFTCentral: HDMI 2.1 supports consoles with features like VRR and ALLM, and eARC is mentioned.
USB-C video (DP Alt Mode)
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026I/O Ports: USB-C x1 (DP Alt Mode).
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Connectivity: USB C (PowerDelivery 90W, DisplayPort Alt Mode, Data).
USB-C power delivered
90W1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026I/O Ports: USB-C Power Delivery 90W.
90W1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Power Delivery (USB C / Thunderbolt): 90. Also USB C (PowerDelivery 90W).
Thunderbolt
Not available
Not available
USB upstream ports
AASUS ROG Swift OLED PG27UCDM
ConnectorUSB versionCount
USB-B3.2 Gen 11
USB-CNot available1
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: USB 3.2 Gen 1 Type-B x1 upstream. Back View 1-5: USB-C supports data transmission. System Setup 3-14: USB-C data can be USB 2.0 or USB 3.2, so no single USB version is assigned to that row.
BBenQ MOBIUZ EX321UZ
ConnectorUSB versionCount
USB-C3.2 Gen 11
USB-CNot available1
Source1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026USB Type-C Upstream (USB 3.2 Gen 1, 5 Gbps, Data only) x1. The video USB-C port also carries data. Its USB version is not stated.
USB downstream hub ports
AASUS ROG Swift OLED PG27UCDM
ConnectorUSB versionCount
USB-A3.2 Gen 13
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: downstream USB Type-A x3. The ASUS datasheet mislabels host-facing USB-C as downstream, so it is excluded from peripheral hub count.
BBenQ MOBIUZ EX321UZ
ConnectorUSB versionCount
USB-A3.2 Gen 12
USB-C3.2 Gen 11
Source1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026USB Type-A Downstream (USB 3.2 Gen 1, 5 Gbps, 4.5 W charging) x2 and USB Type-C Downstream (USB 3.2 Gen 1, 5 Gbps, 7.5 W charging) x1.
KVM switch
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: KVM Switch Yes.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Professional / KVM Switch: Yes. A third-party review lists no KVM. The maker value is used.
Daisy chain (MST)
Not available
Not available
Ethernet
Not available
No1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026The Connectivity list on the spec page (2 HDMI, DisplayPort, USB-C, USB upstream, USB downstream) has no Ethernet port.
3.5 mm headphone output
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026I/O Ports: Earphone jack Yes. ASUS datasheet specifies 3.5 mm.4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Connectivity page 2: Kopfhörer-Anschluss 3.5 mm.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Audio / Headphone Jack: Yes.
3.5 mm microphone input
No6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Useful Office Features table explicitly marks Mic input unsupported.
Not available
Optical out
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: SPDIF out No.
No1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026The Connectivity list on the spec page has no optical output. HDMI eARC is a different connection.
Picture in picture
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026PIP/PBP menu 3-11 offers PIP Mode.
Not available
Picture by picture
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026PIP/PBP menu 3-11 offers PBP Mode.
Not available

Smart features

1 of 4 differ
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
Not available
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Accessories lists Remote Control.

Audio and camera

2 of 5 differ
Speakers
No1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Audio: Speaker No.
Not available
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Not available
Webcam
No4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Multimedia page 3: Integrierte Kamera Nein.
Not available
Microphone
Not available
Not available

Ergonomics and controls

13 of 15 differ
Stand height adjustment
110mm3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Height adjustment 0 to 110 mm.
100mm1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Height Adjustment Stand: 100 mm.
Tilt
Forward5°Backward20°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: tilt -5 to +20 degrees. Positive directional magnitudes stored.
Forward5°Backward15°1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Tilt (down/up): -5 to 15 degrees. Stored as 5 forward and 15 backward.
Swivel
Left30°Right30°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: swivel +/-30 degrees.
Left15°Right15°1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Swivel (left/right): 15/15.
Pivot
Counterclockwise90°Clockwise90°3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: pivot +/-90 degrees.
Not available
Removable stand
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Detaching the Stand 2-3 instructs pressing release button and removing stand.
Not available
VESA mount
100 x 1001Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Mechanical Design: VESA Wall Mounting 100x100mm.
100 x 1001Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026VESA Wall Mount: 100x100 mm.
VESA adapter needed
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Detaching the Stand 2-3 instructs installing the wall mount bracket on the rear, then the VESA wall mount kit. Manual calls kit separately purchased, while package list and maker page list it in the box.
Not available
Security lock slot
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Mechanical Design: Kensington Lock Yes.
Not available
On-screen menu controls
Joystick, Buttons, Software2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdmRead 5 October 2026Product highlights say DisplayWidget Center adjusts monitor settings with a mouse. Physical controls are described in manual 1.3.1 and TFTCentral Design and Features.
Not available
Desktop software
DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: DisplayWidget Center.
Color Shuttle, Display QuicKit1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Software: Color Shuttle and Display Quickit. The Japanese page spells it Display QicKit. Stored as Display QuicKit, as on the US page.3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Software: Color Shuttle and Display QicKit.4Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz.htmlRead 14 October 2026Firmware updates run through BenQ Display QicKit. Color Shuttle runs Smart Game Art.
User firmware updates
Yes6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Design and Features says user-updatable firmware. Current maker support download also lists MCM108 firmware.
Yes1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Professional / FW update by USB: Yes.
Ambient light sensor
No6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Useful Office Features table explicitly marks Ambient light sensor unsupported. Not inferred from EPREL ABC status.
Not available
Presence sensor
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Mechanical Design: Neo Proximity Sensor. It detects a user near the screen, not room occupancy.
Not available
RGB lighting
Yes6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Design and Features explicitly describes RGB lighting logo on rear.
Not available
Gaming menu features
FPS Counter, Crosshair, Dynamic Crosshair, Sniper, Timer, Stopwatch, Display Alignment, GameVisual, Shadow Boost, Aspect Control3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026GamePlus 1.3.3 and Gaming 3-2 to 3-3 list these functions. Image 3-5 names Aspect Control.
Crosshair, FPS Counter, Light Tuner, Color Vibrance1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Gaming: Light Tuner, Color Vibrance. Crosshair and FPS Counter come from the overview page.2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Crosshair, FPS Counter and Blur Reduction.

OLED care

3 of 3 differ
OLED care
Screen Saver, Pixel Cleaning, Pixel Cleaning Reminder, Screen Move, Auto Logo Brightness, Neo Proximity Sensor, OLED Usage Info3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026OLED Care 3-8 to 3-9 names these options. Latest manual used rather than older review menu screenshots.
Pixel Refresh, Idle Dimmer, Logo Dimming, Pixel Shift2Maker product pagebenq.com/en-us/monitor/gaming/ex321uz.htmlRead 14 October 2026Overview: Intelligent OLED Protection Suite. Pixel Refresh, Idle Dimmer, Logo Dimming, Pixel Shift.
Burn-in covered by warranty
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Warranty: 3 years including panel burn-in.
Not available
Burn-in warranty length
3years1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Warranty: 3 years including panel burn-in.
Not available

Dimensions and weight

6 of 7 differ
Dimensions with stand
Width610.3Height (lowest)439.5Height (highest)549.5Depth218.8mm(24 × 17.3 to 21.6 × 8.6 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16 explicitly labels lowest 610.3 x 439.5 x 218.8 mm and highest 610.3 x 549.5 x 218.8 mm.
Width718.88Depth223.48mm(28.3 × 8.8 in)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Dimensions (HxWxD) with base: 598.14 x 718.88 x 223.48 mm. Only width and depth are stored. The page does not say if 598.14 is the lowest or highest stand position.
Dimensions without stand
Width610.3Height369.2Depth70.5mm(24 × 14.5 × 2.8 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: 610.3 x 369.2 x 70.5 mm without stand. Matches webpage and ASUS datasheet. Outline 3-18 instead marks 66.5 mm depth and 352.4 mm height, an unresolved drawing conflict.
Width718.88Height418.14Depth82.93mm(28.3 × 16.5 × 3.3 in)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Dimensions (HxWxD) (w/o Base): 418.14 x 718.88 x 82.93 mm.
Stand footprint
Not available
Not available
Weight with stand
7.62kg(16.8 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-17: 7.62 +/-0.5 kg with stand. Cable inclusion is not stated.
8.29kg(18.3 lb)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Net Weight (kg): 8.29. Cables not mentioned.
Weight without stand
5kg(11 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-17: 5.0 +/-0.5 kg without stand. Webpage estimates 4.97 kg. Manual preferred. Cable inclusion is not stated.
5.99kg(13.2 lb)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Net Weight (w/o Base) (kg): 5.99.
Box dimensions
Width490Height894Depth188mm(19.3 × 35.2 × 7.4 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-17 explicitly labels 490 x 894 x 188 mm (W x H x D). Webpage and datasheet reverse first two axes and give 896 mm instead of 894 mm. Manual published orientation retained.
Width980Height515Depth188mm(38.6 × 20.3 × 7.4 in)3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Packaging size (HxWxD) 515 x 980 x 188 mm. Stored as width 980, height 515, depth 188.
Box weight
12.4kg(27.3 lb)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-17: 12.4 +/-0.5 kg gross.
12.5kg(27.6 lb)3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Packaging weight 12.5 kg.

Power

7 of 13 differ
Power supply
Internal5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2195069_EN.pdfRead 5 October 2026Page 1 parameter 24: Internal.
Internal1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Power Supply: Built-in.9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 24: Internal.
Adapter rating
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: AC 100-240V, 50/60Hz.
100-240 V1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Voltage Rating: 100 - 240V. Frequency not stated.
Power use (typical)
Not available
45W1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Power Consumption (normal): 45 W. Test condition not stated.
Power use (max)
Not available
300W1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Power Consumption (max): 300 W. USB load not stated.
Power use SDR (EU label)
25.4W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2195069_EN.pdfRead 5 October 2026Page 1 parameter 4: on-mode SDR power demand 25.4W.
35W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 4: on mode power in SDR 35.0 W.
Power use HDR (EU label)
36W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2195069_EN.pdfRead 5 October 2026Page 1 parameter 6: on-mode HDR power demand 36.0W.
36W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 6: on mode power in HDR 36.0 W.
Standby power
0.5W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Power saving <0.5W. Upper bound retained, not an exact measured consumption.
0.5W1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Power Consumption (sleep mode): <0.5 W on this page. EPREL gives standby 0.5 W, which is stored.9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 8: standby 0.5 W.
Off-mode power
0.3W3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Power Off <0.3W. Upper bound retained.
0.3W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 7: off mode 0.3 W.
EU energy class SDR
F5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2195069_EN.pdfRead 5 October 2026Page 1 parameter 3: F.
G9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 3: class G.
EU energy class HDR
G5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2195069_EN.pdfRead 5 October 2026Page 1 parameter 5: G.
G9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2580624_EN.pdfRead 14 October 2026Row 5: class G.
Energy per 1000 h SDR
Not available
35kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2580624.pdfRead 14 October 2026Printed label: 35 kWh/1000h.
Energy per 1000 h HDR
Not available
36kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2580624.pdfRead 14 October 2026Printed label: 36 kWh/1000h.

Certifications

3 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
240Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate: VESA AdaptiveSync Display 240Hz.
Not available
TÜV certifications
TÜV Flicker-free, TÜV Low Blue Light (Hardware Solution)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate lists both exact names.
Flicker-free, Low Blue Light (Hardware Solution)1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Certification / TUV Certificate: Flicker-free, Low Blue light (Hardware Solution).
Low blue light
Hardware1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate expressly names Low Blue Light (Hardware Solution). The manual also has a software filter.
Hardware1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Eye Care / Low Blue Light: Yes. TUV Certificate: Low Blue light (Hardware Solution).
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
Not available
Not available
Other certifications
FSC MIX1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate: FSC MIX.
Not available

In the box

2 of 2 differ
In the box
DisplayPort 2.1 (DP80) cable, HDMI Ultra High Speed Cable, Microfiber cloth, 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/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Accessories vary by region. Manual 1-1 calls USB-C, HDMI, DP and USB cables optional. No paper color-calibration report is listed.
Clean Cloth, Quick Start Guide, Calibration Report, Remote Control, Safety Instruction, Power cable, HDMI 2.1 cable, DisplayPort 2.1 cable1Maker product pagebenq.com/en-us/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Accessories: Clean Cloth, QSG, Calibration Report, Remote Control, Safety Instruction. Signal cables (DP 2.1, HDMI v2.1) may vary by region. The page does not list the monitor, stand or power cable. The power cable comes from the Japanese page.3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Included cables list.
Cables included
AASUS ROG Swift OLED PG27UCDM
Type
DisplayPort 2.1 (DP80) cable
HDMI Ultra High Speed Cable
Power cord
USB 3.2 cable
USB-C cable
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Accessories vary by region. Counts are not stated. DisplayPort cable and DP80 cable are not counted as two separate cables.
BBenQ MOBIUZ EX321UZ
Type
Power cable (about 1.8 m)
HDMI 2.1 cable (about 1.8 m)
DisplayPort 2.1 cable (about 1.8 m)
Source3Maker product pagebenq.com/ja-jp/monitor/gaming/ex321uz/spec.htmlRead 14 October 2026Included cables: power cable (about 1.8 m), HDMI 2.1 cable (about 1.8 m), DisplayPort 2.1 cable (about 1.8 m). Counts are not stated. The US page says signal cables vary by region.

Warranty

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Manufacturer warranty (source market)
3years1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Warranty: global page states 3 years including panel burn-in.
3years7Press releasebenq.com/en-in/news/products/mobiuz-ex321uz-launch.htmlRead 14 October 2026BenQ India states a 3-Year OLED Warranty. Burn-in coverage is not stated by BenQ.13Retailer pageamazon.com/dp/B0GLRG9NK4Read 14 October 2026Warranty Type: 3 Years Manufacturer Warranty. US listing.
Dead pixel policy
Not available
Not available

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