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ASUS ROG Swift OLED PG27UCDM vs Dell Alienware AW3425DW

Product A: ASUS

ROG Swift OLED PG27UCDM

118 of 172 known
Change ASUS ROG Swift OLED PG27UCDM

Compare the Dell Alienware AW3425DW with

Product B: Dell

Alienware AW3425DW

106 of 172 known
Change Dell Alienware AW3425DW

Compare the ASUS ROG Swift OLED PG27UCDM with

82 of 164 fields differ

Download CSVDownload JSON
  • 46 different values
  • 36 known for one only
  • 41 the same
  • 41 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Pixel densityA: 163.2ppiB: 109ppiASUS is 54.2 ppi higher.
  2. Power use SDR (EU label)Lower is betterA: 25.4WB: 31WASUS is 5.6 W lower.
  3. Power use HDR (EU label)Lower is betterA: 36WB: 31WDell is 5 W lower.

Refresh rate per resolution

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

3840 × 2160Native for A
A240Hz
BNot listed
3440 × 1440Native for B
ANot listed
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
B8.14kg
Weight without stand
A5kg
B5.09kg
Box weight
A12.4kg
B12.99kg

All 172 fields

Every value links to where we found it.

AASUS ROG Swift OLED PG27UCDM
BDell Alienware AW3425DW

General

4 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.
Alienware1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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.
AW3425DW, AW3425DWb, 63HN01Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Manufacturer part 63HN0 on the US page2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Regulatory Model: AW3425DWb
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.
8841164936556Retailer pageamazon.com/dp/B0F6724X5NRead 30 September 2026UPC 884116493655 on the Amazon US listing. Link to part 63HN0 is by market, not stated on the listing
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.
4 March 20253Press releasedell.com/en-us/blog/monitor-madness-alienware-announces-six-new-gaming-monitorsRead 30 September 2026Blog published March 4, 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.
Available1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
Predecessor
Not available
Dell Alienware AW3423DW4Press articletftcentral.co.uk/news/dell-alienware-aw3425dw-officially-released-with-34-ultrawide-240hz-qd-oled-panelRead 30 September 2026TFTCentral says the Alienware AW3425DW is the successor to the AW3423DW and the AW3423DWF.
Successor
Not available
Dell Alienware AW3426DW13Reviewtechradar.com/computing/monitors/alienware-aw3426dwRead 23 October 2026TechRadar's review calls the Alienware AW3425DW the predecessor of the Alienware AW3426DW.
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.
$799.993Press releasedell.com/en-us/blog/monitor-madness-alienware-announces-six-new-gaming-monitorsRead 30 September 2026Target price ~$799.99 USD
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Black3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Specifications 3-16: Colors Black.
Dark Blue1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Product Color: Dark Blue (Color Family: Blue)
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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026

Display

12 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.
34.2in(86.9 cm)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Diagonal Size 34.2 inch. Screen Size Class 34 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.
34.2in(86.9 cm)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
Native resolution
3840 × 2160px1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Display: Resolution 3840x2160.
3440 × 1440px2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
21:92Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
Pixel density
163.2ppi
109ppi
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.
0.2315mm1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Width800.06Height337.06mm(31.5 × 13.3 in)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
Curved
No4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Technical data page 2: Bildschirmform Flach (flat).
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
Curvature radius
Not available
1,800mm1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Glossy7Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026SDR image quality section explicitly describes glossy finish over display panel.
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.
Anti-reflection2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Table 4 Monitor specifications, Display screen coating: Anti-reflection.
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

8 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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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-OLED2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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)9Maker spec sheet (PDF)device.report/m/702ad09a53f8a082a03b38129bbb52f58b9b5fa5a030b7103a5ee1b02ee140bc.pdfRead 30 September 2026Technical specifications table: Backlight Technology Not Applicable (for QD 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 Display4Press articletftcentral.co.uk/news/dell-alienware-aw3425dw-officially-released-with-34-ultrawide-240hz-qd-oled-panelRead 30 September 2026
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.
Not available
Subpixel layout
Not available
Triangular RGB8Reviewrtings.com/monitor/reviews/dell/alienware-aw3425dwRead 30 September 2026Public comparison with AW3426DW identifies a triangular subpixel layout on older AW3425DW.
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.
10bits4Press articletftcentral.co.uk/news/dell-alienware-aw3425dw-officially-released-with-34-ultrawide-240hz-qd-oled-panelRead 30 September 2026
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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
99.3%1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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.
Yes2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Exact March 2025 guide OSD FACTORY COLOR REPORT explicitly describes the monitor calibrated at the factory product line. This is an electronic menu report. A physical paper calibration report is not established.
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.
21Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Published as Delta E < 2
Paper calibration report in box
Not available
Not available
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.
Not available
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.
250nits1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
HDR peak test window
Not available
3%2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 20261000 cd/m2 HDR peak at APL 3%
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.
HDR107Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026Exact-model key specifications explicitly list HDR 10. Generic DisplayHDR certification alone is not used to infer a format.
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 4001Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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°2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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°2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026

Refresh rate and motion

11 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.
BDell Alienware AW3425DW
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4
3440 × 1440Native240HzDSC240HzDSC
Source2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Resolution specifications: maximum preset native 3440×1440 at 240 Hz with DSC enabled on DP and HDMI. Port table confirms supported native 240. Lower-resolution and downscaled 4K timing entries do not separately prove maxima.
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
240Hz
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.
240Hz2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
VESA AdaptiveSync Display, HDMI VRR, FreeSync Premium Pro, G-SYNC Compatible1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Product Features explicitly states VESA AdaptiveSync Display certification and NVIDIA G-SYNC Compatible Certification, plus FreeSync Premium Pro. Connectivity/VRR section establishes HDMI VRR.
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.
BDell Alienware AW3425DW
Not available
Low framerate compensation
Not available
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Exact-model maker claim for FreeSync Premium Pro supplies the product tier. AMD official definition supplies its required LFC feature. Compatible GPU/mode conditions apply.11Maker product pageamd.com/en/resources/support-articles/faqs/DH3-013.htmlRead 30 September 2026Official tier definition explicitly includes LFC in FreeSync Premium Pro. Applies when a compatible AMD GPU and supported FreeSync mode are enabled. No all-input VRR-range claim is inferred.
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.
0.03ms2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Not available
Blur-reduction technology
ELMB3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/PG27UCDM/ASUS_PG27UCDM_UM-EN.pdfRead 5 October 2026Gaming 3-2: ELMB.
Not available
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.
Yes2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
258nits7Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026Reviewer maximum sustained SDR white luminance 258 nits. The exact article does not identify stimulus window, picture preset, input, rate or firmware. Maximum brightness statistic is explicit. It is not relabelled full-screen brightness or an HDR measurement. Same-author methodology identifies Datacolor Spyder X2 Ultra.12Measurementpcworld.com/article/2285790/how-we-test-monitors-at-pcworld.htmlRead 8 October 2026Publisher current method by the same reviewer uses Datacolor Spyder X2 Ultra and measures maximum SDR brightness. It does not establish this exact sample window or preset.
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

12 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.
BDell Alienware AW3425DW
TypeVersionCountMax bandwidth (Gbps)DSCHDCP
DisplayPort1.41Not availableYes1.4, 2.3
HDMI2.1248Yes1.4, 2.3
Source1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026DisplayPort 1.4 (HDCP 1.4 & 2.3) with DSC. 2x HDMI 2.1 FRL (HDCP 1.4 & 2.3)
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
2.1a UHBR20
1.4
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.
VRR2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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).
No2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026USB-C port is a 5Gbps downstream port for data and 15 W charging only
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.
15W1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026USB-C 5Gbps downstream port with 15 W charging. It is a data-only charging port, not USB-C video.
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.
BDell Alienware AW3425DW
ConnectorUSB versionCount
USB-B5Gbps1
Source2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
BDell Alienware AW3425DW
ConnectorUSB versionCount
USB-A5Gbps1
USB-C5Gbps1
Source2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
KVM switch
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: KVM Switch Yes.
No8Reviewrtings.com/monitor/reviews/dell/alienware-aw3425dwRead 30 September 2026Public introduction explicitly lists KVM switches among features the monitor lacks.
Daisy chain (MST)
Not available
No9Maker spec sheet (PDF)device.report/m/702ad09a53f8a082a03b38129bbb52f58b9b5fa5a030b7103a5ee1b02ee140bc.pdfRead 30 September 2026Technical specifications table: Daisy Chain Availability Not Applicable.
Ethernet
Not available
Not available
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.
No7Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026Exact-model connectivity section explicitly says there is no 3.5 mm audio-out jack.
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.
Not available
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.
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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.
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026

Smart features

None of 4 known
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
Not available
Not available

Audio and camera

1 of 5 differ
Speakers
No1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Audio: Speaker No.
No7Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026Exact-model menus/features section explicitly states there are no built-in speakers.
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

10 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.
110mm2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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°Backward21°2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026-5 to 21 degrees. Slant -5 to 5 degrees is not stored
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.
Left20°Right20°2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Yes2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Removable stand and VESA 100 mm holes behind an attached VESA cover
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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026
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.
Yes2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Joystick, Software2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Using the Joystick Control and AlienFX/AWCC sections describe menu controls and software display configuration.
Desktop software
DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: DisplayWidget Center.
Alienware Command Center (AWCC)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Dell Display and Peripheral Manager: N/A
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.
Not available
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.
Yes7Reviewpcworld.com/article/2777440/alienware-aw3425dw-review.htmlRead 8 October 2026Exact conclusion explicitly identifies RGB-LED lighting. Its low visibility does not mean it is absent.
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.
Timer, Frame Rate, Display Alignment, Dark Stabilizer, AlienVision, Crosshair, Console Mode2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026

OLED care

1 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, Panel Health1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Page also names an anti-burn-in AI algorithm and an anti-burn-in graphite sheet2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026OLED PANEL MAINTENANCE: PIXEL REFRESH runs automatically after 4 hours of use. PANEL HEALTH indicator in the OSD status bar
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.
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Anti-burn-in measures backed by a 3-year warranty3Press releasedell.com/en-us/blog/monitor-madness-alienware-announces-six-new-gaming-monitorsRead 30 September 2026
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.
3years1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20263Press releasedell.com/en-us/blog/monitor-madness-alienware-announces-six-new-gaming-monitorsRead 30 September 20263-year limited OLED burn-in hardware warranty on all Alienware QD-OLED monitors

Dimensions and weight

7 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.
Width814.15Height (lowest)445.08Height (highest)555.08Depth232mm(32.1 × 17.5 to 21.9 × 9.1 in)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
Width814.15Height361.55Depth111.23mm(32.1 × 14.2 × 4.4 in)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
Stand footprint
Not available
Width270Depth232mm(10.6 × 9.1 in)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
8.14kg(17.9 lb)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026With stand assembly and cables
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.
5.09kg(11.2 lb)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Without stand assembly, no cables
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.
Not available
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.
12.99kg(28.6 lb)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Weight with packaging

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.
Internal5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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 V AC, 50/60 Hz2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
Power use (typical)
Not available
36.7W1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Operating Power Consumption 36.70 W (Energy Star Pon)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 202636.7 W (Pon, Energy Star method). On mode per EU 2019/2013 is 31.0 W
Power use (max)
Not available
190W1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026190 W at maximum brightness and contrast with maximum load on all USB ports2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
31W5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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.
31W5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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.
0.5W2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 20265EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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.
0.3W2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 20265EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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.
F5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
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.
F5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2220414Read 30 September 2026
Energy per 1000 h SDR
Not available
31kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2220414.svgRead 30 September 2026Published energy label SDR kWh/1000h value, read directly from label.
Energy per 1000 h HDR
Not available
31kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2220414.svgRead 30 September 2026Published energy label HDR kWh/1000h value, read directly from label.

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.
Low Blue Light (Hardware Solution)2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026Exact product features name TÜV Rheinland Low Blue Light Hardware Solution compliance at factory reset/default setting. Scope is the integrated low-blue-light panel. No separate certificate identifier or current database tier is inferred.
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 pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026TÜV Rheinland low blue light (Hardware Solution) at factory default
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.
Display, Stand riser, Stand base, Power cable (varies by country or region), HDMI 2.1 FRL cable (1.80 m), DisplayPort to DisplayPort 1.4 cable (1.80 m), USB Type-A to Type-B 5Gbps cable (1.80 m), Microfiber cloth, QR Card, Safety, Environmental, and Regulatory Information, Alienware Sticker2Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026
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.
BDell Alienware AW3425DW
TypeCount
HDMI 2.1 FRL cable (1.80 m)1
DisplayPort to DisplayPort 1.4 cable (1.80 m)1
USB Type-A to Type-B 5Gbps cable (1.80 m)1
Power cable1
Source1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 20262Owner's manualgzhls.at/blob/ldb/1/4/e/2/d952487a7820ce368301e6a35c611fe2e913.pdfRead 8 October 2026

Warranty

1 of 2 differ
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.
3years1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026US: 3-year Basic Support with Advanced Exchange Service
Dead pixel policy
Not available
Free panel replacement for one bright pixel during the limited hardware warranty1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-34-240hz-qdoled-gaming-monitor-aw3425dw/aw3425dw_monitor/-Read 30 September 2026Premium Panel Exchange explanation. Exact warranty market: U.S.

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