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ASUS ROG Swift OLED PG27UCDM vs Samsung Odyssey OLED G8 G81SF 27"

Product A: ASUS

ROG Swift OLED PG27UCDM

118 of 172 known
Change ASUS ROG Swift OLED PG27UCDM

Compare the Samsung Odyssey OLED G8 G81SF 27" with

Product B: Samsung

Odyssey OLED G8 G81SF 27"

85 of 172 known
Change Samsung Odyssey OLED G8 G81SF 27"

Compare the ASUS ROG Swift OLED PG27UCDM with

83 of 164 fields differ

Download CSVDownload JSON
  • 38 different values
  • 45 known for one only
  • 36 the same
  • 45 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. ContrastA: 1,500,000:1B: 1,000,000:1ASUS is 1.5 times 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
B6.9kg
Weight without stand
A5kg
B3.8kg
Box weight
A12.4kg
B9.5kg

All 172 fields

Every value links to where we found it.

AASUS ROG Swift OLED PG27UCDM
BSamsung Odyssey OLED G8 G81SF 27"

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.
Odyssey OLED G82Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact producer title.
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.
LS27FG810SNXZA2Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact selected U.S. sold model. Other region, size and warranty variants are not inherited.
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.
Not available
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.
Not available
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.
Not available
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.
Not available
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.
Silver1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Front, rear and stand colours are all explicitly Silver. No other finish inferred.
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.
Gaming2Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Maker gaming monitor classification.

Display

6 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.
27in(68.6 cm)1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact U.S. LS27FG810SNXZA Screen Size Class 27. Manual page 41 separately gives its own 26.6-inch panel diagonal.
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.
26.6in(67.6 cm)3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 41 own S27FG81*S column: 27 Class, 26.6 inches, 67.7 cm. Current manual takes precedence over rounded 27-inch class and unqualified 26.5-inch review claims.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Resolution 4K 3840 x 2160.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Published aspect ratio 16:9.
Pixel density
163.2ppi
163.2ppi
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.
Width589.97Height332.9mm(23.2 × 13.1 in)3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 41 directly states own active display area, matching exact U.S. API. Pixel pitch 0.153 mm does not match the active raster, so pitch is omitted. No pixel-shift reserve is invented.
Curved
No4Maker spec sheet (PDF)gzhls.at/blob/ldb/8/d/d/9/3249322c8dac04e25c37cdf4197f284bead7.pdfRead 5 October 2026Technical data page 2: Bildschirmform Flach (flat).
No1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Flat/Curved explicitly Flat.
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.
Matte8Reviewrtings.com/monitor/reviews/samsung/odyssey-oled-g81sf-s27fg810sRead 5 October 2026Public exact 27-inch introduction explicitly matte screen. Locked reflection percentages, latency and response numbers are not extracted. The 32-inch panel has different measurements.
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.
OLED Glare Free2Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact producer coating feature. A 54% less-glossy comparison is not a total measured reflection percentage.
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

12 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-OLED2Maker product pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact product feature QD-OLED in 4K. Not a WOLED or LCD panel.
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 pagesamsung.com/us/monitors/gaming/27-inch-odyssey-oled-g8-g81sf-4k-240hz-gaming-monitor-sku-ls27fg810snxzaRead 5 October 2026Exact producer panel technology name.
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.
Not available
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.
Not available
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
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.
Not available
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 billion1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Color Support Max 1B. Native versus FRC colour depth is unstated.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Color Gamut DCI Coverage 99%, CIE 1976. Not gamut volume or reviewer measured coverage.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own Calibration Factory Tunning Yes. Factory Calibration Report Yes does not establish a paper report in the U.S. box.
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.
Not available
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.
1,000,000:11Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker static 1,000,000:1. Infinite measured contrast has no finite numeric representation.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own 27-inch Typical Brightness 250 cd/m². The 32-inch 260-nit row is excluded.
Brightness (maker minimum)
Not available
200nits1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Brightness Min 200 cd/m², manufacturer minimum guarantee. Not the minimum adjustable brightness.
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.
Not available
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.
HDR10, HDR10+1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own HDR10+ Gaming row. HDR10 is separately supported by the exact manufacturer sheet.4Maker spec sheet (PDF)boulanger.scene7.com/is/content/Boulanger/8806095977300_f_0Read 5 October 2026Page 3 exact 27-inch HDR10 row. Exact U.S. API separately proves HDR10+ Gaming. No Dolby Vision inferred.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact VESA DisplayHDR True Black 400. Not the G60SF True Black 500 tier.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact published 178 degrees horizontal.
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°1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact published 178 degrees vertical.

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.
BSamsung Odyssey OLED G8 G81SF 27"
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4
3840 × 2160Native240HzDSC240HzDSC
Source6Reviewstuff.tv/review/samsung-odyssey-oled-g81sf-reviewRead 5 October 2026Exact 27-inch G81SF connectivity section says both DisplayPort 1.4 and HDMI 2.1 use DSC to reach 4K at 240 Hz. Own manual page 43 independently defines this native maximum. Bit depth and chroma are unproved and omitted. Lower-resolution supported timing rows are not 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.
240Hz1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Frame Rate Max 240 Hz. Own manual page 43 defines native 4K 240 Hz optimum and maximum.
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, G-SYNC Compatible1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact FreeSync Premium Pro and G-Sync Compatible rows. No hardware G-SYNC module or VESA AdaptiveSync certification is inferred.
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.
BSamsung Odyssey OLED G8 G81SF 27"
Not available
Low framerate compensation
Not available
Yes10Maker product pageamd.com/en/products/graphics/technologies/freesync.htmlRead 5 October 2026Official AMD requires LFC for FreeSync Premium Pro, which exact U.S. model explicitly claims. No input-specific VRR interval inferred from a general scan range.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact maker 0.03 ms GtG. Fastest claim, not average measurement. The older French footnote referring to truncated 1 ms is a template error and not adopted.
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.
Yes1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact claimed Flicker Free Yes. VRR-related flicker is a separate phenomenon.
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

10 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.
BSamsung Odyssey OLED G8 G81SF 27"
TypeVersionCountDSCHDCP
HDMI2.12Yes2.2
DisplayPort1.41Yes2.2
Source1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact own U.S. Interface table: two HDMI 2.1 ports and one DisplayPort 1.4, with HDCP 2.2 on both input families. The API alone does not establish compression. DSC capability is separately proved by the exact 27-inch Stuff review, which states both inputs use DSC at native 4K 240 Hz. Link bandwidth is unproved and omitted.6Reviewstuff.tv/review/samsung-odyssey-oled-g81sf-reviewRead 5 October 2026Own model connectivity review confirms two HDMI 2.1 and one DP 1.4 with DSC. Exact U.S. API separately establishes HDCP 2.2 and counts. No bandwidth value inferred.
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.
Not available
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).
No1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact USB-C No and own complete connector inventory has no USB-C.
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.
Not available
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.
BSamsung Odyssey OLED G8 G81SF 27"
ConnectorCount
USB-B1
Source1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact USB-B Upstream Port one. USB revision for this particular upstream cell is unstated and omitted.
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.
BSamsung Odyssey OLED G8 G81SF 27"
ConnectorUSB versionCount
USB-A3.2 Gen 12
Source1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact two USB Type-A Downstream Ports, explicitly 3.2 Gen 1. The French sheet erroneous USB No is rejected.
KVM switch
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: KVM Switch Yes.
No7Reviewtechradar.com/computing/monitors/samsung-odyssey-oled-g81sf-reviewRead 5 October 2026Exact 27-inch review explicitly says no KVM in its features discussion. The original French sheet claim is inconsistent and excluded.
Daisy chain (MST)
Not available
Not available
Ethernet
Not available
No3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Own complete S27FG81*S rear connector inventory has HDMI, DP, USB-B, two USB-A, headphone and DC power, no RJ45.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Headphone Yes. Exact rear socket and manufacturer French sheet identify headphone output, corroborated review explicitly 3.5 mm.
3.5 mm microphone input
No6Measurementtftcentral.co.uk/reviews/asus-rog-swift-pg27ucdmRead 5 October 2026Useful Office Features table explicitly marks Mic input unsupported.
No3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Own complete audio connector inventory identifies a headphone output only, not a microphone input or shared headset jack.
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.
No3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Own complete port inventory has no optical audio socket.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own Picture-In-Picture Yes. This is not PBP or a hardware KVM.
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.
No6Reviewstuff.tv/review/samsung-odyssey-oled-g81sf-reviewRead 5 October 2026Exact 27-inch G81SF Features and connectivity paragraph expressly says users cannot split the screen for picture-by-picture. Not inferred only from a missing manual menu.

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
No8Reviewrtings.com/monitor/reviews/samsung/odyssey-oled-g81sf-s27fg810sRead 5 October 2026Public exact 27-inch G81SF introduction expressly says it lacks the remote found on the older G80SD. No optional or sibling remote is inherited.

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.
No1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Audio Speaker No. Headphone output is separate.
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.
120mm1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker stand travel 120 mm with tolerance ±5 mm. Not full monitor height.
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.
Forward2°Backward25°1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker -2/+25 degrees with ±2-degree tolerance at each endpoint. Positive directional magnitudes 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.
Left30°Right30°1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker -30/+30 degrees with ±3-degree tolerance at each endpoint. Positive magnitudes.
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.
Counterclockwise92°Clockwise92°1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker -92/+92 degrees with ±2-degree tolerance. Both rotation directions explicitly supported.
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.
Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Own S27FG81*S stand assembly/removal sequence and rear mounting procedure.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Maker 100 x 100, own manual mounting table agrees.
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.
No3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Own wall-mount procedure attaches an optional bracket directly to the rear 100 x 100 holes. No intermediate VESA adapter is shown.
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.
Joystick3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Product control group explicitly includes S27FG81*S JOG directional button. Layout-only Easy Setting Box software is not stored as menu control.
Desktop software
DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Features: DisplayWidget Center.
Not available
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.
Yes3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 35 Support Software Update describes user USB firmware updates. Actual firmware version remains unstated.
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.
Yes5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact G81SF 27-inch CoreSync & CoreLighting+ feature explicitly offers 16.7 million colours projected from the screen. Own rear RGB illumination, not a power LED. No different model light settings are inherited.
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.
Black Equalizer, Virtual AIM Point, Super Arena Gaming UX1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact U.S. LS27FG810SNXZA named Black Equalizer, Virtual AIM Point and Super Arena Gaming UX. No G60SF-only feature imported.

OLED care

2 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.
Screen Saver, Logo Brightness, Pixel Refresh3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 5 October 2026Printed page 24 describes automatic ten-minute Screen Saver. Page 34 Panel Care explicitly applies to S27FG81*S and lists Logo Brightness and Pixel Refresh. No other model cleaning menu is inherited.
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 pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact U.S. LS27FG810SNXZA covers burn-in during normal use within warranty, excluding commercial use, abuse and misuse. An exact U.S. G81SF warranty duration is not verified and remains omitted.
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.
Width611.7Depth263.5mm(24.1 × 10.4 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer overall width/depth with stand. Published 554.2 mm height does not identify the stand endpoint, so both height cells are omitted.
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.
Width611.7Height353.8Depth49.2mm(24.1 × 13.9 × 1.9 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact UK own G81SF table directly uses mm. The original producer sheet agrees. U.S. API incorrectly labels the same metric numbers inches, so no inch conversion is made.
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.
6.9kg(15.2 lb)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer own 27-inch with-stand kg. U.S. API wrongly labels this value pounds. No metric conversion from the typo is made.
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.
3.8kg(8.4 lb)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer own 27-inch body kg. U.S. API unit typo is rejected.
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.
Width684Height200Depth464mm(26.9 × 7.9 × 18.3 in)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer package W x H x D mm. The original Samsung France sheet independently agrees. Shipping orientation is retained.
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.
9.5kg(20.9 lb)5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact producer own shipping kg, above the 6.9 kg complete product. Adjacent 32-inch 12/11.4 kg conflicts do not affect this model.

Power

8 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.
External adapter1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Power Type External Adaptor.
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 AC1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact mains power supply AC 100-240 V. This is not DC output voltage.
Power use (typical)
Not available
45W5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact own UK producer table explicitly Power Consumption Typ 45.0 W. Mains, picture and stimulus condition are unstated. Not the separate EU-label on-mode demand or U.S. 140 W maximum.
Power use (max)
Not available
140W1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Power Consumption Max 140 W. Connected-USB load scope is unstated. Not used as adapter capacity.
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.
Not available
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.
Not available
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.
0.5W5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact own UK table DPMS 0.50 W. Not networked standby or an unverified zero.
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.
0.3W5Maker product pagesamsung.com/uk/monitors/gaming/odyssey-oled-g8-g81sf-27-inch-240hz-oled-uhd-ls27fg810suxxuRead 5 October 2026Exact own UK table Off Mode 0.30 W, separate from DPMS.
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.
Not available
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.
Not available
Energy per 1000 h SDR
Not available
Not available
Energy per 1000 h HDR
Not available
Not available

Certifications

5 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.
Not available
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.
Software1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Eye Saver Mode Yes, a selectable software filter. No hardware low-blue-light certification inferred.
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
Not available
Pantone Validated1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact Pantone Validated Yes. Not an assertion of maker Delta E or hardware calibration.
Other certifications
FSC MIX1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-swift-oled-pg27ucdm/specRead 5 October 2026Certificate: FSC MIX.
UL Glare Free1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact Specs entry LS27FG810SNXZA. Exact UL Glare Free Yes. No broad TÜV eye-care claim inferred.

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.
Monitor, Stand, External AC adapter, Power cable, HDMI cable, DisplayPort cable1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Own U.S. Accessory table includes power, HDMI and DP cables. Own manual shows stand and adapter. The European USB A-B cable is not inherited into the U.S. bundle without an explicit U.S. listing.
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.
BSamsung Odyssey OLED G8 G81SF 27"
Type
Power cable (1.5 m)
HDMI cable
DisplayPort cable
Source1Maker product pagesamsung.com/us/gapi/v1/bridge/cacheable/bridge-dataRead 8 October 2026Exact US LS27FG810SNXZA maker specification Accessory rows identify a 1.5 m power cable, HDMI cable Yes and DP cable Yes. Numeric counts are not stated. Current manufacturer API was downloaded and read. No different regional bundle is inherited.

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.
Not available
Dead pixel policy
Not available
Not available

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