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ASUS ROG Strix OLED XG27AQDMG vs LG UltraGear 27GX790A

Product A: ASUS

ROG Strix OLED XG27AQDMG

106 of 172 known
Change ASUS ROG Strix OLED XG27AQDMG

Compare the LG UltraGear 27GX790A with

Product B: LG

UltraGear 27GX790A

103 of 172 known
Change LG UltraGear 27GX790A

Compare the ASUS ROG Strix OLED XG27AQDMG with

75 of 164 fields differ

Download CSVDownload JSON
  • 47 different values
  • 28 known for one only
  • 37 the same
  • 52 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Refresh rateA: 240HzB: 480HzLG is 240 Hz higher.
  2. Power use (typical)Lower is betterA: 25WB: 48.22WASUS is 23.22 W lower.
  3. Standby powerLower is betterA: 0.3WB: 0.5WASUS is 0.2 W lower.
  4. Power use HDR (EU label)Lower is betterA: 25.5WB: 29.8WASUS is 4.3 W lower.

Refresh rate per resolution

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

2560 × 1440Native for both
A240Hz
B480Hz

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
A6.7kg
B9.3kg
Weight without stand
A4.2kg
B5.1kg
Box weight
A9.5kg
B12.5kg

All 172 fields

Every value links to where we found it.

AASUS ROG Strix OLED XG27AQDMG
BLG UltraGear 27GX790A

General

5 of 8 differ
Series
ROG Strix OLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
UltraGear OLED1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact product title.
Model numbers
XG27AQDMG1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
27GX790A-B1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact U.S. productData SKU. No regional suffix variants inferred.
GTIN / EAN
Not available
1951741082771Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Warranty UPC.
Announced
20 May 20247Press releasepress.asus.com/news/press-releases/rog-gaming-monitors-world-firsts-xg27aqdmg-xg27ucg-firmware-update-2024Read 5 October 2026
Not available
Status
Available1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Not available
Predecessor
Not available
Not available
Successor
ASUS ROG Strix OLED XG27AQDMG Gen213Reviewnotebookcheck.net/Asus-ROG-Strix-OLED-XG27AQDMG-Gen-2-arrives-with-upgraded-TrueBlack-Glossy-WOLED-display-and-1300-nits-peak-brightness.1248673.0.htmlRead 23 October 2026Notebookcheck says the XG27AQDMG Gen 2 (XG27AQDMGR) brings three major upgrades over its predecessor, the XG27AQDMG.14Reviewtftcentral.co.uk/reviews/asus-rog-strix-xg27aqdmg-gen-2Read 23 October 2026TFTCentral calls the XG27AQDMG Gen 2 an update to the XG27AQDMG.
LG UltraGear 27GX790B18Measurementrtings.com/monitor/reviews/lg/27gx790b-bRead 23 October 2026RTINGS says the 27GX790B-B is a newer version of the 27GX790A-B with a higher native refresh rate.
Launch price (US)
$6997Press releasepress.asus.com/news/press-releases/rog-gaming-monitors-world-firsts-xg27aqdmg-xg27ucg-firmware-update-2024Read 5 October 2026Official ASUS launch release calls US$699 MSRP. Other launch reviews quote US$749 MSRP with US$699 launch promotion. Exact maker statement retained, conflict reported.
$999.997Press releaseprnewswire.com/news-releases/lg-unveils-new-ultragear-oled-gaming-monitor-with-480hz-refresh-rate-302308714.htmlRead 5 October 2026November 18, 2024 LG-authored U.S. launch release explicitly advertised 999.99 USD for exact 27GX790A preorder. Current sale/MSRP values are not substituted. Preorder price does not prove retail availability.
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Black2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Not available
Segment
Gaming1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Gaming1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact gaming monitor classification.

Display

6 of 12 differ
Screen size
27in(68.6 cm)3Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmgRead 5 October 2026Exact feature headline: 27-inch class with 26.5-inch viewable diagonal.
26.5in(67.3 cm)1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Screen Size 26.5 despite headline 27-inch class.
Viewable screen diagonal
26.5in(67.3 cm)3Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmgRead 5 October 2026
26.5in(67.3 cm)3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4/printed page 5-6 exact 27GX790A-B column 26.5-inch panel.
Native resolution
2560 × 1440px1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
2560 × 1440px1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Native Resolution QHD.
Aspect ratio
16:91Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
16:91Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Aspect Ratio.
Pixel density
108.8ppi
110.8ppi
Pixel pitch
Not available
0.2292mm1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo 0.2292 x 0.2292 mm. Product sheet whole-mm active 587 x 330 is consistent at its published precision.
Active display area
Not available
Width587Height330mm(23.1 × 13 in)3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026Exact column published active area 587 x 330 mm. These whole-mm values are not derived from pixel pitch.
Curved
No3Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmgRead 5 October 2026Exact front-view product image shows flat panel.
No5Maker product pagelge.co.kr/product/monitors/27gx790aRead 5 October 2026Exact product specification Curved X, corroborated flat panel in maker release.
Curvature radius
Not available
Not available
Screen surface
Glossy1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Matte8Press articletftcentral.co.uk/news/lg-ultragear-27gx790a-released-with-27-1440p-480hz-oled-panel-and-displayport-2-1Read 5 October 2026Exact-model specs explicitly standard matte anti-glare coating.
Anti-reflection coating
Anti-reflective treatment8Reviewpcmonitors.info/asus/asus-rog-strix-oled-xg27aqdmg-240hz-glossy-qhd-oledRead 8 October 2026Exact original XG27AQDMG article names a glossy surface with anti-reflective treatment. This does not borrow the later Gen2 TrueBlack coating.
Anti-Glare, Low-Reflection of the front polarizer1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Surface Treatment.
Touchscreen
Not available
Not available

Panel

8 of 31 differ
Panel type
WOLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
WOLED7Press releaseprnewswire.com/news-releases/lg-unveils-new-ultragear-oled-gaming-monitor-with-480hz-refresh-rate-302308714.htmlRead 5 October 2026November 18 LG-authored release explicitly WOLED for exact model. Not newer GX790B Tandem or QD-OLED.
Panel type (as published)
WOLED1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
WOLED7Press releaseprnewswire.com/news-releases/lg-unveils-new-ultragear-oled-gaming-monitor-with-480hz-refresh-rate-302308714.htmlRead 5 October 2026Exact maker release expressly WOLED.
Backlight
None (self-emissive)3Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmgRead 5 October 2026Exact WOLED product. Self-emissive OLED panel rather than a backlight.
None (self-emissive)2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 22 explicitly OLED pixels emit their own light.
Local dimming
Not available
Not available
Dimming zones
Not available
Not available
Panel maker
LG Display5Reviewpcworld.com/article/2351497/asus-rog-strix-xg27aqdmg-review.htmlRead 5 October 2026
LG Display8Press articletftcentral.co.uk/news/lg-ultragear-27gx790a-released-with-27-1440p-480hz-oled-panel-and-displayport-2-1Read 5 October 2026Exact-model introduction explicitly underlying WOLED panel produced by LG Display.
Panel part number
Not available
Not available
Panel generation
Third-generation WOLED5Reviewpcworld.com/article/2351497/asus-rog-strix-xg27aqdmg-review.htmlRead 5 October 2026Review explicitly identifies LG third-generation WOLED. This is panel generation, not monitor product generation.
Not available
Subpixel layout
RWBG8Reviewpcmonitors.info/asus/asus-rog-strix-oled-xg27aqdmg-240hz-glossy-qhd-oledRead 8 October 2026Exact model explicitly uses RWBG subpixel arrangement. This differs from PG27AQDP RGWB.
RGWB13Reviewrtings.com/monitor/learn/woled-vs-qd-oledRead 5 October 2026Public WOLED explainer named example table explicitly RGWB for LG 27GX790A-B. Not inferred solely from refresh rate/generation.
Colour depth
10bits1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
10bits2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 supports 8/10-bit signals. Native/FRC panel implementation unproved and omitted.5Maker product pagelge.co.kr/product/monitors/27gx790aRead 5 October 2026Exact Korean product specification explicitly 1.07B(10 bit). This is producer colour claim, while manual 23 separately describes accepted 8/10-bit signals. Native/FRC implementation remains unproved.
Colour depth method
Not available
Not available
Displayable colours
1.07 billion1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Maker display colours: 1073.7M. Normalised to 1.07 billion by the monitor field convention.
1.07 billion1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo 1.07B.
sRGB coverage
Not available
Not available
DCI-P3 coverage
99%1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Maker DCI-P3 claim. CIE reference is not stated. The separate 135% sRGB value is volume and is not stored as coverage.
98.5%1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo DCI-P3 coverage CIE 1976. Not volume or measured gamut.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes8Reviewpcmonitors.info/asus/asus-rog-strix-oled-xg27aqdmg-240hz-glossy-qhd-oledRead 8 October 2026Article explicitly names included factory calibration with Delta E <2. A physical paper report is not established.
Yes1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Color Calibrated and Factory Calibration Yes. U.S. physical paper report inclusion is not independently proved by a regional UK claim.
Claimed Delta E
21Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Published as Delta E < 2. Colour space and average/maximum statistic are not stated.
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo H/W Calibration True Color Pro Yes. Current manual has LG Calibration Studio and calibrated profiles.
Static contrast ratio
1,500,000:11Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
1,500,000:11Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo typical 1.5M:1, not measured infinite contrast.
Brightness (typical, SDR)
Not available
275nits1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo typical 275 cd/m². Minimum guaranteed 250 is separate.
Brightness (maker minimum)
Not available
250nits1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo manufacturing guaranteed minimum 250 cd/m². Not minimum user-selectable luminance.
Peak brightness (HDR)
1,300nits1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Maker HDR peak. Window/APL, mode and duration are not stated. Peak brightness may vary due to colour pre-calibration.
1,300nits1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo HDR 1300 cd/m² at 1.5% APL, same exact column in producer sheet. Not panel-only response/brightness marketing borrowed from another monitor.
HDR peak test window
Not available
1.5%1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo HDR 1.5% APL.
Full-screen brightness
Not available
Not available
HDR formats
HDR101Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
HDR101Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo HDR10 Yes. HDR Effect is not an accepted additional format.
HDR certification
DisplayHDR True Black 4001Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
DisplayHDR True Black 4001Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo VESA DisplayHDR True Black 400, not LCD DisplayHDR 400.
Viewing angle (horizontal)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo CR>=10 R/L.
Viewing angle (vertical)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo CR>=10 U/D.

Refresh rate and motion

13 of 22 differ
Refresh rate per resolution and port
AASUS ROG Strix OLED XG27AQDMG
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4
2560 × 1440Native144Hz240Hz
Source4Reviewwindowscentral.com/accessories/monitors/asus-rog-strix-oled-27-xg27aqdmg-reviewRead 5 October 2026Exact-model review explicitly states full 240 Hz only via DisplayPort and maximum 144 Hz via HDMI. Maker tech-spec native resolution/max rate and manual VRR endpoints corroborate. Bit depth, chroma and compression state of the tested maxima are not stated and remain omitted.
BLG UltraGear 27GX790A
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1
2560 × 1440Native480Hz480Hz
Source3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4 exact connector maximum-resolution section: two HDMI ports and one DP port native 480 Hz. No lower preset row stored.5Maker product pagelge.co.kr/product/monitors/27gx790aRead 5 October 2026Exact specifications explicitly maximum resolution and refresh HDMI 2.1 and DP 2.1 each 2560 x 1440 at 480. Maker sheet connector maximum section independently agrees. Preset timings do not prove lower-resolution maxima. Depth/chroma/DSC operating cells unknown and omitted.
Max refresh rate
240Hz
480Hz
Max refresh rate at native resolution
240Hz
480Hz
Max refresh rate over DisplayPort
240Hz
480Hz
Max refresh rate over HDMI
144Hz
480Hz
Max refresh rate over USB-C
Not available
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
240Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
480Hz1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo 480 Hz at native QHD, direct input maxima separately proved. No overclock or dual-mode inherited.
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
FreeSync Premium, G-SYNC Compatible, VESA AdaptiveSync Display1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
FreeSync Premium Pro, G-SYNC Compatible, VESA AdaptiveSync Display, HDMI VRR1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo three named certifications. HDMI VRR explicitly supported interface in manual printed page 19. Not a hardware G-SYNC module.2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 19 expressly supported interfaces DisplayPort Adaptive-Sync and HDMI VRR.
VRR range per port
AASUS ROG Strix OLED XG27AQDMG
InputMin (Hz)Max (Hz)
HDMI40144
DisplayPort40240
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Gaming menu 3-2 explicitly gives Variable Refresh Rate HDMI 40-144 Hz and DisplayPort 40-240 Hz. Not inferred from scan ranges.
BLG UltraGear 27GX790A
Not available
Low framerate compensation
Yes8Reviewpcmonitors.info/asus/asus-rog-strix-oled-xg27aqdmg-240hz-glossy-qhd-oledRead 8 October 2026Article explicitly states 40-240 Hz adaptive-sync range plus LFC. This describes PC adaptive-sync and does not claim LFC on every console or input.
Not available
Response time (maker GtG claim)
0.03ms2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14 lists 0.03 ms. Maker feature page specifies grey-to-grey.
0.03ms1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo 0.03 ms GtG at Faster. LG Display panel marketing 0.02 is not this monitor claim or mean measurement.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Gaming menu printed p 3-2 names ELMB and restricts it to fixed 120 Hz with VRR off. Image menu p 3-5 disables ELMB when HDR is on. The manual does not identify the insertion mechanism. Independent exact-model RTINGS public introduction confirms black frame insertion, sourced separately.
Not available
Blur-reduction technology
ELMB2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Not available
Blur reduction works with VRR
No2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Not available
Flicker-free (claimed)
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Yes4Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact-model maker eye-care section explicitly lists panel UL Flicker-Free Display A196009. Separate Reader mode and VRR flicker are not confused with panel certification.
Black frame insertion
Yes9Reviewrtings.com/monitor/reviews/asus/rog-strix-oled-xg27aqdmgRead 8 October 2026Public introduction explicitly names an optional black frame insertion feature. No protected test numbers are used. Manual restricts ELMB to fixed 120 Hz with VRR off and HDR off.
No8Press articletftcentral.co.uk/news/lg-ultragear-27gx790a-released-with-27-1440p-480hz-oled-panel-and-displayport-2-1Read 5 October 2026Exact model article says LG confirmed it does not support BFI.

Measured

1 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)
Not available
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
260nits5Reviewpcworld.com/article/2351497/asus-rog-strix-xg27aqdmg-review.htmlRead 5 October 2026SDR image quality section: maximum full-screen SDR white luminance 260 nits. Picture mode, uniform-brightness setting, connection, firmware and instrument are not stated in public prose.
415nits14Measurementtomshardware.com/monitors/gaming-monitors/lg-27gx790a-27-inch-480-hz-oled-gaming-monitor-review/3Read 5 October 2026Uncalibrated maximum backlight section explicitly 25% white window, Peak Brightness High, default Gamer 1 per page 1 test setup. Brightness maximum, variable-brightness behaviour. Firmware not identified. Not claimed full-screen 275 or HDR peak 763.17Measurementtomshardware.com/monitors/gaming-monitors/lg-27gx790a-27-inch-480-hz-oled-gaming-monitor-reviewRead 5 October 2026OSD Features section explicitly tested default Gamer 1 and Peak Brightness High 25% window 415 nits SDR. Page 3 separately proves uncalibrated maximum 415. No preset is inferred from a different HDR test or another monitor.
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)
Not available
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

8 of 19 differ
Video inputs
AASUS ROG Strix OLED XG27AQDMG
TypeVersionCountDSC
DisplayPort1.41Yes
HDMI2.02Not available
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
BLG UltraGear 27GX790A
TypeVersionCountMax bandwidth (Gbps)HDCP
DisplayPort2.11542.3
HDMI2.12Not availableNot available
Source1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo DP 2.1 x 1, HDMI 2.1 x 2 and explicitly DP HDCP 2.3. HDMI HDCP/bandwidth/DSC cells unproved. Current Japanese maker exact DP explicitly UHBR13.5, resolving old 80 Gbps marketing. TFT reports support confirmation 54 Gbps. No quoted 67% calculation used as sole proof.6Maker product pagelg.com/jp/monitors/gaming-monitors/27gx790a-bRead 5 October 2026Current exact-model DisplayPort 1 (UHBR13.5), version 2.1. Supplied DP80 cable does not imply 80 Gbps monitor input.8Press articletftcentral.co.uk/news/lg-ultragear-27gx790a-released-with-27-1440p-480hz-oled-panel-and-displayport-2-1Read 5 October 2026Updated November 22 page records LG support explicit UHBR13.5 (54 Gbps), while earlier 80 Gbps claim and pending team confirmation are documented. Current exact Japanese maker independently confirms UHBR13.5. Per-mode DSC unknown.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.0
2.1
Highest DisplayPort version
1.4
2.1
HDMI features
Not available
VRR2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 19 explicitly HDMI VRR. ALLM/CEC and other HDMI features are not inferred.
USB-C video (DP Alt Mode)
No5Reviewpcworld.com/article/2351497/asus-rog-strix-xg27aqdmg-review.htmlRead 5 October 2026Connectivity section explicitly says USB-C connectivity is not available.
No2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connectors in QSG and manual 14-16 are DP, two HDMI, USB-B/A, headset and DC. No USB-C socket.
USB-C power delivered
Not available
Not available
Thunderbolt
Not available
Not available
USB upstream ports
AASUS ROG Strix OLED XG27AQDMG
ConnectorUSB versionCount
USB-B3.01
Source2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14 labels hub USB3.0. Back-view drawing identifies physical Type-B upstream. Downstream ports use newer tech-spec Gen 1 branding.
BLG UltraGear 27GX790A
ConnectorUSB versionCount
USB-B3.01
Source1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo one port, USB 3.0. Manual 16 explicitly A-B type USB 3.0 upstream cable.
USB downstream hub ports
AASUS ROG Strix OLED XG27AQDMG
ConnectorUSB versionCount
USB-A3.2 Gen 12
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
BLG UltraGear 27GX790A
ConnectorUSB versionCount
USB-A3.02
Source1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo two ports, USB 3.0 and matching QSG two physical Type-A sockets.
KVM switch
Not available
Not available
Daisy chain (MST)
Not available
Not available
Ethernet
No2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Exhaustive rear I/O drawing printed p 1-5 lists DC input, headphone output, HDMI, DisplayPort and USB. No Ethernet connector.
No2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own physical connector inventory has no RJ45.
3.5 mm headphone output
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Yes3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4 exact four-pole headphone/mic and footnote 9 explicitly 3.5 mm stereo mini plug.
3.5 mm microphone input
No2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Complete physical I/O drawing printed p 1-5 shows an earphone output and no microphone input.
Yes3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026Same combined four-pole 3.5 mm socket. Manual 16 requires USB upstream connected to PC for microphone.
Optical out
No2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Complete physical I/O drawing printed p 1-5 contains no optical connector.
No2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own inventory has no optical socket. Older 27GS95QE optical output not inherited.
Picture in picture
Not available
No3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4 exact 27GX790A PIP/PBP dash while other named models have explicit modes.
Picture by picture
Not available
No3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026Same exact model PIP/PBP dash.

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
No12Reviewrtings.com/monitor/reviews/lg/27gx790a-bRead 5 October 2026Public exact-model Differences table explicitly 27GX790A Remote Control No. Its incorrect 27GS95QE sibling remote row is not inherited.

Audio and camera

0 of 5 differ
Speakers
No1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
No3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4 exact Built-in Speakers dash, Korean exact X corroborates. Volume and DTS headphone controls do not imply speakers.
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Not available
Webcam
Not available
Not available
Microphone
Not available
Not available

Ergonomics and controls

8 of 15 differ
Stand height adjustment
120mm2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
110mm2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 10 direct maximum 110 mm.
Tilt
Forward5°Backward20°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Forward5°Backward15°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 -5 degrees forward and +15 degrees backward.
Swivel
Left45°Right45°2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Left30°Right30°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 +/-30 degrees.
Pivot
Counterclockwise90°Clockwise90°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Clockwise90°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11-12 explicitly clockwise 90 only. Unknown counterclockwise cell omitted, no zero inferred.
Removable stand
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Yes2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 8 explicitly remove stand before wall mount by reversing assembly.
VESA mount
100 x 1002Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
100 x 1002Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 7 mounting table 100 x 100 mm, direct rear plate diagram 9.
VESA adapter needed
Yes8Reviewpcmonitors.info/asus/asus-rog-strix-oled-xg27aqdmg-240hz-glossy-qhd-oledRead 8 October 2026Exact-model article states 100x100 VESA mounting is facilitated with an included adapter bracket. Manual printed p 2-1 directs installation of VESA wall mount kit.
No2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 7-9 direct rear mounting plate attachment, no intermediate adapter.
Security lock slot
Yes2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Yes2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 6 socket and cable procedure. Cable sold separately.
On-screen menu controls
Joystick, Buttons, Software2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Joystick, Software2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 9-10 joystick and printed page 18 LG Switch personalized picture wizard. No remote or extra buttons inferred.
Desktop software
ASUS DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
LG Switch, LG Calibration Studio2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 13 exact supported apps and 18 calibrated profiles/personalized picture wizard. Dual Controller software does not establish hardware KVM.
User firmware updates
Yes10Maker product pageasus.com/tw/supportonly/xg27aqdmg/helpdesk_biosRead 8 October 2026Exact original XG27AQDMG support page provides MCM108 (2026-04-29) and earlier user updates, including MCM103 by USB drive and one-key update. XG27AQDMGR Gen2 firmware is excluded.
Yes12Reviewrtings.com/monitor/reviews/lg/27gx790a-bRead 5 October 2026Public exact-model review states testing 3.03/2.04 then retested input lag with updated 3.04/2.04. This proves firmware update capability, not current latest version. Numeric locked results not extracted.
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Yes5Reviewpcworld.com/article/2351497/asus-rog-strix-xg27aqdmg-review.htmlRead 5 October 2026Design section describes RGB-LED rear ROG logo customizable in OSD or Aura Sync.
Yes1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Hexagon RGB lighting, manual 21 static/cycling control.
Gaming menu features
GamePlus, GameVisual, Shadow Boost2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo named features and manual 19. Crosshair/FPS counter mutually exclusive.

OLED care

3 of 3 differ
OLED care
Screen Saver, Pixel Cleaning, Screen Move, Adjust Logo Brightness2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
OLED Screen Move, OLED Screen Saver, OLED Image Cleaning2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 21-22 exact three named menus. Image cleaning roughly 10 minutes and after four hours. No separate Pixel Cleaning/proximity sensor inherited.
Burn-in covered by warranty
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Not available
Burn-in warranty length
3years1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Global ASUS product specification explicitly includes panel burn-in.
Not available

Dimensions and weight

6 of 7 differ
Dimensions with stand
Width605Height (lowest)388Height (highest)508Depth219mm(23.8 × 15.3 to 20 × 8.6 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14 gives 605 x (388-508) x 219 mm. Endpoints match 120 mm stand travel.
Width605.2Height (lowest)469.3Height (highest)579.3Depth249.1mm(23.8 × 18.5 to 22.8 × 9.8 in)4Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact current UP/DOWN metric values. Manual 23 independently maximum 605.2 x 579.3 x 249.1, KR both positions agree. Minimum published, not calculated.
Dimensions without stand
Width605Height368Depth50mm(23.8 × 14.5 × 2 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Width605.2Height351Depth45.3mm(23.8 × 13.8 × 1.8 in)2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 direct metric values. Rounded inch values not converted into extra precision.
Stand footprint
Not available
Not available
Weight with stand
6.7kg(14.8 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14: Net Weight (Esti.) 6.7 kg.
9.3kg(20.5 lb)2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 direct net 9.3 kg. Current US 20.5 lb rounding and manual 20.4 lb differ, metric priority.
Weight without stand
4.2kg(9.3 lb)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Global tech specs estimate. Can vary by region.
5.1kg(11.2 lb)2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 direct 5.1 kg, not computed.
Box dimensions
Width673Height440Depth220mm(26.5 × 17.3 × 8.7 in)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
Width820Height183Depth532mm(32.3 × 7.2 × 20.9 in)4Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact shipping W x H x D 820 x 183 x 532 mm. Packaging orientation retained literally, corroborated U.S. rounded 32.3 x 7.2 x 20.9 inch.
Box weight
9.5kg(20.9 lb)2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14: Gross Weight (Esti.) 9.5 kg.
12.5kg(27.6 lb)4Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact current shipping 12.5 kg, above product 9.3 kg.

Power

9 of 13 differ
Power supply
External adapter2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026
External adapter2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 external 19 V 7.37 A adapter models ADS-150KL-19N-3 and A40-Z7370R190-140G0-E. A 140.03 W cannot be exactly represented by integer adapter field, so omitted. Monitor 19 V, 7 A, 133 W rating is not max consumption.
Adapter rating
120W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14 adapter rating 20 V, 6 A, exactly 120 W rated output.
Not available
Input voltage
100-240 V AC, 50/60 Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
100-240 V AC, 50/60 Hz1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo mains Input. Not monitor DC input rating.
Power use (typical)
25W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Specifications 3-14 Power ON consumption 25 W at screen brightness 200 nits without audio/USB/card-reader connection.
48.22W1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo 48.22 W typical. March producer sheet exact column agrees On Mode 48.22, footnote 11 at 200 nits using one hour video. KR 48.5 is not substituted, EU 24.7 stored separately.3Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026PDF page 4 exact 48.22 W On Mode, footnote 11 at 200 cd/m² using one hour video. EU default 60 Hz has separate 24.7 SDR/29.8 HDR values.
Power use (max)
Not available
Not available
Power use SDR (EU label)
24.4W11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Regulated on-mode SDR demand. Separate from the manual 25 W operating condition at 200 nits.
24.7W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 4 EU SDR On Mode.
Power use HDR (EU label)
25.5W11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Regulated on-mode HDR demand. This is not maximum operating power.
29.8W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 6 EU HDR On Mode.
Standby power
0.3W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Original manual printed p 3-14 states power saving <0.5 W. This upper bound is not stored as an exact demand. The current EU EPREL fiche declares the stored standby value 0.3 W.11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Exact-model EU fiche declares standby demand 0.3 W. This is the regulatory declared value, not a reviewer measurement. Original manual printed p 3-14 states the compatible upper bound <0.5 W.
0.5W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 8 regulatory standby, not producer less-than inequality.
Off-mode power
0.2W2Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27AQDMG/ASUS_XG27AQDMG_UM_English.pdfRead 8 October 2026Original manual printed p 3-14 states power off <0.3 W. This upper bound is not stored as an exact demand. The current EU EPREL fiche declares the stored off-mode value 0.2 W.11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Exact-model EU fiche declares off-mode demand 0.2 W. This is the regulatory declared value, not a reviewer measurement. Original manual printed p 3-14 states the compatible upper bound <0.3 W.
0.3W9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 7 regulatory off, not producer less-than inequality.
EU energy class SDR
F11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Exact current product fiche class F.
F9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 3.
EU energy class HDR
F11EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1957748_EN.pdfRead 8 October 2026Exact current product fiche HDR class F. This is not inferred from other OLED models.
G9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 5.
Energy per 1000 h SDR
24kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1957748.pdfRead 8 October 2026Exact-model energy label explicitly prints 24 kWh/1000h. Not calculated from the fiche power.
25kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2179094.pdfRead 5 October 2026Exact model label 25 visually inspected, not rounded from 24.7 W.
Energy per 1000 h HDR
26kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1957748.pdfRead 8 October 2026Exact-model energy label explicitly prints 26 kWh/1000h. Not calculated or copied from another model.
30kWh10EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2179094.pdfRead 5 October 2026Exact model label 30 visually inspected, not rounded from 29.8 W.

Certifications

4 of 9 differ
VESA ClearMR
Not available
21,0003Maker spec sheet (PDF)lg.com/content/dam/channel/wcms/jp/catalog/pdf/202503_monitor_ultragear.pdfRead 5 October 2026March 2025 producer sheet exact 27GX790A column explicitly ClearMR 21000. This is documented current certification after initial December 2024 retail, not asserted at November preorder announcement or first retail day. VESA formally announced new 21000 tier December 30, 2024. No hardware/firmware change claimed.16Certification listvesa.org/featured-articles/vesa-adds-new-performance-levels-to-clearmr-and-displayhdr-true-black-standards-to-support-display-technology-advances-for-gamers-and-content-creatorsRead 5 October 2026The December 30, 2024 VESA announcement introduces the ClearMR 21000 tier and directly names the LG 27GX790A as certified. The March 2025 maker catalogue independently confirms the exact model certification. Current certification is distinct from its November preorder announcement.
VESA AdaptiveSync Display
240Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Not available
TÜV certifications
Flicker-free, Low Blue Light (Hardware Solution)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Not available
Low blue light
Hardware1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026
Hardware4Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact-model maker eye-care section explicitly lists panel UL Low Blue Light Hardware Solution Platinum V745051. Separate Reader mode is not confused with panel certification.
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
Not available
UL Flicker-Free Display A196009, UL Discomfort Glare Free V563481, UL Low Blue Light Hardware Solution Platinum V7450514Maker product pagelg.com/uk/monitors/gaming/27gx790a-bRead 5 October 2026Exact-model maker eye-care section explicitly lists panel UL certifications A196009, V563481 and V745051. Discomfort glare condition UGR<22.

In the box

2 of 2 differ
In the box
DisplayPort cable, HDMI cable, Microfiber cloth, Power adapter, Power cord, Quick start guide, ROG pouch, ROG sticker, USB 3.2 cable, VESA mount kit, Warranty Card1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Global accessories list, expressly varies by region. Cable counts are not inferred.
Monitor, Stand body, Stand base, AC/DC adapter, HDMI cable, DisplayPort cable, USB A-to-B cable1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo cable/accessory entries, core monitor/stand/adapter in exact U.S. QSG cover. No regional paper report, cable count/length or remote inferred.11Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Exact U.S. support QuickGuide MFL72155882, nine PDF pages, cover 27GX790A. Core monitor/stand/adapter shown, optional regional cable alternatives bound to exact U.S. AllInfo cable list. No paper report inferred.
Cables included
AASUS ROG Strix OLED XG27AQDMG
Type
DisplayPort cable
HDMI cable
Power cord
USB 3.2 cable
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Maker accessories list. Count is not stated, so no quantity is inferred. Bundle varies by region.
BLG UltraGear 27GX790A
Not available

Warranty

1 of 2 differ
Manufacturer warranty (source market)
3years1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-oled-xg27aqdmg/specRead 5 October 2026Global ASUS product specification states 3 years including panel burn-in. Local terms can vary.
2years1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo U.S. 2 Year Parts and Labor. Current support agrees 2 years. Earlier November article quotes conflicting 1 year label, current maker wins. Burn-in-specific coverage unstated and omitted.
Dead pixel policy
Not available
Not available

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