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LG UltraGear 27GX704A vs LG UltraGear 27GX790A

Product A: LG

UltraGear 27GX704A

90 of 172 known
Change LG UltraGear 27GX704A

Compare the LG UltraGear 27GX790A with

Product B: LG

UltraGear 27GX790A

103 of 172 known
Change LG UltraGear 27GX790A

Compare the LG UltraGear 27GX704A with

53 of 164 fields differ

Download CSVDownload JSON
  • 29 different values
  • 24 known for one only
  • 49 the same
  • 62 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Refresh rateA: 240HzB: 480HzUltraGear 27GX790A is 240 Hz higher.
  2. Power use HDR (EU label)Lower is betterA: 22.5WB: 29.8WUltraGear 27GX704A is 7.3 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
A7.2kg
B9.3kg
Weight without stand
A4.8kg
B5.1kg
Box weight
A9.9kg
B12.5kg

All 172 fields

Every value links to where we found it.

ALG UltraGear 27GX704A
BLG UltraGear 27GX790A

General

5 of 8 differ
Series
UltraGear OLED1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The UK title says UltraGear OLED GX7 Gaming Monitor.
UltraGear OLED1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact product title.
Model numbers
27GX704A-B, 27GX704A-B.AUS, 27GX704A-B.AEK, 27GX704A-B.AEU, 27GX704A1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Page title and SKU 27GX704A-B.AEK.EEUK.UK.C. LG Germany lists 27GX704A-B.AEU and the US and Canada pages list 27GX704A-B.AUS. The EPREL model identifier is 27GX704A.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Title 27GX704A-B.AUS.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Model identifier 27GX704A.7Maker product pagelg.com/de/monitore/gaming/27gx704a-bRead 23 October 2026SKU 27GX704A-B.AEU.EEDG.DE.C.
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
195174133026, 8806096600047, 88060965999211Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026EAN 8806096600047 from the UK page data, EAN 8806096599921 from the Germany page data and UPC 195174133026 from the US spec sheet and the Canada page data.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026UPC 195174133026 for the US model 27GX704A-B.AUS.7Maker product pagelg.com/de/monitore/gaming/27gx704a-bRead 23 October 2026Page data lists EAN 8806096599921 for 27GX704A-B.AEU.
1951741082771Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Warranty UPC.
Announced
Not available
Not available
Status
Available1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The UK, Germany and Canada pages carry an active status.
Not available
Predecessor
Not available
Not available
Successor
Not available
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)
Not available
$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)
€59913Press articlepcgameshardware.de/Monitor-Display-Hardware-154105/News/LG-Ultragear-27GX704A-B-OLED-mit-Preissturz-1492408Read 23 October 2026PCGH 2026-01-26 states a manufacturer UVP of 599 euro for Germany, and LG Germany lists 599 euro. The article gives no launch-day price, so 599 is the manufacturer list price and not a verified launch price.
Not available
Markets
US, CA, GB, EU1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026UK page and the LG Germany and Canada pages are active. The US spec sheet covers the US.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026US sheet.7Maker product pagelg.com/de/monitore/gaming/27gx704a-bRead 23 October 2026LG Germany page, status active.
Not available
Colours
Black1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Page title ends with Black.
Not available
Segment
Gaming1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Sold as an UltraGear gaming monitor.
Gaming1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact gaming monitor classification.

Display

4 of 12 differ
Screen size
26.5in(67.3 cm)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Size 26.5 inch (67.32 cm). LG markets it as 27 inch. The EPREL sheet gives 67.4 cm and 27 inches.
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)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Size 26.5 inch is the panel diagonal. The EPREL screen diagonal is 67.4 cm, which is 26.5 inch.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Screen diagonal 67.4 cm, 27 inch class. Visible screen area 19.4 dm2.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Resolution 2560 x 1440.
2560 × 1440px1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Native Resolution QHD.
Aspect ratio
16:91Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Aspect Ratio 16:9.
16:91Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo Aspect Ratio.
Pixel density
110.8ppi
110.8ppi
Pixel pitch
0.2292mm1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Pixel Pitch 0.2292 x 0.2292 mm.
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
Not available
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Key features: Glare panel. The US spec sheet says Glossy OLED Display.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 202627 inch QHD Glossy OLED Display.8Reviewrtings.com/monitor/reviews/lg/27gx704a-bRead 23 October 2026RTINGS text: glossy coating.
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
Not available
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

3 of 31 differ
Panel type
WOLED1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Key features and spec table: OLED. The feature text says LG WOLED. RTINGS lists the sub-type as WOLED.8Reviewrtings.com/monitor/reviews/lg/27gx704a-bRead 23 October 2026RTINGS review published 2026-04-24: panel type OLED, sub-type WOLED. RTINGS calls it a third-gen WOLED panel. Notebookcheck calls it second-gen, so no panel generation is stored.
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)
OLED with MLA+1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature heading: OLED with MLA+ (Micro Lens Array+).
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)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026OLED is self-emissive.
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 Display9Reviewpcmonitors.info/lg/lg-ultragear-27gx704a-b-240hz-glossy-oled-modelRead 23 October 2026PCMonitors describes a 26.5 inch 2560 x 1440 glossy LG Display WOLED panel.
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
Not available
Not available
Subpixel layout
Not available
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
10bits2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Product Specification: 8-bit/10-bit colour is supported.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Color Depth (Number of Colors) 1.07B.
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
98.5%1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Color Gamut (Typ.) DCI-P3 98.5% (CIE1976). The minimum is 90.0% (CIE1976). The typical value is stored.
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
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Color Calibrated in Factory: YES.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Special features: Factory Calibrated Yes.
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
Not available
Not available
Paper calibration report in box
Not available
Not available
Hardware calibration support
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: hardware calibration through the LG Calibration Studio. Spec table HW Calibration: Ready. The software and a calibration sensor are not in the box.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Contrast Ratio (Typ.) 1500000:1, the minimum is 1200000:1. Footnote: 1.5m:1 is the contrast ratio at 25% average picture level.
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)
275nits1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Brightness (Typ.) 275 cd/m2. Feature text: standard luminosity of 275 nits.
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)
250nits1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Brightness (Min.) 250 cd/m2.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: peak brightness of 1300 nits. No window size or mode is stated on the page.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table HDR 10: YES.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table VESA DisplayHDR: DisplayHDR 400 TRUE BLACK. Footnote: True Black 400 is at 10% average picture level.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Viewing Angle (CR 10 or more) 178 degrees right and left.
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Viewing Angle (CR 10 or more) 178 degrees up and down.
178°1Maker product pagelg.com/us/monitors/lg-27gx790a-b-gaming-monitorRead 5 October 2026Exact AllInfo CR>=10 U/D.

Refresh rate and motion

8 of 22 differ
Refresh rate per resolution and port
ALG UltraGear 27GX704A
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4
2560 × 1440Native240Hz240Hz
Source1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: 27GX704A is capable of up to 240 Hz from HDMI 2.1, so QHD and 240 Hz works over DisplayPort or HDMI. A graphics card with HDMI 2.1 and the included HDMI 2.1 cable are required. Bit depth and DSC use are not stated.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Product Specification: Max Resolution and Recommended Resolution 2560 x 1440 @ 240 Hz. The preset tables list 240.083 Hz for HDMI (Input Compatibility Version 2.1 PC) and for DisplayPort (1.4 and 1.4 with DSC).3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Key features: HDMI x 2, DisplayPort x 1, 240 Hz refresh rate, HDMI FRL as compliant with HDMI 2.1.
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
240Hz
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 pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Refresh Rate (Max.) 240 Hz. No overclock mode is described.
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 Pro, G-SYNC Compatible, VESA AdaptiveSync Display, Adaptive-Sync, HDMI VRR1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: NVIDIA G-SYNC Compatible, AMD FreeSync Premium Pro and VESA certified AdaptiveSync. The manual names Adaptive-Sync over DisplayPort and VRR over HDMI.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Game Adjust, Adaptive-Sync/VRR: Supported Interface DisplayPort (Adaptive-Sync), HDMI (VRR). A graphics card that supports G-SYNC or FreeSync is needed.
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
Not available
Not available
Low framerate compensation
Not available
Not available
Response time (maker GtG claim)
0.03ms1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Spec table Response Time 0.03 ms (GTG).
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
Not available
Not available
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Footnote: LG OLED panels are certified Flicker-Free by UL, certificate A196009.
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
Not available
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)
Not available
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

10 of 19 differ
Video inputs
ALG UltraGear 27GX704A
TypeVersionCount
HDMI2.12
DisplayPort1.41
Source1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Connectivity: HDMI YES (2ea), DisplayPort YES (1ea), DP version 1.4. The HDMI 2.1 version comes from the accessory row (HDMI cable ver 2.1) and the US spec sheet.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Connection sections cover HDMI and DisplayPort. The Input Compatibility Version setting for HDMI offers 1.4 and 2.1.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026HDMI Yes x 2, HDMI Version: supports FRL as compliant with HDMI 2.1. DisplayPort Yes x 1, DP Version 1.4. Bandwidth in Gbps and HDCP are not stated.
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
2.1
2.1
Highest DisplayPort version
1.4
2.1
HDMI features
VRR2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Adaptive-Sync/VRR: HDMI (VRR).
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)
No1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The connectivity list has HDMI, DisplayPort, a USB upstream port and USB downstream ports, and no USB-C port. PCGH also states there is no USB-C with DisplayPort Alt Mode.12Press articlepcgameshardware.de/Monitor-Display-Hardware-154105/News/Gaming-Monitor-LG-Ultragear-OLED-GX7-27GX704A-B-27-Zoll-WQHD-OLED-MLA-240-Hz-guenstig-kaufen-Amazon-Angebot-1536075Read 23 October 2026PCGH article of 2026-05-21 lists 1 DisplayPort 1.4 and 2 HDMI 2.1 and states there is no USB-C with DisplayPort Alt Mode.
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
ALG UltraGear 27GX704A
ConnectorUSB versionCount
USB-B3.2 Gen 11
Source1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Connectivity: USB Upstream Port YES (1ea, ver 3.2 Gen1). The connector is type B, since the box has a USB A to B cable.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026USB Device connection: connect the A-B type USB 3.0 cable of the product to the PC.
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
ALG UltraGear 27GX704A
ConnectorUSB versionCount
USB-A3.2 Gen 12
Source1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Connectivity: USB Downstream Port YES (2ea, ver 3.2 Gen1). RTINGS describes two USB-A ports.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026USB Device connection: the USB port on the product functions as a hub.8Reviewrtings.com/monitor/reviews/lg/27gx704a-bRead 23 October 2026RTINGS text: small USB hub with two USB-A ports.
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
No8Reviewrtings.com/monitor/reviews/lg/27gx704a-bRead 23 October 2026RTINGS text says the monitor lacks a KVM switch, apart from a small USB hub with two USB-A ports. Read in Chrome. The measured result cells are for members only and are not used.
Not available
Daisy chain (MST)
Not available
Not available
Ethernet
Not available
No2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own physical connector inventory has no RJ45.
3.5 mm headphone output
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Connectivity: Headphone output 3-pole (Sound Only). The feature text calls it a 4-pole headphone out, so the pole count conflicts.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Headset Connection section.
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
Not available
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
Not available
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

1 of 5 differ
Speakers
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 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

6 of 15 differ
Stand height adjustment
130mm1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The UK dimensions with stand are 532.6 mm up and 402.6 mm down, a difference of 130 mm. The manual states 130 mm.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Adjusting the Stand Height: Max. 130.0 mm.
110mm2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 10 direct maximum 110 mm.
Tilt
Forward5°Backward21°1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Display Position Adjustments: Tilt, Height, Swivel and Pivot. The ranges are in the manual.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Adjusting the Angle: forward or backward from -5 to 21 degrees. Stored as 5 forward and 21 backward.
Forward5°Backward15°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 -5 degrees forward and +15 degrees backward.
Swivel
Left30°Right30°1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Display Position Adjustments lists Swivel. The range is in the manual.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Adjusting the Angle: 30 degrees to the left or to the right.
Left30°Right30°2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 +/-30 degrees.
Pivot
Counterclockwise90°Clockwise0°1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Display Position Adjustments lists Pivot. The range is in the manual.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Pivot Feature: the monitor rotates 90 degrees counter-clockwise only.
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 manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Wall mount instructions: remove the stand by performing the stand attachment in reverse.
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 1001Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Wall Mountable 100 x 100 mm.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Wall Mount 100 x 100 mm, M4 x L10 screws, 4 screws.
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
No2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026The wall mount plate is attached directly after the stand is removed. No VESA adapter is mentioned.
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 manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Using the Kensington Lock section. The lock itself is optional and sold separately.
Yes2Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 6 socket and cable procedure. Cable sold separately.
On-screen menu controls
Joystick, Software1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: On-Screen Display and OnScreen Control for settings and the User Defined Key. The manual describes the joystick button.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026The joystick button at the bottom of the monitor opens and controls the OSD menu. Supported software includes LG Switch and Dual Controller.
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
LG Switch, LG Calibration Studio, Dual Controller2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Supported Software: Monitor Driver, LG Switch, LG Calibration Studio and Dual Controller.
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
Not available
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
Not available
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
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Features list Black Stabiliser, Dynamic Action Sync, Crosshair and FPS Counter.
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

0 of 3 differ
OLED care
OLED Screen Move, OLED Screen Saver, OLED Image Cleaning1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The feature text names OLED Care. The manual lists the three functions.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Settings, General: OLED Screen Move, OLED Screen Saver and OLED Image Cleaning.
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
Not available
Not available
Burn-in warranty length
Not available
Not available

Dimensions and weight

5 of 7 differ
Dimensions with stand
Width605.2Height (lowest)402.6Height (highest)532.6Depth220mm(23.8 × 15.9 to 21 × 8.7 in)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Dimension with Stand (W x H x D) 605.2 x 532.6 x 220 mm (up) and 605.2 x 402.6 x 220 mm (down).2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026With stand 605.2 x 532.6 x 220.0 mm (W x H x D), the highest position.
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
Width605.2Height351Depth45.3mm(23.8 × 13.8 × 1.8 in)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Dimension without Stand (W x H x D) 605.2 x 351.0 x 45.3 mm.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Without stand 605.2 x 351.0 x 45.3 mm.
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
7.2kg(15.9 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Weight with Stand 7.2 kg.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026With stand 7.2 kg without packaging.
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
4.8kg(10.6 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Weight without Stand 4.8 kg.2Owner's manualgscs-b2c.lge.com/open/downloadFileRead 23 October 2026Without stand 4.8 kg without packaging.
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
Width673Height168Depth529mm(26.5 × 6.6 × 20.8 in)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Dimension in Shipping (W x H x D) 673 x 168 x 529 mm.
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
9.9kg(21.8 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Weight in Shipping 9.9 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

6 of 13 differ
Power supply
External adapter1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Power Type External Power (Adapter).4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Power supply type external.6Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 23 October 2026Power supply type external.
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
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Power AC Input 100 to 240 V (50/60 Hz). This is the adapter input.
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)
Not available
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)
23.5W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026On mode power demand in SDR 23.5 W.6Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 23 October 2026On mode power demand SDR 23.5 W.
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)
22.5W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026On mode power demand in HDR 22.5 W.6Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 23 October 2026On mode power demand HDR 22.5 W.
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
0.5W1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Power Consumption (Sleep Mode) less than 0.5 W. The EPREL sheet states 0.5 W.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Standby mode power demand 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
0.3W1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Power Consumption (DC Off) less than 0.3 W. The EPREL sheet states 0.3 W.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Off mode power demand 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
F1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The UK page links the EU energy label and the product information sheet, class F.5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2408077.svgRead 23 October 2026EU label class F for SDR.6Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 23 October 2026Product information sheet dated 2025-11-20: SDR class F.
F9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 3.
EU energy class HDR
F1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026The product information sheet shows HDR class F.5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2408077.svgRead 23 October 2026EU label class F for HDR.6Maker spec sheet (PDF)lg.com/uk/lgecs.downloadFile.ldwfRead 23 October 2026HDR class F.
G9EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2179094_EN.pdfRead 5 October 2026Row 5.
Energy per 1000 h SDR
24kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2408077.svgRead 23 October 2026EU label SDR value 24 kWh per 1000 h.
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
23kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2408077.svgRead 23 October 2026EU label HDR value 23 kWh per 1000 h.
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

1 of 9 differ
VESA ClearMR
13,0003Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Special features: VESA ClearMR 13000.
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
Not available
Not available
TÜV certifications
Not available
Not available
Low blue light
Hardware1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Feature text: LG WOLED is certified by UL for low blue light, platinum. Certificate: Low Blue Light Hardware Solution Platinum V745051.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Special features: Live Color Low Blue Light Yes.
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
UL Flicker-Free Display A196009, UL Discomfort Glare Free V563481, UL Low Blue Light Hardware Solution Platinum V7450511Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Footnote with certificate numbers: Flicker-Free Display (OLED) A196009, Discomfort Glare Free V563481 (UGR below 22), Low Blue Light Hardware Solution Platinum V745051.
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
Monitor, Power adapter, Power cord, DisplayPort cable, HDMI cable, USB-A to USB-B cable1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Accessory rows: HDMI (ver 2.1), Display Port, USB A to B. The manual says to use the power cord in the package, and it lists two AC/DC adaptor models.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Cabinet and accessories list the three cables.
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
ALG UltraGear 27GX704A
Type
DisplayPort cable
HDMI cable
USB-A to USB-B cable
Source1Maker product pagelg.com/uk/monitors/gaming/27gx704a-bRead 23 October 2026Accessory rows: HDMI (ver 2.1), Display Port, USB A to B. Counts are not stated. The US spec sheet lists the same three cables.3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Cabinet and accessories: Display Port Cable Yes, HDMI Cable Yes (Ver 2.1), USB A to B Cable Yes.
BLG UltraGear 27GX790A
Not available

Warranty

0 of 2 differ
Manufacturer warranty (source market)
2years3Maker spec sheet (PDF)static.pcrichard.com/docs/27GX704A-B_Specifications-Sheet_01.pdfRead 23 October 2026Limited Warranty 2-Year Parts and Labor, US. The EPREL sheet gives 1 year as the general guarantee in the EU.4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2408077_EN.pdfRead 23 October 2026Minimum duration of the general guarantee offered by the supplier is 1 year in the EU.
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.