arkivoAPI
Menu

Monitors / Compare

Dell Alienware AW3926QW vs LG UltraGear 27GX790B

Product A: Dell

Alienware AW3926QW

110 of 172 known
Change Dell Alienware AW3926QW

Compare the LG UltraGear 27GX790B with

Product B: LG

UltraGear 27GX790B

103 of 172 known
Change LG UltraGear 27GX790B

Compare the Dell Alienware AW3926QW with

92 of 164 fields differ

Download CSVDownload JSON
  • 54 different values
  • 38 known for one only
  • 28 the same
  • 44 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Power use (max)Lower is betterA: 360WB: 46.32WLG is 313.68 W lower.
  2. Refresh rateA: 165HzB: 540HzLG is 3.3 times higher.
  3. Power use SDR (EU label)Lower is betterA: 40.3WB: 24.7WLG is 15.6 W lower.
  4. Response timeLower is betterA: 0.03msB: 0.02msLG is 0.01 ms lower.
  5. Pixel densityA: 142.9ppiB: 110.8ppiDell is 32.1 ppi higher.
  6. ContrastA: 1,750,000:1B: 1,500,000:1Dell is 1.2 times higher.
  7. Peak brightness (HDR)A: 1,300nitsB: 1,500nitsLG is 200 nits higher.

Refresh rate per resolution

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

5120 × 2160Native for A
A165Hz
BNot listed
2560 × 1440Native for B
ANot listed
B540Hz
2368 × 1332
ANot listed
B540Hz
2560 × 1080
A330Hz
BNot listed
1280 × 720
ANot listed
B720Hz

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
A11.22kg
B6.8kg
Weight without stand
A7.76kg
B4.3kg
Box weight
A17.55kg
B9.8kg

All 172 fields

Every value links to where we found it.

ADell Alienware AW3926QW
BLG UltraGear 27GX790B

General

6 of 8 differ
Series
Alienware1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026General Information / Product Line.
UltraGear1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026INFO: Product name UltraGear
Model numbers
AW3926QW1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Tech specs / Product Model. Dell manufacturer part MW05R and Dell SKU numbers are not listed. A SKU 210-BWYZ was not found on any source.
27GX790B-B, 27GX790B-B.AUS, 27GX790B-B.AEU, 27GX790B-B.AEK, 27GX790B-B.AHK1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Regional suffixes from the LG UK, DE, HK and US pages2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 20263Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 20264Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026
GTIN / EAN
8841167043621Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026UPC in the page's structured product data (gtin). U.S. listing.
195174137055, 8806096678008, 8806096736500, 88060966713131Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 20268806096736500 on this UK page (27GX790B-B.AEK). The DE, HK and US codes come from the other sources2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 2026EAN 8806096678008 for SKU 27GX790B-B.AEU3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026EAN 8806096671313 for SKU 27GX790B-B.AHK4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026UPC 195174137055
Announced
1 June 20263Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 2026Dell formally announced the monitor on 1 June 2026 (Computex 2026).
December 20258Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026China launch reported 2025-12-10
Status
Available1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Exact-model U.S. listing with Dell price and add to cart.
Available1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026On sale at 599.98 GBP (list 899.99 GBP) on the date accessed
Predecessor
Not available
LG UltraGear 27GX790A11Reviewrtings.com/monitor/reviews/lg/27gx790b-bRead 30 September 2026RTINGS says the 27GX790B-B is a newer version of the 27GX790A-B with a higher native refresh rate.
Successor
Not available
Not available
Launch price (US)
$1,099.991Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Dell U.S. price $1,099.99, equal to the launch price reported by TFTCentral. U.S. prices exclude sales tax.
$999.9910Press releaselgusnewsroom.com/press-release/the-ultragear-gx7-is-changing-the-game-as-lgs-fastest-and-brightest-oled-gaming-monitor-to-dateRead 30 September 2026January 6, 2026 U.S. rollout announcement: pre-order retail price $999.99.
Launch price (EU)
€1,1494Press articletftcentral.co.uk/news/alienwares-aw3926qw-available-to-buy-now-in-us-uk-and-european-pricing-also-confirmedRead 14 October 2026EUR 1,149 for Europe, announced 27 August and updated 8 September 2026 when the EU and UK pages went live (UK GBP 999, US USD 1,099.99). The article does not state tax treatment. Prices are the launch prices, no sale price.
Not available
Markets
US, EU, GB1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026U.S. from the Dell U.S. page. EU and GB from the TFTCentral launch pricing article.
US, DE, GB, HK1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026GB from this page, DE and HK from LG Germany and LG Hong Kong, US from the LG US spec sheet2Maker product pagelg.com/de/monitore/gaming/27gx790b-bRead 30 September 20263Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 20264Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026
Colours
Nova Black1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Physical Characteristics / Product Color: Nova Black.
Not available
Segment
Gaming1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Product Type: Gaming OLED Monitor. Application/Usage: Gaming.
Gaming1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026

Display

11 of 12 differ
Screen size
38.9in(98.8 cm)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 viewable diagonal 38.9 in. The maker markets a 39 in. class monitor.
26.5in(67.3 cm)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Size [Inch] 26.5. Marketed as 27-inch
Viewable screen diagonal
38.9in(98.8 cm)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Viewable image diagonal 987.0 mm (38.9 in.).
Not available
Native resolution
5120 × 2160px2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p13 Maximum preset resolution 5120 x 2160 at 165 Hz (WUHD mode).
2560 × 1440px1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Aspect ratio
21:92Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Aspect ratio 21:9.
16:91Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Pixel density
142.9ppi
110.8ppi
Pixel pitch
0.1776mm2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Pixel pitch horizontal and vertical 0.1776 mm.
0.2292mm1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Active display area
Width909.31Height383.62mm(35.8 × 15.1 in)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Active area horizontal 909.31 mm, vertical 383.62 mm.
Not available
Curved
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 and p12: 1500R curvature.
No8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Flat format
Curvature radius
1,500mm2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Curvature 1500R.
Not available
Screen surface
Glossy3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 2026Dell opted for a glossy screen coating instead of matte anti-glare. Dell lists the coating as Anti-Reflectance with 2H hard-coating.
Matte8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Standard matte anti-glare. RTINGS also calls the coating matte
Anti-reflection coating
Anti-Reflectance (AR) with hard-coating 2H1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Manual p12 gives the full wording. Page: Surface Treatment Anti-reflectance, Glass Hardness 2H.
Not available
Touchscreen
Not available
Not available

Panel

14 of 31 differ
Panel type
WOLED3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 20264th Gen Tandem WOLED panel from LG Display with an RGB stripe layout and no white sub-pixel. The article notes the W in WOLED is the white light of the panel and does not mean a white sub-pixel. Dell's own wording is RGB Stripe Tandem OLED.
WOLED8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026LG Display 4th-Gen WOLED, Primary RGB Tandem
Panel type (as published)
RGB Stripe Tandem OLED2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Product features: four stack, three sub-pixel RGB Stripe Tandem OLED panel.
Primary RGB Tandem OLED7Press releaselgusnewsroom.com/press-release/lg-unveils-ultragear-evo-redefining-5k-gaming-with-worlds-first-ai-upscaling-technologyRead 30 September 2026QHD Primary RGB Tandem OLED display. Global sales from the opening day of CES 2026
Backlight
None (self-emissive)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Panel technology: Organic Light Emitting Diode (OLED). Self-emissive.
None (self-emissive)8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
Local dimming
Not available
Not available
Dimming zones
Not available
Not available
Panel maker
LG Display3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 2026Panel from LG Display.
LG Display8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
Panel part number
Not available
Not available
Panel generation
4th generation Tandem WOLED3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 20264th Gen Tandem WOLED technology panel.
4th Gen8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026
Subpixel layout
RGB stripe2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 three sub-pixel RGB Stripe Tandem OLED panel.
Not available
Colour depth
10bits2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Color depth 1.07 billion colors, which is 10 bits per channel. p84 troubleshooting instructs selecting 10 bpc output. Native panel versus FRC method is not stated and omitted.
10bits5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 20268-bit/ 10-bit color is supported. Method not stated
Colour depth method
Not available
Not available
Displayable colours
1.07 billion2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Color depth: 1.07 billion colors.
1.07 billion1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published as 1.07B
sRGB coverage
Not available
Not available
DCI-P3 coverage
99%2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Color gamut DCI-P3 99% (CIE 1976) (typical). TFTCentral reports 99.5%. The manual takes precedence.
99.5%3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Color Gamut (Typ.) DCI-P3 99.5% (CIE1976), Min. 94.0%
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Calibration accuracy Delta E < 2 (average) at sRGB and DCI-P3. OSD MORE INFORMATION p65 has a FACTORY COLOR menu with the color data calibrated at the factory.
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Claimed Delta E
22Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Delta E < 2 (average) at sRGB and DCI-P3. The numeric bound 2 is stored.
Not available
Paper calibration report in box
No2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026pp6-7 Package contents list no printed calibration report. The Factory Color Report is shown on screen in the OSD (p65 FACTORY COLOR) and Dell's store package list matches the manual.
Not available
Hardware calibration support
Not available
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Static contrast ratio
1,750,000:12Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Contrast ratio 1.75 million:1. The Dell store page labels the same 1,750,000:1 figure as dynamic contrast. The manual gives it as the plain contrast ratio.
1,500,000:11Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Contrast Ratio (Typ.) 1500000:1, Min. 1200000:1
Brightness (typical, SDR)
300nits2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Brightness 300 cd/m2 (typical).
335nits1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Brightness (Typ.) 335 cd/m2, Min. 300 cd/m2
Brightness (maker minimum)
Not available
300nits1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026DISPLAY: Brightness (Min.) 300 cd/m². Minimum guaranteed specification, not the lowest brightness setting.
Peak brightness (HDR)
1,300nits2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Brightness 1300 cd/m2 (HDR peak at APL 3%).
1,500nits8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 20261500 nits (1.5% APL)
HDR peak test window
3%2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 states APL 3%, an average picture level, not a window size. TFTCentral says 1.5% APL and Tom's Hardware says a 3% window. The manual is stored.
1.5%8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026Stated as 1.5% APL
Full-screen brightness
300nits7Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw3926qw-39-inch-wuhd-oled-gaming-monitor-reviewRead 14 October 2026Specs table page 1: Brightness (mfr) 300 nits full screen. TechRadar spec box says 300 nits full screen, 1,300 nits peak HDR. SDR.
335nits8Reviewtftcentral.co.uk/news/lg-27gx790b-is-unleashed-with-27-540hz-4th-gen-woled-panel-and-720hz-dual-mode-supportRead 30 September 2026335 nits for 100% APL
HDR formats
HDR10, Dolby Vision3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 2026Both Dolby Vision HDR and HDR10 formats are supported. The manual p55 states HLG is not supported.
HDR101Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
HDR certification
DisplayHDR True Black 5002Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 HDR support: VESA DisplayHDR True Black 500.
DisplayHDR True Black 5001Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Viewing angle (horizontal)
178°2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Viewing angle 178 degrees (typical).
178°1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Viewing angle (vertical)
178°2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Viewing angle 178 degrees (typical).
178°1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026

Refresh rate and motion

11 of 22 differ
Refresh rate per resolution and port
ADell Alienware AW3926QW
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1USB-C
5120 × 2160Native165Hz165Hz165Hz
2560 × 1080330Hz330HzNot available
Source2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p13 Connectivity: DisplayPort and both HDMI 2.1 inputs support up to 5120 x 2160 at 165 Hz and 2560 x 1080 at 330 Hz. p10 USB-C DisplayPort Alt Mode supports a maximum of 5120 x 2160 at 165 Hz. USB-C at 2560 x 1080 is only in the preset timing table and is left out. Bit depth, chroma and DSC are not tied to these maxima. The 330 Hz rows need the dual mode (WFHD, OSD ESPORTS MODE or OTHER MODES).
BLG UltraGear 27GX790B
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1USB-C
2560 × 1440Native540Hz540HzDSC540HzDSC
2368 × 1332540Hz540Hz540Hz
1280 × 720720Hz720Hz720Hz
Source5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Support Mode pages 24-27: native QHD 540, HD 720 Dual-Mode and 2368×1332@540 in 24.5-inch crop mode. DP/USB-C share one table. QHD 540 recommended timing requires Input Compatibility 1.4(DSC) or 2.1(DSC), including USB-C. HDMI native 540 uses 2.1(PC). 1080p240 and HDMI 4K120 are preset signals, not established maxima.
Max refresh rate
330Hz
720Hz
Max refresh rate at native resolution
165Hz
540Hz
Max refresh rate over DisplayPort
165Hz
540Hz
Max refresh rate over HDMI
165Hz
540Hz
Max refresh rate over USB-C
165Hz
540Hz
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
165Hz2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 and p13: 165 Hz at native 5K.
540Hz1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Overclocked refresh rate
Not available
Not available
Dual mode
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Supports dual resolutions (5120 x 2160 or 2560 x 1080). p13 WUHD mode and WFHD mode.
Yes4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026VESA Dual-Mode QHD 540Hz / HD 720Hz
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
VESA AdaptiveSync Display, HDMI VRR, FreeSync Premium Pro, G-SYNC Compatible2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 VRR support: AMD FreeSync Premium Pro, HDMI 2.1 Variable Refresh Rate (VRR), NVIDIA G-SYNC Compatible, VESA AdaptiveSync Display (dual mode).
VESA AdaptiveSync Display, HDMI VRR, FreeSync Premium Pro, G-SYNC Compatible, Adaptive-Sync1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Key Features explicitly says VESA certified AdaptiveSync, NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro. This proves the named VESA certification, separately from generic DP protocol support.5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Adaptive-Sync/VRR section explicitly says supported interfaces DisplayPort(Adaptive-Sync), HDMI(VRR). This backs generic adaptive_sync and hdmi_vrr, not VESA certification.
VRR range per port
Not available
Not available
Low framerate compensation
Yes9Reviewhothardware.com/reviews/alienware-aw3926qw-oled-gaming-monitor-reviewRead 14 October 2026HotHardware spec table: 48-165 Hz VRR range at native resolution, supports LFC. The review text also mentions LFC engaging. FreeSync Premium Pro requires LFC.
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Exact-model maker claim for FreeSync Premium Pro supplies the product tier. AMD official definition supplies its required LFC feature. Compatible GPU/mode conditions apply.13Maker product pageamd.com/en/resources/support-articles/faqs/DH3-013.htmlRead 30 September 2026Official tier definition explicitly includes LFC in FreeSync Premium Pro. Applies when a compatible AMD GPU and supported FreeSync mode are enabled. No all-input VRR-range claim is inferred.
Response time (maker GtG claim)
0.03ms2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Response time 0.03 ms (gray to gray). The Dell store page says 0.03 ms GTG (Extreme Mode).
0.02ms1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Not available
Not available
Motion blur reduction
No9Reviewhothardware.com/reviews/alienware-aw3926qw-oled-gaming-monitor-reviewRead 14 October 2026Review: no MPRT-focused or blur reduction mode, no black frame insertion or image strobing.
Not available
Blur-reduction technology
Not available
Not available
Blur reduction works with VRR
Not available
Not available
Flicker-free (claimed)
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p8 The monitor adopts Flicker-Free technology.
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Eye-comfort section: LG WOLED panel verified Flicker-Free by UL, certificate A196009. This is a panel-level maker claim, not a claim that VRR flicker never occurs.
Black frame insertion
No9Reviewhothardware.com/reviews/alienware-aw3926qw-oled-gaming-monitor-reviewRead 14 October 2026Review: there is no motion blur reduction mode like black frame insertion or image strobing.
Not available

Measured

4 of 12 differ
Input lag at maximum refresh rate
14.3ms6Measurementtomshardware.com/monitors/gaming-monitors/alienware-aw3926qw-39-inch-wuhd-oled-gaming-monitor-reviewRead 14 October 2026Absolute input lag, full black to white transition, chart on page 2: 14.3 ms at 330 Hz (2560 x 1080 dual mode) and 16.6 ms at 165 Hz (5120 x 2160). The review text quotes 14.1 ms, which is the AW3426DW bar in the same chart. The method counts the lag to the full black to white transition, so the value reads higher than labs that report signal-to-first-change lag.
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
Not available
0.06ms14Reviewchimolog.co/lg-27gx790bRead 8 October 2026Reviewer-purchased Japanese 27GX790B-B, the same marketed model as the catalog regional rows. Dual-Mode at 1280 × 720 and 720 Hz gives a mean of 0.06 ms across 30 grey transitions, measured from 10% to 90%. The text also gives 61 microseconds before rounding. No separate overdrive setting is reported. Native 2560 × 1440 at 540 Hz gives a separate 0.08 ms mean. The optical-sensor and oscilloscope method is linked in the article. These are sample measurements. Regional warranty and bundle claims are not transferred.
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
Not available
SDR brightness (measured)
303nits6Measurementtomshardware.com/monitors/gaming-monitors/alienware-aw3926qw-39-inch-wuhd-oled-gaming-monitor-reviewRead 14 October 2026Page 3, uncalibrated, maximum backlight level, SDR, Calman: 303 nits. The monitor holds constant SDR brightness, so full field and 25% window match. Club386 measured 348 nits and Tom's Guide 243 nits with other settings and meters.
249nits9Reviewtomsguide.com/computing/monitors/lg-ultragear-27gx790b-b-reviewRead 30 September 2026249 nits SDR in the Max Brightness mode. Window size not stated. 561 nits HDR on a 10% window
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)
0.768Reviewclub386.comRead 14 October 2026Club386 colour test, stock settings before calibration: average Delta E 0.76, maximum 1.65, 48-colour palette. At 100% brightness 0.94 average. Tom's Guide lists 0.24 under its own method and HotHardware 0.09 after profiling with DisplayCAL, which is not stored.
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

12 of 19 differ
Video inputs
ADell Alienware AW3926QW
TypeVersionCountDSCHDCP
DisplayPort2.1 UHBR201Yes1.4, 2.3
HDMI2.12Yes1.4, 2.3
USB-CNot available1Not availableNot available
Source1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Ports: 2 HDMI 2.1 (HDCP 1.4 and 2.3, DSC and FRL), 1 DisplayPort 2.1 UHBR20 (HDCP 1.4 and 2.3), 1 USB-C with DisplayPort Alt Mode. DSC on DisplayPort is also stated in the manual p13. The page says USB-C Alt Mode version 1.4 and the manual says DisplayPort 2.1 Alt Mode, so the USB-C version is left out.
BLG UltraGear 27GX790B
TypeVersionCountDSC
HDMI2.12Not available
DisplayPort2.11Yes
USB-CNot available1Not available
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026HDMI YES(2ea), DisplayPort YES(1ea), DP Version 2.1, USB-C Yes. HDMI 2.1 from the accessory and US spec sheet. DSC per the manual timing table4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026HDMI Yes x 2, Supports FRL as compliant with HDMI 2.1. DisplayPort Yes x 1, DP Version 2.1. USB Type-C Yes x 15Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026DisplayPort needs DSC for 2560x1440 at 540 Hz (Input Compatibility 1.4(DSC) or 2.1(DSC))
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.1
Highest DisplayPort version
2.1 UHBR20
2.1
HDMI features
VRR, eARC, CEC1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026HDMI VRR: page lists Variable Refresh Rate. eARC on HDMI 1: manual p10. HDMI CEC: manual OSD menu OTHERS / HDMI CEC. ALLM is not stated.
VRR5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026HDMI (VRR)
USB-C video (DP Alt Mode)
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p10 USB-C upstream port enables DisplayPort 2.1 Alternate Mode.
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026DP Alternate Mode (DP over USB-C) are supported via USB-C Port
USB-C power delivered
90W1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026USB Type-C (Power Delivery) Upstream: 90 W. Also manual p10 and p23.
5W11Reviewrtings.com/monitor/reviews/lg/27gx790b-bRead 30 September 2026Public Office verdict explicitly says USB-C is limited to 5 W Power Delivery. Detailed test cells are membership-locked and were not used.
Thunderbolt
Not available
Not available
USB upstream ports
ADell Alienware AW3926QW
ConnectorUSB versionCount
USB-B3.2 Gen 11
USB-CNot available1
Source2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p10 and p23: one USB Type-B 5Gbps upstream and one USB-C upstream. The manual says the USB-C upstream is 5Gbps, the Dell store page and Club386 say 10Gbps, so its version is left out. The Type-B upstream is 5Gbps, stored as 3.2 Gen 1.
BLG UltraGear 27GX790B
ConnectorCount
USB-C1
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026USB Upstream Port YES(via USB-C)
USB downstream hub ports
ADell Alienware AW3926QW
ConnectorUSB versionCount
USB-A3.2 Gen 12
USB-C3.2 Gen 11
Source2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p10 and p23: two USB Type-A 5Gbps (one with BC1.2 charging) and one USB-C 5Gbps with 15 W charging. 5Gbps is stored as 3.2 Gen 1.
BLG UltraGear 27GX790B
ConnectorUSB versionCount
USB-A3.02
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026USB Downstream Port YES(2ea/ver3.0). USB-A per TFTCentral and Tom's Guide
KVM switch
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Built-in Devices: KVM Switch, USB Hub.
Not available
Daisy chain (MST)
No1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Ports: DisplayPort Output: No, so no DisplayPort daisy chain.
Not available
Ethernet
No1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Network (RJ-45): No.
Not available
3.5 mm headphone output
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Ports: 3.5 mm audio jack. The manual calls it a headphone port.
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
3.5 mm microphone input
Not available
Yes1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Headphone out 4-pole (Sound+Mic), one combined jack
Optical out
Not available
Not available
Picture in picture
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Supports Picture by Picture (PBP) and Picture in Picture (PIP).
Not available
Picture by picture
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Supports Picture by Picture (PBP) and Picture in Picture (PIP).
Not available

Smart features

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

Audio and camera

0 of 5 differ
Speakers
No7Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw3926qw-39-inch-wuhd-oled-gaming-monitor-reviewRead 14 October 2026Specs table page 1: Speakers None. Club386 specs table also says no speakers.
No14Reviewchimolog.co/lg-27gx790bRead 8 October 2026The exact review lists no built-in speakers. Four-pole headphone output and the power-on buzzer are separate features.
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

7 of 15 differ
Stand height adjustment
110mm2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Height adjustable stand 0 mm to 110 mm.
130mm5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Max. 130.0 mm
Tilt
Forward5°Backward21°2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Tilt -5 to 21 degrees.
Forward5°Backward21°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026-5 to 21 degrees
Swivel
Left20°Right20°2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Swivel -20 to 20 degrees. The stand also has a slant of -5 to 5 degrees.
Left30°Right30°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 202630 degrees to the left or to the right
Pivot
Not available
Counterclockwise90°5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 202690 degrees counter-clockwise
Removable stand
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Removable stand. Stand release button p9.
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Wall mount installation with the stand removed
VESA mount
100 x 1001Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026VESA Mount Standard: 100 x 100.
100 x 1001Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
VESA adapter needed
Not available
Not available
Security lock slot
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 and p12 security-lock slot for Kensington locks.
Yes5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026
On-screen menu controls
Joystick, Software2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p9 joystick controls the OSD menu. Alienware Command Center (AWCC) is the desktop software.
Joystick, Buttons5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Product and Button Description, page 9: joystick button and separate Dual mode button.
Desktop software
Alienware Command Center (AWCC)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p12 Alienware Command Center (AWCC): Yes. The Dell Display and Peripheral Manager is not supported.
LG Switch5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Software list: Monitor Driver / LG Switch / LG Calibration Studio / Dual Controller
User firmware updates
Yes5Press articletftcentral.co.uk/news/alienware-release-a-new-firmware-for-the-aw3926qw-should-you-updateRead 14 October 2026Firmware M2B102 (26 August 2026) is downloadable from Dell and installed from a PC over a USB A to B cable.
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
Yes2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p51, p53 and p75: AlienFX lighting for the logo and power button, with a table of RGB codes for the selectable colours.
Yes3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026RGB LED Lighting: Unity Hexagon Lighting
Gaming menu features
Timer, Frame Rate, Display Alignment, Dark Stabilizer, Console Mode, AlienVision, Esports Mode2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 TIMER, FRAME RATE, DISPLAY ALIGNMENT. OSD Game menu: DARK STABILIZER, CONSOLE MODE, ALIENVISION, ESPORTS MODE.
Black Stabilizer, Crosshair, FPS Counter, Dynamic Action Sync, User-defined Key, Dual-Mode1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026FEATURES list. Dual-Mode and User-defined Key names from the manual5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026

OLED care

3 of 3 differ
OLED care
Pixel Refresh, Pixel Shift, AI-based pixel usage prediction, Panel Health indicator2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p64 OLED PANEL MAINTENANCE with PIXEL REFRESH (manual and automatic after 4 hours). p44 PANEL HEALTH status dot. p84 pixel shift. The usage prediction algorithm is from TFTCentral.3Press articletftcentral.co.uk/news/dell-release-the-alienware-aw3926qw-with-a-glossy-39-ultrawide-woled-panel-and-rgb-stripeRead 14 October 2026AI based personalized algorithm predicts pixel usage, plus pixel refresh and pixel shift.
OLED Screen Saver, OLED Image Cleaning5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026
Burn-in covered by warranty
Yes1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Additional Warranty Information: 3-Year Advanced Exchange Service and Premium Panel Exchange (including coverage for OLED burn in).
Not available
Burn-in warranty length
3years1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Additional Warranty Information: 3-Year Advanced Exchange Service and Premium Panel Exchange (including coverage for OLED burn in).
Not available

Dimensions and weight

7 of 7 differ
Dimensions with stand
Width920.49Height (lowest)470.1Height (highest)580.1Depth242.5mm(36.2 × 18.5 to 22.8 × 9.5 in)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Dimensions (with stand): height extended 580.10 mm, compressed 470.10 mm, width 920.49 mm, depth 242.50 mm.
Width605.2Height (lowest)397.6Height (highest)527.6Depth220mm(23.8 × 15.7 to 20.8 × 8.7 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026605.2x527.6x220(Up)/605.2x397.6x220(Down)
Dimensions without stand
Width920.49Height408.24Depth129.65mm(36.2 × 16.1 × 5.1 in)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Dimensions (without stand): 408.24 mm high, 920.49 mm wide, 129.65 mm deep.
Width605.2Height351Depth51.2mm(23.8 × 13.8 × 2 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Stand footprint
Width285Depth242.5mm(11.2 × 9.5 in)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Stand base 285 mm x 242.50 mm.
Not available
Weight with stand
11.22kg(24.7 lb)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Weight with stand assembly and cables 11.22 kg. Tom's Hardware and Tom's Guide list 22.6 lb (10.25 kg) with stand. The manual and the Dell store page both say 11.22 kg.
6.8kg(15 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Weight without stand
7.76kg(17.1 lb)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Weight without stand assembly 7.76 kg, no cables.
4.3kg(9.5 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Box dimensions
Not available
Width790Height182Depth496mm(31.1 × 7.2 × 19.5 in)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published as Dimension in Shiping (W x H x D) 790x182x496. Height and depth look swapped, stored as published
Box weight
17.55kg(38.7 lb)2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p18 Weight with packaging 17.55 kg.
9.8kg(21.6 lb)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026

Power

10 of 13 differ
Power supply
Internal7Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw3926qw-39-inch-wuhd-oled-gaming-monitor-reviewRead 14 October 2026Page 1: The power supply is internal. HotHardware specs table: integrated, C13 connector.
External adapter1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Adapter rating
Not available
110W5Owner's manualgscs-b2c.lge.com/open/downloadFileRead 8 October 2026Printed page 23 names ADS-120QL-19A-3 190110E and MS-Z5790R190-110D0-E adapters with rated output 19 V at 5.79 A. These output ratings corroborate the reviewed adapter. The stored 110 W is the review explicitly published maximum adapter wattage. The monitor 19 V at 5.0 A input rating is separate and is not maximum consumption.14Reviewchimolog.co/lg-27gx790bRead 8 October 2026The reviewed supplied adapter is explicitly described as maximum 110 W with 19.0 V × 5.79 A output. The exact-model maker manual independently gives the same output rating for its two named adapter models. Japanese PSE registration and box contents are not transferred.
Input voltage
100-240 V AC, 50/60 Hz2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p17 100 VAC to 240 VAC, 50 Hz or 60 Hz, 4 A (typical).
100-240 V AC, 50/60 Hz1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026
Power use (typical)
Not available
25W3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Power Consumption (Typ.) 25W. Not listed on the UK page
Power use (max)
360W2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p17 360 W maximum, footnote: maximum brightness and contrast setting with maximum power loading on all USB ports.
46.32W3Maker product pagelg.com/hk_en/monitors/gaming/27gx790b-bRead 30 September 2026Power Consumption (Max.) 46.32W
Power use SDR (EU label)
40.3W2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p17 40.3 W (On mode), footnote: as defined in EU 2019/2021 and EU 2019/2013. No EPREL record was found, so the value comes from the manual.
24.7W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
Power use HDR (EU label)
Not available
28.5W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
Standby power
0.5W2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p17 0.5 W (Standby mode). p8 states 0.5 W or less.
0.5W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
Off-mode power
0.3W2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p17 0.3 W (Off mode).
0.3W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 20260.3 W. The US spec sheet says less than 0.5W
EU energy class SDR
Not available
F6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
EU energy class HDR
Not available
G6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/2498871Read 30 September 2026
Energy per 1000 h SDR
Not available
25kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2498871.svgRead 30 September 2026Published energy label SDR kWh/1000h value, read directly from label.
Energy per 1000 h HDR
Not available
29kWh12EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2498871.svgRead 30 September 2026Published energy label HDR kWh/1000h value, read directly from label.

Certifications

3 of 9 differ
VESA ClearMR
Not available
21,0004Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026
VESA AdaptiveSync Display
330Hz2Owner's manualgzhls.at/blob/ldb/2/5/a/5/9115695deef7708dbc9bdfca820e83154d2a.pdfRead 14 October 2026p7 Product features: VESA AdaptiveSync 165/330 Display certifications for the 5K mode and the dual mode. The higher number is stored.
Not available
TÜV certifications
Not available
Not available
Low blue light
Not available
Not available
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
GS Mark1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Certifications and Standards: GS Mark.
UL Verified Perfect Black, UL Verified Perfect Color, UL Discomfort Glare Free, UL Eyesafe 3.0 CPF60, UL Eyesafe 3.0 RPF401Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Product highlights and eye-comfort section name these UL verifications for the OLED panel. Discomfort Glare Free V563481 (UGR<22), Eyesafe CPF60 V745354, RPF40 V275741. Panel verifications, not a blanket system certification.

In the box

2 of 2 differ
In the box
Display, Stand riser, Stand base, Power cable, HDMI 2.1 FRL cable (1.80 m), DisplayPort to DisplayPort 1.4 cable (1.80 m), USB Type-A to Type-B 5Gbps cable (1.80 m), USB-C to C 10Gbps 100 W cable (1 m), Microfiber cloth, QR card, Safety, Environmental, and Regulatory Information, Alienware sticker1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Package Contents.
HDMI cable (ver 2.1), DisplayPort cable (ver 2.1)1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026Published ACCESSORY list names these two included cables. This is the published list, not an assertion of a complete physical inventory.
Cables included
ADell Alienware AW3926QW
TypeCount
Power cable1
HDMI 2.1 FRL cable (1.80 m)1
DisplayPort to DisplayPort 1.4 cable (1.80 m)1
USB Type-A to Type-B 5Gbps cable (1.80 m)1
USB-C to C 10Gbps 100 W cable (1 m)1
Source1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Cables included: power cable, USB-C to C 10Gbps cable (1 m), DisplayPort to DisplayPort 1.4 cable (1.80 m), HDMI 2.1 FRL cable (1.80 m), USB Type-A to Type-B upstream cable (1.80 m).
BLG UltraGear 27GX790B
Type
HDMI (ver 2.1)
DisplayPort (ver 2.1)
Source1Maker product pagelg.com/uk/monitors/gaming/27gx790b-bRead 30 September 2026ACCESSORY: HDMI YES (ver 2.1), Display Port YES (ver 2.1)

Warranty

2 of 2 differ
Manufacturer warranty (source market)
3years1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Limited Warranty: 3 Year. U.S. listing.
2years4Maker spec sheet (PDF)files.bbystatic.com/YZOOI7fCZc/T/bYmkv5jCA==/f3cd232b-3198-4b7a-9903-5aed19b96302.pdfRead 30 September 2026Limited Warranty 2 Year Parts and Labor. Market: US
Dead pixel policy
Free panel replacement during the Limited Hardware Warranty if one bright pixel is found1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-39-5k-oled-gaming-monitor-aw3926qw/aw3926qw/-Read 14 October 2026Premium Panel Exchange: free panel replacement during the Limited Hardware Warranty period even if only one bright pixel is found.
Not available

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