LG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black
LG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black
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LG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black

4.7 stars out of 30 reviews
(4.7)|
30 ratings

Key item features

  • Rapid Refresh: Features an ultra-fast 480Hz refresh rate, delivering exceptionally smooth visuals and minimizing motion blur for competitive gaming experiences.
  • Vivid OLED: Boasts a 26.5" WQHD (2560x1440) OLED display with a 1.5M:1 contrast ratio and 98.5% DCI-P3 color gamut for vibrant, detailed, and lifelike images.
  • Instant Response: Achieves an ultra-fast 0.03ms (GtG) response time, effectively eliminating ghosting and ensuring exceptional clarity during fast-paced action.
  • Adaptive Sync: Supports both NVIDIA G-Sync compatibility and AMD FreeSync Premium Pro for dynamic refresh rate adaptation, providing tear-free gaming.
  • Extensive Connectivity: Equipped with HDMI 2.1, DisplayPort 2.1, and USB 3.0 ports, facilitating easy connection of peripherals and fast data transfer.
  • Adjustable Ergonomics: Offers tilt, height, swivel, and pivot adjustments, along with a detachable base and VESA mount support for personalized viewing setups.
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LG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black
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AOC - 27" QD-OLED, QHD, 240Hz Gaming Monitor - Black
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Restored LG 45" UltraGearâ„¢ QHD 1ms 200Hz Curved Gaming Monitor with USB Type-Câ„¢ - 45GR75DC-B (Refurbished)
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Comparison Chart:
Screen size27 inLG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black34 inLG 34" UltraGear WQHD OLED Curved Gaming Monitor | 240Hz, 0.03ms (GtG), DisplayHDR36.5 inLG 37" UltraGear 4K UHD 3840x2160 165Hz Curved Gaming Monitor (37G800A-B)27 inLG 27" 240 Hz IPS QHD (2560 x 1440) Gaming Computer Monitor Nvidia G-Sync Compatible DCI-P3 95% (CIE1976) UltraGear 27GR83Q-B27 inLG 27" UltraGear QHD 1440P 180Hz 1ms AMD FreeSync HDR10 1000R Curved Gaming Monitor, 27GS60QC-B28 inSamsung Odyssey G70B 28" 4K UHD IPS 144Hz 1ms G-Sync Compatible Gaming Monitor - LS28BG702ENXGO40 inSamsung Odyssey G7 G75F 40" 4K HDR 180 Hz Curved Ultrawide Gaming Monitor27 inAOC - 27" QD-OLED, QHD, 240Hz Gaming Monitor - Black44.5 inRestored LG 45" UltraGearâ„¢ QHD 1ms 200Hz Curved Gaming Monitor with USB Type-Câ„¢ - 45GR75DC-B (Refurbished)27 inMSI MAG 272QP QD-OLED X50 27" Class WQHD Gaming OLED Monitor, 16:9
Resolution2560 x 1440LG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black-LG 34" UltraGear WQHD OLED Curved Gaming Monitor | 240Hz, 0.03ms (GtG), DisplayHDR4K UHDLG 37" UltraGear 4K UHD 3840x2160 165Hz Curved Gaming Monitor (37G800A-B)2560 x 1440 QHDLG 27" 240 Hz IPS QHD (2560 x 1440) Gaming Computer Monitor Nvidia G-Sync Compatible DCI-P3 95% (CIE1976) UltraGear 27GR83Q-B2560 x 1440LG 27" UltraGear QHD 1440P 180Hz 1ms AMD FreeSync HDR10 1000R Curved Gaming Monitor, 27GS60QC-B4K UHDSamsung Odyssey G70B 28" 4K UHD IPS 144Hz 1ms G-Sync Compatible Gaming Monitor - LS28BG702ENXGO4K (2160P)Samsung Odyssey G7 G75F 40" 4K HDR 180 Hz Curved Ultrawide Gaming Monitor2560 x 1440AOC - 27" QD-OLED, QHD, 240Hz Gaming Monitor - Black1440pRestored LG 45" UltraGearâ„¢ QHD 1ms 200Hz Curved Gaming Monitor with USB Type-Câ„¢ - 45GR75DC-B (Refurbished)2560 x 1440MSI MAG 272QP QD-OLED X50 27" Class WQHD Gaming OLED Monitor, 16:9
Refresh rate480 HzLG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, Black100 HzLG 34" UltraGear WQHD OLED Curved Gaming Monitor | 240Hz, 0.03ms (GtG), DisplayHDR165 HzLG 37" UltraGear 4K UHD 3840x2160 165Hz Curved Gaming Monitor (37G800A-B)240 HzLG 27" 240 Hz IPS QHD (2560 x 1440) Gaming Computer Monitor Nvidia G-Sync Compatible DCI-P3 95% (CIE1976) UltraGear 27GR83Q-B180 HzLG 27" UltraGear QHD 1440P 180Hz 1ms AMD FreeSync HDR10 1000R Curved Gaming Monitor, 27GS60QC-B144 HzSamsung Odyssey G70B 28" 4K UHD IPS 144Hz 1ms G-Sync Compatible Gaming Monitor - LS28BG702ENXGO180 HzSamsung Odyssey G7 G75F 40" 4K HDR 180 Hz Curved Ultrawide Gaming Monitor240 HzAOC - 27" QD-OLED, QHD, 240Hz Gaming Monitor - Black200 HzRestored LG 45" UltraGearâ„¢ QHD 1ms 200Hz Curved Gaming Monitor with USB Type-Câ„¢ - 45GR75DC-B (Refurbished)500 HzMSI MAG 272QP QD-OLED X50 27" Class WQHD Gaming OLED Monitor, 16:9
DisplayOLEDLG UltraGear 27GX790A-B 26.5" 16:9 WQHD 480Hz OLED HDR Gaming Monitor, BlackLEDLG 34" UltraGear WQHD OLED Curved Gaming Monitor | 240Hz, 0.03ms (GtG), DisplayHDRLCDLG 37" UltraGear 4K UHD 3840x2160 165Hz Curved Gaming Monitor (37G800A-B)LCDLG 27" 240 Hz IPS QHD (2560 x 1440) Gaming Computer Monitor Nvidia G-Sync Compatible DCI-P3 95% (CIE1976) UltraGear 27GR83Q-BLCDLG 27" UltraGear QHD 1440P 180Hz 1ms AMD FreeSync HDR10 1000R Curved Gaming Monitor, 27GS60QC-BLCDSamsung Odyssey G70B 28" 4K UHD IPS 144Hz 1ms G-Sync Compatible Gaming Monitor - LS28BG702ENXGOLEDSamsung Odyssey G7 G75F 40" 4K HDR 180 Hz Curved Ultrawide Gaming MonitorOLEDAOC - 27" QD-OLED, QHD, 240Hz Gaming Monitor - BlackLCDRestored LG 45" UltraGearâ„¢ QHD 1ms 200Hz Curved Gaming Monitor with USB Type-Câ„¢ - 45GR75DC-B (Refurbished)OLEDMSI MAG 272QP QD-OLED X50 27" Class WQHD Gaming OLED Monitor, 16:9
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Customer ratings & reviews

4.7 out of 5 stars
stars30 ratings26 reviews
How item rating is calculated
  1. 5 stars83% (25)
  2. 4 stars7% (2)
  3. 3 stars7% (2)
  4. 2 stars3% (1)
  5. 1 star0% (0)

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Showing 1-3 of 26 reviews

Dec 17, 2025
Walmart customer
5 out of 5 stars review

Seller Verified Purchase

27GX790A

[This review was collected as part of a promotion.] Running an external monitor through my gaming laptop Games played Cod 7, battlefield 6, dying light 2 and forza horizon 5. Previously owned g9 49inch ultrawide HDR works amazing perfect blacks 1300 nits brightness makes the games pop Fast response 0.3 makes moving in fps instspontaneously. 480 hz so smooth with gsync and verible refreshrate its an all round beast. Very happy and wish I got the 35 inch for the more emersive feel.

International review
Review from lg.com/uk
Helpful?66WX5ZYYP7NT15027211854
Jan 28, 2026
3mber
5 out of 5 stars review

Quality Gaming Monitor

[This review was collected as part of a promotion.] Perfect gaming monitor, the colours look amazing & i couldnt be any happier- The response & refresh time is perfect especially for fps games with an amazing conrast and brightness. The experience with this monitor truly feels peak, could'nt reccomend it more

International review
Review from lg.com/uk
Helpful?66WX5ZYYP7NT15027211854
Sep 20, 2025
Ryan
Sold and shipped byNewegg Inc.
5 out of 5 stars review

Verified Purchase

Legit 27" Monitor

It does everything I expected it to do! A little pricey, but you get what you pay for, and I did get it on sale for $750. Seems to be in a sweet spot for current high-end 1440p gaming due to multiple variables such as Display Port 2.1 (UHBR13.5), an oled display, and a super 480 Hz refresh rate! 27" is also just right imo.

Helpful?66WX5ZYYP7NT15027211854