LG UltraGear OLED GX7 Gaming Monitor 27GX790B – QHD 1440p

LG UltraGear OLED GX7 Gaming Monitor 27GX790B – QHD 1440p

LG UltraGear OLED GX7 Gaming Monitor 27GX790B – QHD 1440p, 4th Gen WOLED, 27 inch, Dual-Mode 540Hz – 720Hz, 0.02ms, 335-1500nits, FreeSync Premium Pro, HDR500, DP2.1, HDMI 2.1, USB C, Black

  • Next-Level Visuals with 4th Gen OLED Display – Dive into ultra-sharp detail on this 27" QHD (2560×1440) 4th Gen Tandem OLED gaming monitor. Expect deeper blacks, fast response, and jaw-dropping clarity that redefines your play.
  • LG’s Brightest* Gaming Monitor OLED Yet – Powered by the revolutionary 4th Gen OLED with Primary RGB Tandem technology, reaching up to 1500 nits of peak brightness and certified with VESA DisplayHDR True Black 500 for crystal-clear, high-contrast gameplay, even in bright environments.
  • OLED with QHD 540Hz – HD 720Hz Dual-Mode – With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz—the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action.
  • High-speed bandwidth with DisplayPort 2.1 – The latest DisplayPort 2.1 on the 27GX790B delivers next-generation bandwidth optimized for ultra-high-speed gaming, supporting stable performance even at extreme refresh rates. Extending this connectivity, the USB-C port supports streamlined single-cable display output and data transfer.
  • Certified with a widely adopted technology – NVIDIA G-SYNC Compatible / VESA Certified AdaptiveSync / AMD FreeSync Premium Pro that will provide tear-free ultra-smooth visuals and low latency
  • ClearMR 21000 for smooth motion, infinite play – VESA certified by ClearMR 21000, this monitor finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail.
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SKU: B0GBX7LYY5
Weight: 6.8 Kilograms
Brand: LG
Model: 27GX790B-B.AEK
Colour: Black
Manufacture: LG Electronics
Colour: Black
Origin: China

From the manufacturer

LG UltraGear OLED GX7

Text reads 'OLED'. Display monitor on stand against gradient background with 'OLED' text illuminated on surface below.

27-inch 4th Gen Tandem OLED 540Hz Gaming Monitor with Dual-Mode

  1. Panoramic cityscape views at dusk/sunset showing urban skyline with buildings silhouetted against colored sky.

    LG's Brightest* 4th Gen OLED

    Introducing LG’s first gaming monitor powered by 4th Gen OLED with revolutionary Primary RGB Tandem technology—reaching up to 1500 nits of peak brightness for visibly clearer gameplay.

  2. Digital display or screen setup showing multiple video panels arranged horizontally against a dark background.

    UL-verified Perfect visual experience

    Perfect Black, Perfect Colour, and Perfect Reproduction work consistently in both low and bright light environments, delivering a truly perfect visual experience.

  3. aplus content image

    VESA DisplayHDR True Black 500

    VESA DisplayHDR True Black 500 delivers deep blacks and clear shadow detail, while the DCI‑P3 99.5% (Typ.) gamut provides accurate, lifelike colour for more realistic visuals.

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    UL-verified advanced eye comfort technologies

    Featuring AGLR(Anti-glare and low reflection), LG WOLED’s UL-verified advanced eye comfort technologies minimize frustrating reflections and keep your eyes comfortable.

  1. 720Hz(@HD) – 540Hz(@QHD) Dual-Mode


    With VESA Certified Dual-Mode, enjoy UltraGear’s fastest performance with up to 720Hz—the highest refresh rate ever introduced. Seamlessly switch between QHD 540Hz for detailed visuals and HD 720Hz for ultra-fast action.

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  2. High-speed bandwidth by DisplayPort 2.1


    The latest DisplayPort 2.1 on the 27GX790B delivers next-generation bandwidth optimized for ultra-high-speed gaming, supporting stable performance even at extreme refresh rates. Extending this connectivity, the USB-C port supports streamlined single-cable display output and data transfer.

    Abstract tech-themed banner with text 'Up 2.1'. Features dynamic blue and pink lighting effects with motion blur and metallic surfaces creating a futuristic aesthetic.

  3. Overwhelming speed, diving into gaming


    The ultra-fast 0.02 response time (GtG), reducing reverse ghosting and providing fast response time, lets you to enjoy a whole new gaming performance

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  1. Wide-format digital artwork featuring abstract space or sci-fi themed imagery with bright blue and red lighting effects.

    Certified with a widely adopted technology

    Powered by AMD FreeSync Premium Pro, NVIDIA-validated G-SYNC compatibility, and VESA AdaptiveSync certification, this monitor provides tear-free, ultra-smooth visuals and low latency.

  2. aplus content image

    ClearMR 21000 for smooth motion, infinite play

    VESA certified by ClearMR 21000, this monitor finally captures even the subtle blurring that occurs around the edges of moving objects, displaying fast-moving action with sharpness and detail.

  3. aplus content image

    Dynamic Action Sync

    Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real-time and respond quickly.

  4. Split-screen nighttime urban scene showing illuminated street lamps and trees, with identical view repeated side by side.

    Black Stabiliser

    Black Stabiliser enhances visibility in dark scenes, revealing hidden details and improving clarity for smoother navigation through shadowy environments or sudden light changes.

  5. aplus content image

    Crosshair

    The target point is fixed in the centre to enhance shooting accuracy.

Compact and sleek

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Experience our virtually borderless design featuring a fully adjustable base with swivel, tilt, and height. A clutter-free slim stand and wide-range swivel adjustment are designed to minimize desk space usage and eliminate dead space efficiently, while adding a more refined look to your setup.

Compare UltraGear OLED GX7 & GX8 Gaming Monitors

UltraGear GX7 – 27GX790B

UltraGear GX7 – 27GX790A

UltraGear GX7 – 27GX700A

UltraGear GX7 – 27GX704A

UltraGear GX8 – 32GX850A

Customer Reviews — 3.6 out of 5 stars144.7 out of 5 stars84.4 out of 5 stars104.0 out of 5 stars5
Price £699.95£589.00£548.98£479.00£799.00
Display Size/Resolution 27″ | QHD 27″ | QHD 27″ | QHD 27″ | QHD 32″ | 4K
Panel Type RGB Tandem W-OLED (Matte) W-OLED (Matte) RGB Tandem W-OLED (Matte) W-OLED (Glossy) W-OLED (Glossy)
Brightness 335 nits – 1,500 nits 275 nits – 1,300 nits 335 nits – 1,500 nits 275 nits – 1,300 nits 275 nits – 1,300 nits
Refresh Rate/Response Time 540Hz / 0.02ms (GtG) 480Hz / 0.03ms (GtG) 280Hz / 0.03ms (GtG) 240Hz /0.03ms (GtG) 165Hz / 0.03ms (GtG)
VESA Dual-Mode QHD 540Hz / HD 720Hz – – – UHD 165Hz / FHD 330Hz
AMD FreeSync Premium Pro ✔ ✔ ✔ ✔ ✔
NVIDIA G-Sync Compatible ✔ ✔ ✔ ✔ ✔
HDMI 2.1 / DisplayPort Yes / DP2.1 Yes / DP2.1 Yes / DP1.4 (DSC) Yes/DP1.4(DSC) Yes / DP1.4(DSC)
USB Hub USB-C (x1), USB-A 3.0 (x2) USB-B 3.0 (x1), USB-A 3.0 (x2) USB-B 3.0 (x1), USB-A 3.0 (x2) USB-B 3.2 (x1), USB-A 3.2 (x2) USB-B 3.0 (x1), USB-A 3.0 (x2)
Display Position Adjustments Tilt/Height/Swivel/Pivot Tilt/Height/Swivel/Pivot Tilt/Height/Swivel/Pivot Tilt/Height/Swivel/Pivot Tilt/Height/Swivel/Pivot
Dimension/Weight 605.2 x 527.6 x 220 mm/ 6.8kg 605.2 x 579.3 x 249.1mm/ 9.3kg 605.2 x 579.3 x 249.1 mm/ 9kg 605.2 x 532.6 x 220 mm/ 7.2kg 714.1 x 620.9 x 249.8mm/ 9.1kg
Wall Mount 100 x 100 mm 100 x 100 mm 100 x 100 mm 100 x 100 mm 100 x 100 mm

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