LG 27GX790B-B Ultragear OLED 27” QHD Dual Mode Gaming Monitor – 540Hz/720Hz, G-SYNC, DP 2.1

The LG UltraGear OLED 27GX790B blends breathtaking OLED visuals with blistering speed in a 27-inch form factor. With a QHD (3440 x 1440) panel and UL Verified Perfect Black and Perfect Color, this monitor aims to deliver rich detail, nuanced highlights, and a wide color range across varied scenes. While the on-screen results will depend on the content and settings, the combination of contrast and color fidelity is designed to help you read environments and enemies with greater clarity.

Two elite performance modes offer flexible paths for different playstyles. In QHD mode, you can reach up to 540 Hz for high-resolution precision and smoother target tracking, while the HD mode supports up to 720 Hz to emphasize speed and responsiveness during fast-paced skirmishes. The near-instantaneous 0.02 ms GTG response time helps keep motion crisp, reducing motion blur during rapid camera and character movements. These specs are designed to support quick reactions without sacrificing image detail when needed.

• NVIDIA G-SYNC Compatible and AMD FreeSync Premium Pro support tear-free gameplay with low latency, helping frames stay fluid during intense moments.
• DisplayHDR True Black 500 delivers deeper shadows and brighter highlights, enabling better separation of dark corners and bright effects in diverse scenes.
• UL-Verified Perfect Black and Perfect Color aim to keep color fidelity true to source material, even as lighting changes across the scene.

Connectivity and future-proofing are strong points. DisplayPort 2.1 provides the bandwidth needed for higher refresh rates and smooth data flow, while USB-C supports a clean, single-cable setup in compatible rigs. A 4-pole headphone jack consolidates game audio and comms into one connection for easier headset use. The stand offers full ergonomic adjustment—height, tilt, swivel, and pivot—so you can tailor the setup to your preferred viewing angle and seating position, which may help reduce fatigue during longer sessions.

Beyond raw speed, this monitor is designed to be a solid all-around performer for modern gaming and content consumption. The panel’s brightness, contrast, and color performance, combined with robust synchronization options and stable data paths, can help you experience scenes with a more immersive feel. If you’re assembling a next-gen setup or upgrading an existing battlestation, the 27GX790B aims to align with high-refresh expectations while keeping image quality at the forefront. Consider this display a potential combination of vivid OLED imagery, adjustable comfort, and flexible connectivity that could align with a range of gameplay styles and content workloads.

Why gamers might consider the 27GX790B

• Possible improvement in motion clarity thanks to high refresh options and fast response times.
• Potential for richer shadows and more defined bright elements with True Black 500 and high-contrast rendering.
• Flexibility to switch between precision and speed modes as needed during play sessions.