NVIDIA
LG 27GX790A-B 27-inch Ultragear OLED Gaming Monitor QHD 1440p 480Hz, 0.03ms, DisplayPort 2.1, True Black 400, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDMI, USB, Tilt/Height/Swivel/Pivot Stand, Black
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
Experience astounding speed with up to a blistering 480Hz refresh rate and 0.03ms response time on a 27" QHD OLED monitor. Dive into immaculate OLED visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. With next gen connectivity via DisplayPort 2.1, enjoy ultra-fast data transfer supporting higher resolutions at fast refresh rates with razor-sharp visuals and zero lag. Adaptive sync technologies FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear-free, stutter-free performance, whether you're on PC or next-gen…
SpecPicks Verdict
SpecPicks classifies LG 27GX790A-B 27-inch Ultragear OLED Gaming Monitor QHD 1440p 480Hz… as a solid pick with broad community endorsement in the gaming monitors category, based on 191 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. NVIDIA's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.2★ customer rating
- ✓ Backed by NVIDIA's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 27” OLED Brilliance with up to 480Hz of Game-Changing Speed - Experience ultra-smooth, tear-free gameplay with up to 480Hz refresh rate and 0.03ms response time on a bright 27” QHD OLED display. React instantly, spot every detail, and outpace your opponents in every frame with unbeatable speed and clarity.
- Unleash Next-Gen Speed with Future-Ready DisplayPort 2.1 - DisplayPort 2.1 delivers ultra-fast data speeds for flawless 480Hz gameplay. Enjoy sharper visuals with higher resolution support, virtually zero lag, and instant responsiveness, giving you the edge to dominate.The monitor also has two HDMI 2.1 ports and USB 3.0 connectivity (1 upstream / 3 downstream)
- Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW - Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.
- Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC Compatible - Say goodbye to screen tearing and stutter. With AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.
- Seamless Display, and Adjustable to Gamer Specs - Dive into gameplay on the virtually borderless 27” OLED screen. The slim-profile display has adjustable height, tilt, swivel and pivot controls that let you customize your view, while RGB hexagonal backlighting amps up your battle station, making every session a vibe.
- Unlock Your Potential with Advanced Gaming Features - Dynamic Action Sync reduces input lag for real-time response. Black Stabilizer brightens dark scenes to see what's hidden. FPS Counter shows your real-time frame rate. Crosshair enhances precision for deadly accuracy.
Full Specifications
| Brand | LG |
|---|---|
| Color | Black |
| Shape | Flat |
| Brightness | 275 Candela per Square Meter |
| Model Name | 27GX790A-B.AUS |
| Resolution | QHD Wide 1440p |
| Color Gamut | 98.5 |
| Pixel Pitch | 0.23 |
| Screen Size | 26.5 Inches |
| Aspect Ratio | 16:9 |
| Connectivity | USB |
| Display Type | OLED |
| Model Number | 27GX790A-B.AUS |
| Refresh Rate | 480 Hz |
Ready to buy?
LG 27GX790A-B 27-inch Ultragear OLED Gaming Monitor QHD 1440p 480Hz, 0.03ms, DisplayPort 2.1, True Black 400, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDMI, USB, Tilt/Height/Swivel/Pivot Stand, Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
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