LG Ultragear OLED 27GX790B-B
2560 x 1440 pixels, 26.50"More than 10 pieces in stock at supplier
Refresh rate2
Product details
The LG Ultragear OLED 27GX790B-B is a 27-inch (69 cm) gaming monitor featuring a Quad HD OLED display with a refresh rate of 500 Hz. This model offers exceptional visual performance with deep blacks and vibrant colors characteristic of OLED technology. The resolution of 2560 x 1440 pixels delivers sharp, detailed images suitable for gaming and multimedia applications. The high refresh rate enables smooth motion rendering and reduces motion blur during fast-paced gaming scenes. The casing measures approximately 61 cm in width, 36 cm in height, and 5 cm in depth, with a weight of 6.2 kg including the stand. The monitor features tiltable, height-adjustable, and swivel positioning for ergonomic adjustments. Connectivity options include DisplayPort, HDMI, and USB ports for versatile device compatibility. The OLED panel provides wide viewing angles and fast pixel response times. Features include HDR support for enhanced contrast and color depth, as well as game-specific modes that can be tailored for different genres. The anti-glare coating helps reduce reflections in various lighting conditions. The design incorporates slim bezels for an immersive viewing experience and includes cable management features for a tidy workspace. This successor model to previous LG Ultragear monitors boasts improved display technology and enhanced refresh rate capabilities. The monitor operates in a temperature range of 5°C to 40°C and has a typical power consumption of 45 W during operation. The package includes the monitor, stand, power cable, and necessary connection cables. The product is designed for extended gaming sessions with features that help reduce eye strain during prolonged use.
Monitor type | Gaming monitor |
Display resolution | WQHD |
Display technology | Tandem OLED |
Refresh rate | 540 Hz |
Monitor equipment | HDR functionality, Integrated USB hub, RGB lighting, Slot for Kensington lock |
Video connections | DisplayPort (1x), HDMI (2x) |
USB ports | USB-A, USB-B |
Documents | Technical data sheet.pdf |
Item number | 67958338 |
Manufacturer | LG |
Category | Monitor |
Manufacturer No. | 27GX790B-B.AEU |
Release date | 2.3.2026 |
Colour | Black |
Exact colour description | Black |
Monitor type | Gaming monitor |
Display size (inches) | 26.50" |
Screen size (cm) | 67.30 cm |
Image resolution | 2560 x 1440 pixels |
Display resolution | WQHD |
Pixel density | 111 ppi |
Pixel pitch | 0.23 mm |
Display | OLED |
Display technology | Tandem OLED |
Refresh rate | 540 Hz |
Aspect ratio | 16:9 |
Screen surface | High gloss |
Contrast ratio | 1500000:1 |
Response time (grey-to-grey) | 0.03 ms |
Brightness | 335 cd/m² |
Colour depth | 10 bits |
Colour space coverage | DCI-P3: 99.5% |
Viewing angle (H) | 178° |
Viewing angle (V) | 178° |
Monitor equipment | HDR functionality, Integrated USB hub, RGB lighting, Slot for Kensington lock |
Connectivity | 3.5 mm jack, HDMI, USB |
Touch | Without touch function |
Sync-Technology | AMD Freesync Premium Pro |
Dynamic range | HDR10 |
HDR Certification | Vesa DisplayHDR 500 |
Adjustability | Height-adjustable, Pivot function, Pivoting, Tiltable |
VESA wall mount | 100 x 100 mm |
Video connections | DisplayPort (1x), HDMI (2x) |
HDMI version | 2.1a |
DisplayPort version | 2.1 |
USB ports | USB-A, USB-B |
Exact USB ports | USB-A 3.0 (2x), USB-B 3.0 (1x) |
Audio Connections | Jack 3.5mm Line Out (1x) |
Power consumption | 29 W |
Power consumption (standby) | 0.50 W |
Power consumption (Off) | 0.30 W |
Energy efficiency class | F |
Country of origin | China |
CO₂ emissions | 429,4 kg |
Climate contribution | EUR 10,69 |
Scope of delivery | AC, DisplayPort cable, HDMI cable, USB Type-A to USB Type-B cable |
Width | 605.20 mm |
Length | 221 mm |
Height | 527.60 mm |
Weight | 6.80 kg |
Product Safety |
Length | 79 cm |
Width | 50 cm |
Height | 18 cm |
Weight | 6.50 kg |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Monitor» category have a defect within the first 24 months?
Source: Galaxus- 18.Acer1,4 %
- 18.Samsung1,4 %
- 20.LG1,6 %
- 21.ASUS1,7 %
- 22.MSI1,9 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 15.AOC5 days
- 15.Lenovo5 days
- 15.LG5 days
- 15.Philips5 days
- 15.Samsung5 days
Return rate
How often is a product of this brand in the «Monitor» category returned?
Source: Galaxus- 15.ēlo3,8 %
- 16.Acer4 %
- 17.LG4,2 %
- 17.Xiaomi4,2 %
- 19.ASUS4,5 %