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Released 2026-01-06 (US pre-orders open at LG.com)
LG UltraGear OLED 27GX790B
Explore the LG UltraGear OLED 27GX790B specifications below.
Price in Nigeria
₦1,400,000 (estimate, converted from US launch price)
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Full Specifications
| LAUNCH DATE | |
|---|---|
| Announced | 2025, December (launched first in China); shown for North America at CES 2026 |
| Released | 2026-01-06 (US pre-orders open at LG.com) |
| Status | Available |
| ADDITIONAL INFORMATION | |
| Colors | Black |
| Models | 27GX790B-B |
| Compatibility | Tom's Guide (tested with an RTX 5090) notes very few games reach frame rates high enough to use the 540Hz / 720Hz modes |
| Price in Nigeria | ₦1,400,000 (estimate, converted from US launch price) |
| Launch Price (USD) | $999.99 (US launch MSRP) |
| TESTS | |
| Brightness Measured | 249 nits SDR, 561 nits HDR (Tom's Guide) |
| Color Accuracy | Delta E 0.33 (Tom's Guide) |
| CONNECTIVITY | |
| Audio Out | 4-pole headphone jack |
| DisplayPort | 1x DisplayPort 2.1 with DSC (UHBR13.5) |
| HDMI | 2x HDMI 2.1 |
| USB Hub | 2x USB 3.0 downstream (Type-A) |
| USB-C | 1x USB-C (DisplayPort Alt Mode, data) |
| DESIGN AND BUILD | |
| Dimensions (with stand) | 605.2 x 527.6 x 220 mm (raised) / 605.2 x 397.6 x 220 mm (lowered) |
| Panel Type | WOLED (4th Gen Primary RGB Tandem OLED) |
| Screen Size | 26.5 inches (67.3 cm), 27-inch class |
| Stand Adjustments | Tilt / Height / Swivel / Pivot (110 mm height adjustment) |
| VESA Mount | 100 x 100 mm |
| Weight (with stand) | 6.8 kg |
| DISPLAY AND RESOLUTION | |
| Aspect Ratio | 16:9 |
| Brightness | 335 cd/m² typical (300 cd/m² min); HDR peak 1,500 cd/m² (1.5% APL), 800 cd/m² (10% APL) |
| Color Depth | 1.07 billion colours (10-bit) |
| Color Gamut | DCI-P3 99.5% typical (CIE1976); 94% min |
| Contrast Ratio | 1,500,000:1 typical (1,200,000:1 min) |
| HDR Support | VESA DisplayHDR True Black 500, HDR10, HDR Effect |
| Pixel Density | 110 PPI (pixel pitch 0.2292 x 0.2292 mm) |
| Refresh Rate | 540Hz at QHD; 720Hz at HD (Dual Mode) |
| Resolution | 2560 x 1440 (QHD); HD in 720Hz Dual Mode |
| Response Time | 0.02ms (GtG) |
| Screen Coating | Matte anti-glare |
| Viewing Angles | 178° (R/L), 178° (U/D) |
| EXTRAS AND FEATURES | |
| Eye Care | Flicker-free, Discomfort Glare Free, Eyesafe 3.0; UL-verified anti-glare, flicker-free, low/reduced blue light and reduced circadian stimulation |
| Other Features | Unity Hexagon RGB lighting; VESA ClearMR 21000; UL 'Perfect Black' and 'Perfect Color' certifications; HW calibration ready; Reader Mode; PiP/PbP; HDMI 2.1 and DisplayPort 2.1 cables in the box |
| GAMING FEATURES | |
| Adaptive Sync | NVIDIA G-SYNC Compatible, AMD FreeSync Premium Pro, VRR (48–540Hz range with LFC) |
| Gaming Aids | Black Stabilizer, Crosshair, FPS Counter |
| Low Input Lag Mode | Dynamic Action Sync (DAS) |
| POWER | |
| Power Consumption | Sleep <0.5W; Off <0.3W |
| Power Supply | External power adapter |
| Voltage | 100–240V AC, 50/60Hz |
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