LG UltraGear OLED 27GX790B
UltraGear OLED 27GX790B · December 2025
Stored estimate. No saved seller offers for this device.
Official launch price: $999.99
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Explore the LG UltraGear OLED 27GX790B specifications below.
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Full specifications
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LAUNCH DATE3 fields
- 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 INFORMATION5 fields
- 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)
TESTS2 fields
- Brightness Measured
- 249 nits SDR, 561 nits HDR (Tom's Guide)
- Color Accuracy
- Delta E 0.33 (Tom's Guide)
CONNECTIVITY5 fields
- 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 BUILD6 fields
- 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 RESOLUTION12 fields
- 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 FEATURES2 fields
- 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 FEATURES3 fields
- 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)
POWER3 fields
- Power Consumption
- Sleep <0.5W; Off <0.3W
- Power Supply
- External power adapter
- Voltage
- 100–240V AC, 50/60Hz
Where to buy in Nigeria
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| Seller / condition | Configuration | Price / checked | Listing |
|---|---|---|---|
| No saved seller offers are available for this device. Stored estimates do not confirm current price or stock. | |||
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Last updated 25 Sep 2026
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