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Full specifications
Every available group and stored value, aligned by field.
LAUNCH DATE3 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Announced | 2026, September 2 | 2025, December (launched first in China); shown for North America at CES 2026 |
| Released | Expected Q1 2027 | 2026-01-06 (US pre-orders open at LG.com) |
| Status | Announced | Available |
ADDITIONAL INFORMATION5 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Colors | — | Black |
| Compatibility | — | Tom's Guide (tested with an RTX 5090) notes very few games reach frame rates high enough to use the 540Hz / 720Hz modes |
| Launch Price (USD) | $1,099.99 (US launch price) | $999.99 (US launch MSRP) |
| Models | XB253Q U1 | 27GX790B-B |
| Price in Nigeria | ₦1,540,000 (Stored estimate) | ₦1,400,000 (Stored estimate) |
TESTS2 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Brightness Measured | — | 249 nits SDR, 561 nits HDR (Tom's Guide) |
| Color Accuracy | — | Delta E 0.33 (Tom's Guide) |
DESIGN AND BUILD6 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Dimensions (with stand) | — | 605.2 x 527.6 x 220 mm (raised) / 605.2 x 397.6 x 220 mm (lowered) |
| Panel Type | IPS | WOLED (4th Gen Primary RGB Tandem OLED) |
| Screen Size | 24.5 inches | 26.5 inches (67.3 cm), 27-inch class |
| Stand Adjustments | Tilt, height, swivel, pivot | Tilt / Height / Swivel / Pivot (110 mm height adjustment) |
| VESA Mount | 100 x 100 mm | 100 x 100 mm |
| Weight (with stand) | — | 6.8 kg |
DISPLAY AND RESOLUTION12 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Aspect Ratio | — | 16:9 |
| Brightness | 400 nits | 335 cd/m² typical (300 cd/m² min); HDR peak 1,500 cd/m² (1.5% APL), 800 cd/m² (10% APL) |
| Color Depth | 8-bit + FRC (1.07 billion colors) | 1.07 billion colours (10-bit) |
| Color Gamut | 90% DCI-P3, 99% sRGB | DCI-P3 99.5% typical (CIE1976); 94% min |
| Contrast Ratio | 100,000,000:1 (ACM) | 1,500,000:1 typical (1,200,000:1 min) |
| HDR Support | VESA DisplayHDR 400 (450 nits peak in HDR) | VESA DisplayHDR True Black 500, HDR10, HDR Effect |
| Pixel Density | — | 110 PPI (pixel pitch 0.2292 x 0.2292 mm) |
| Refresh Rate | 1000Hz (native) | 540Hz at QHD; 720Hz at HD (Dual Mode) |
| Resolution | 1920 x 1080 pixels | 2560 x 1440 (QHD); HD in 720Hz Dual Mode |
| Response Time | 0.3ms (GtG) | 0.02ms (GtG) |
| Screen Coating | Semi-glossy, circular polariser | Matte anti-glare |
| Viewing Angles | 178° / 178° | 178° (R/L), 178° (U/D) |
GAMING FEATURES3 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Adaptive Sync | AMD FreeSync Premium, NVIDIA G-Sync Compatible | 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) |
CONNECTIVITY5 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Audio Out | — | 4-pole headphone jack |
| DisplayPort | 1x DisplayPort 2.1 | 1x DisplayPort 2.1 with DSC (UHBR13.5) |
| HDMI | 2x HDMI 2.1 | 2x HDMI 2.1 |
| USB Hub | — | 2x USB 3.0 downstream (Type-A) |
| USB-C | — | 1x USB-C (DisplayPort Alt Mode, data) |
POWER3 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| Power Consumption | — | Sleep <0.5W; Off <0.3W |
| Power Supply | — | External power adapter |
| Voltage | — | 100–240V AC, 50/60Hz |
EXTRAS AND FEATURES2 fields
| Specification | Predator XB253Q U1 | UltraGear OLED 27GX790B |
|---|---|---|
| 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 | Visual Response Boost (VRB) Pro | 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 |