Gizmoindex
Devices / Monitors / UltraGear OLED 27GX790B
LG / MonitorsReleased 2026-01-06 (US pre-orders open at LG.com)

LG UltraGear OLED 27GX790B

UltraGear OLED 27GX790B · December 2025

₦1,400,000 (estimate, converted from US launch price)

Stored estimate. No saved seller offers for this device.

Official launch price: $999.99

Our take

Editorial context remains separate from factual specifications.

Explore the LG UltraGear OLED 27GX790B specifications below.

Before you buy

Confirm the storage, condition, warranty and network compatibility of the exact unit before paying. For a used device, check the display, cameras, battery and charging port.

Full specifications

Every applicable group and every stored specification row.

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

Saved seller offers for this exact device. Prices have not yet been reverified; confirm the configuration, condition and availability with the store.

Seller / conditionConfigurationPrice / checkedListing
No saved seller offers are available for this device. Stored estimates do not confirm current price or stock.

Store search links are not verified offers. Confirm price, configuration, condition and warranty before paying.

Owner reviews

Experiences from device owners.

Write a review →

No reviews published yet.

Share your experience

Questions & sources

Answers and supporting references.

Source notes

No manufacturer reference attached yet.

Last updated 25 Sep 2026

Similar devices at this price

Alternative devices and price differences.

Estimate · Same price
LG UltraGear 25G590B
LG · Monitors

UltraGear 25G590B

Complete device profile · May 2026
₦1,400,000Stored estimate
₦1,400,000Compare →
Estimate · Same price
₦1,400,000Compare →
Estimate · ₦1,400 cheaper
BenQ MOBIUZ EX271UZ
BenQ · Monitors

MOBIUZ EX271UZ

Complete device profile · Sep 2025
₦1,398,600Stored estimate
₦1,398,600Compare →
Estimate · ₦70,000 cheaper
Dell UltraSharp U3225QE
Dell · Monitors

UltraSharp U3225QE

Complete device profile · Jan 2025
₦1,330,000Stored estimate
₦1,330,000Compare →
Estimate · ₦96,800 more
BenQ PD2730S
BenQ · Monitors

PD2730S

Complete device profile · Jan 2025
₦1,496,800Stored estimate
₦1,496,800Compare →
Estimate · ₦138,600 more
₦1,538,600Compare →

Search Gizmoindex

Start typing to find devices, brands, categories, guides and news.