LG UltraGear OLED 27GX790A-B
110.8 ppiPixel pitch 229.2 µm
At a glance
Key facts
- Diagonal Size
- 26.5"
- Resolution
- 2560x1440
- Panel / Backlight
- OLED · WOLED · self-emissive
- Aspect Ratio
- 16:9
- USB-C Power Delivery
- -
Available specifications
46 fields · 9 unavailable fields
PHYSICAL SCALE
- PHYSICAL SIZE
- 586.66 × 329.99 mm
RELEASE / IDENTITY
- Release Date
- 2025
- Brand
- LG
- Series
- UltraGear OLED
- Model
- 27GX790A-B
SCREEN
- Active Screen Area
- 586.66 × 329.99 mm
- Diagonal Size
- 26.5"
- Resolution
- 2560x1440
- Aspect Ratio
- 16:9
- Pixel Density
- 110.8 ppi
- PPI / PIXEL PITCH
Visual insight
Pixel density / PPI
Fixed 50–300 PPI axis. Pixel-pitch samples are symbolic and not physical pixels.
- Panel / Backlight
- OLED · WOLED · self-emissive
- Screen Shape
- Flat
MOTION
- Refresh Rate
- 480 Hz
- VRR Range
- 48–480 Hz
- Adaptive Sync
- NVIDIA G-SYNC Compatible / AMD FreeSync Premium Pro / VESA AdaptiveSync
- Official Response
- 0.03 ms · official GtG
HDR & COLOR
- HDR Formats
- HDR10
- HDR Certifications
- VESA DisplayHDR True Black 400
- HDR CAPABILITY
Visual insight
HDR capability
Five fixed axes: 2,000 nits linear; 1,500,000:1 and 2,304 zones logarithmic; 4 formats; 6–12 bit. Missing axes stay open, not zero.
LG UltraGear OLED 27GX790A-B✓VESA DisplayHDR True Black 400 · HDR10Peak brightness-Contrast1,500,000:1 · claimedDimmingPixel-level (OLED)HDR formats1 formatsColor depth10-bitClaimed typical275 nitsClaimed peak-Measured peak-Local dimmingPixel-level (OLED)- Claimed Brightness
- Typical 275 nits
- Claimed Contrast
- 1,500,000:1
- Local Dimming
- pixel-level self-emissive
- Color Coverage
- DCI-P3 98.5%
- COLOR GAMUT COVERAGE
Visual insight
Color gamut coverage
Coverage bars use a fixed 0–100% axis. They do not depict CIE geometry, gamut shape, or overlap.
LG UltraGear OLED 27GX790A-BsRGB-DCI-P398.5%Adobe RGB-- Color Depth
- 10-bit · 10-bit panel
CONNECTIVITY
- PORT MAP
Visual insight
Ports and hub features
Icons use structured counts, versions, capabilities, and booleans. Unsupported and unknown remain distinct.
LG UltraGear OLED 27GX790A-BHDMI2× · vHDMI 2.1✓DisplayPort1× · vDisplayPort 2.1✓USB-CUnknown?ThunderboltUnknown?USB hubSupported✓EthernetUnsupported—AudioSupported✓KVMUnsupported—- HDMI
- 2 ports · HDMI 2.1
- DisplayPort
- 1 ports · DisplayPort 2.1
- USB-C
- -
- Thunderbolt
- -
- USB-C Capabilities
- -
- USB-C Power Delivery
- -
- Hub / KVM / Ethernet
- USB hub Yes · KVM No · Ethernet No
- Audio / Speakers
- Audio out Yes · Speakers No
ERGONOMICS
- ERGONOMIC CAPABILITIES
Visual insight
Ergonomics
Adjustment ranges, known stand capabilities and VESA dimensions are shown. Unspecified directions remain unknown.
LG UltraGear OLED 27GX790A-BHeight110 mm✓Tilt-5° to 15°✓Swivel20° to 20°✓Pivot90° to 90°✓VESA100 × 100 mm✓- Stand
- Stand included · height/tilt/swivel/pivot adjustable
- Height Adjustment
- 110 mm
- Tilt
- -5° – 15°
- Swivel
- L 20° · R 20°
- Pivot
- L 90° · R 90°
- VESA Mount
- 100 × 100 mm
BODY & POWER
- Body Dimensions
- -
- With-Stand Dimensions
- -
- Weights
- -
- Power Consumption
- -
- Warranty
- -
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