Dell UltraSharp U3226Q / LG UltraGear evo GX9 39GX950B-B

Dell UltraSharp U3226Q: U3226Q · PW88C · 31.5-inch · black

LG UltraGear evo GX9 39GX950B-B: 39GX950B-B · 38.86-inch · 5K2K · black

SpecificationDell UltraSharp U3226QLG UltraGear evo GX9 39GX950B-B
Release year20262026
Display31.5-inch QD-OLED · 3840 × 2160 Dell38.86-inch OLED · 5120 × 2160 · 21:9 LG
Refresh rate120 Hz Dell165 Hz (5120 × 2160) LG
Pixel density140 ppi Dell—
Typical brightness300 nits Dell—
Peak HDR brightness1000 nits · 3% APL

Small bright-area condition, not sustained full-screen brightness.

Dell
1500 nits

Peak figure LG states under internal test conditions; not sustained full-screen brightness.

LG
HDR formatsDolby Vision, PQ, HLG; DisplayHDR True Black 500 DellHDR10; VESA DisplayHDR True Black 500; no Dolby Vision LG
Colour coverage99% DCI-P3 / Display P3; 94% Adobe RGB; 100% sRGB

Manufacturer typical figures, using different CIE measurement spaces.

Dell
DCI-P3 99.5% typical, 94% minimum (CIE1976); 1.07 billion colours LG
Pixel response0.03 ms GtG

Not total input lag.

Dell
0.03 ms GtG

Not total input lag.

LG
SurfaceAnti-glare low-reflectance coating DellAnti-glare, low-reflection front polarizer LG
CalibrationBuilt-in colorimeter; settings stored on the monitor DellFactory calibrated; hardware-calibration ready (LG Calibration Studio) LG
Video inputs2 × HDMI 2.1 FRL; 1 × DisplayPort 1.4 Dell—
Thunderbolt upstreamThunderbolt 4; video/data; up to 140 W EPR

Requires a compatible computer and cable.

Dell
—
Thunderbolt downstreamThunderbolt 4 daisy chain; up to 15 W Dell—
USB upstream1 × USB-C 10 Gbit/s; data only Dell—
USB downstream3 × USB-A 10 Gbit/s; 2 × USB-C 10 Gbit/s / up to 27 W Dell—
NetworkRJ45 · 10/100/1000/2500 Mbit/s Dell—
Multiple sourcesKVM, PIP and PBP Dell2 × PBP and PIP; no built-in KVM LG
Stand150 mm height; −5°/+21° tilt; ±30° swivel; ±90° pivot DellTilt −8° / +15°; ±30° swivel; 110 mm height adjustment

The manual does not describe pivot rotation.

LG
Audio / cameraNo built-in speakers or webcam Dell—
Curvature—1500R LG
Pixel pitch—0.1776 × 0.1776 mm LG
Dual-Mode—330 Hz at 2560 × 1080 in the 21:9 modes; 330 Hz at 1920 × 1080 in the 16:9 modes

The product page calls this mode QHD in one place and WFHD in another; the resolutions in the manual were used. Exit the game before changing the mode.

LG
Brightness—335 nits typical; 300 nits minimum LG
Contrast ratio—1,850,000:1 typical; 1,480,000:1 minimum

Manufacturer figure.

LG
Variable refresh—G-SYNC Compatible; FreeSync Premium Pro LG
DisplayPort—1 × DisplayPort 2.1; UHBR20

The graphics card and cable must support this rate.

LG
HDMI—2 × HDMI 2.1

The menu has 2.1(PC) and 2.1(AV) compatibility options. The product page connectivity table omits the HDMI count; the two inputs in the manual were used.

LG
USB-C input—1 × USB-C; video, data and up to 90 W power

The manual lists DP Alternate Mode and Power Delivery. The port does not power the monitor; the adapter is required.

LG
USB hub—USB-C upstream; 2 × downstream USB 3.2 Gen 2

The manual says the downstream ports run at USB 2.0 over a USB-C to USB-C cable and USB 3.0 over a USB-C to USB-A cable.

LG
Audio—2 × 7 W speakers; 4-pole headphone output; AI Sound LG
Wall mount—100 × 100 mm; 4 × M4 × L10 screws; optional LSW149 plate LG
Dimensions—921.4 × 605.4 × 322.8 mm with stand (up); 921.4 × 495.4 × 322.8 mm (down); 921.4 × 405.0 × 118.7 mm without stand

Width × height × depth.

LG
Weight—10.7 kg with stand; 6.8 kg without LG
Power—External adapter; 40.3 W on-mode in SDR, 45.9 W in HDR

On-mode power demand from the product information sheet.

LG
OLED care—Screen saver; Image Cleaning of about 10 minutes

The manual states that prolonged use can cause permanent brightness reduction and image retention.

LG
Lighting—Unity Hexagon Lighting 2.0 on the back LG
Warranty—2 years; OLED panel included LG