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UltraGear OLED 39GX90SA UltraFine evo 32U990A
LAUNCH DATE
Announced 2024, December 30 (ahead of CES 2025) 2025, January 7 (CES 2025)
Released 2025-04-03 (US, LG.com and authorised retailers) 2025-09-30 (US pre-orders); rollout began late September 2025 in Korea and Japan, US/Europe from October 2025
Status Available Available
ADDITIONAL INFORMATION
Colors White —
Compatibility PCWorld notes 3440x1440 spread over 39 inches gives visibly low sharpness (blocky text/UI); DisplayPort is 1.4 (DSC), not 2.1 Thunderbolt 5 with 96W charging supports MacBook Pro models (PCWorld); LG says it is factory-calibrated for macOS and its KVM switches between Mac and Windows systems
Launch Price (USD) $1,599.99 (US launch MSRP) $1,999.99 (US launch MSRP)
Models 39GX90SA-W 32U990A-S
Price in Nigeria ₦2,770,000 ₦2,800,000 (estimate, converted from US launch price)
TESTS
Brightness Measured ~246 nits SDR sustained, 783.5 nits HDR max sustained (PCWorld) 480 nits SDR, 748 nits HDR (PCWorld)
Color Accuracy Delta E 0.85 in expert preset; 100% sRGB, 96% DCI-P3 measured (PCWorld) Delta E 0.73 average; 100% Adobe RGB, 96% DCI-P3 measured (PCWorld)
DESIGN AND BUILD
Curvature 800R —
Dimensions (with stand) 887.8 x 605.7 x 322.8 mm 718.4 x 582.3 x 198.2 mm
Panel Type WOLED (LG Display OLED) Nano IPS Black
Screen Size 39 inches (99.1 cm) 31.47 inches (79.94 cm), 32-inch class
Stand Adjustments Tilt / Height / Swivel (L-shaped stand) Tilt / Height / Pivot (no swivel)
VESA Mount 100 x 100 mm 100 x 100 mm
Weight (with stand) 11.45 kg 9.5 kg
DISPLAY AND RESOLUTION
Aspect Ratio 21:9 16:9
Brightness 275 cd/m² typical (250 cd/m² min); 1,300 cd/m² peak (HDR, 1.5% APL) 450 cd/m² typical (360 cd/m² min); DisplayHDR 600
Color Depth 1.07 billion colours 1.07 billion colours (10-bit)
Color Gamut DCI-P3 98.5% typical (CIE1976); 94% min DCI-P3 98% (CIE1976), Adobe RGB 99.5% (CIE1931) typical
Contrast Ratio 1,500,000:1 typical (1,200,000:1 min) 2000:1 typical (1400:1 min)
HDR Support VESA DisplayHDR True Black 400, HDR10, HDR Effect VESA DisplayHDR 600, HDR10, HDR Effect
Pixel Density Pixel pitch 0.266 x 0.266 mm 224 PPI (pixel pitch 0.1134 mm)
Refresh Rate 240Hz 60Hz
Resolution 3440 x 1440 (WQHD) 6144 x 3456 (6K)
Response Time 0.03ms (GtG) 5ms (GtG at Faster)
Screen Coating Anti-Glare Low Reflection (AGLR); PCWorld describes it as semi-gloss Semi-gloss (PCWorld)
Viewing Angles 178° (R/L), 178° (U/D) 178° (R/L), 178° (U/D)
GAMING FEATURES
Adaptive Sync NVIDIA G-SYNC Compatible, AMD FreeSync Premium, VESA AdaptiveSync, VRR —
Gaming Aids Black Stabilizer, Crosshair, FPS Counter, User Defined Key —
Low Input Lag Mode Dynamic Action Sync (DAS) Dynamic Action Sync (DAS)
CONNECTIVITY
Audio Out 3-pole headphone out (sound only) —
DisplayPort 1x DisplayPort 1.4 (DSC) 1x DisplayPort 2.1 (UHBR13.5, DSC)
Ethernet / KVM LAN (RJ-45) port; Wi-Fi and Bluetooth; no KVM Built-in KVM; no Ethernet port
HDMI 2x HDMI 2.1 1x HDMI 2.1
USB Hub 2x USB 2.0 downstream (upstream via USB-C) 2x USB-C 3.2 Gen 2 downstream (15W); no USB-A
USB-C 1x USB-C (DisplayPort Alt Mode, data, 65W power delivery) Thunderbolt 5 in + Thunderbolt 5 out (96W power delivery, DisplayPort, daisy chain at 6K/60Hz); plus 1x USB-C upstream
POWER
Power Consumption Sleep <0.5W; DC off <0.5W Sleep <1.2W; DC off <0.3W
Power Supply External power adapter External power adapter
Voltage 100–240V AC, 50/60Hz 100–240V AC, 50/60Hz
EXTRAS AND FEATURES
Eye Care — Flicker Safe; TÜV Rheinland eye comfort certification
Other Features Hexagon Lighting RGB; PIP and 2PBP; Auto Brightness; factory colour calibrated; 4-side virtually borderless; security updates until 31 January 2029 Factory colour calibrated; hardware calibration ready (LG Calibration Studio); Studio Mode colour presets (firmware 3.05+); PBP/PIP; Auto Brightness; Super Resolution+; 4-side virtually borderless; CES 2025 Innovation Award and iF Design Award 2025
Smart Features webOS 24 smart platform with streaming apps (e.g. Netflix, Prime Video, GeForce Now); remote control included —
Speakers 2 x 7W, Bluetooth audio 2 x 5W