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A 39 inch curved ultrawide OLED gaming monitor in purple gray with a height adjustable stand

LG Electronics

LG Electronics 39GX950B-B 39" 5K2K OLED gaming monitor

SKU CH-MJ7G-61XYC MPN 39GX950B-B

A 39‑inch curved 5K2K OLED gaming monitor with Dual‑Mode refresh up to 330 Hz and 0.03 ms response

  • Cabinet ColorPuple Gray
  • Screen Size39"
  • WidescreenYes
  • PanelOLED
  • Adaptive Sync TechnologyFreeSync Premium Pro & G-Sync Compatible
  • Resolution5120 x 2160 (5K)
  • 5K2K resolution with 143 PPI for razor-sharp detail
  • 39-inch 21:9 curved OLED with 1500R curve for immersive field of view
  • Dual-mode up to 330 Hz and 0.03 ms response for ultra-smooth motion
  • 5% DCI-P3 and 1.07 billion colours for vivid, accurate HDR
  • FreeSync Premium Pro and G-Sync Compatible for tear-free gaming

39-inch 5K2K curved OLED

The 39GX950B-B is a 39-inch ultrawide gaming monitor with a 5120×2160 OLED panel and a 21:9 aspect ratio. Its 1500R curvature and 143 PPI pixel density deliver sharp detail across a wide field of view. The display covers 99.5% of the DCI-P3 colour space and renders 1.07 billion colours for accurate, vibrant visuals.

Thermals noise and power

The 4th Gen Primary RGB Tandem OLED structure reaches 335 nits typical brightness while improving power efficiency over previous designs. OLED pixel-level lighting produces a 1,850,000:1 typical contrast ratio with perfect blacks and no backlight bleed. The 0.03ms response time eliminates ghosting without the noise of active cooling systems.

Dual-Mode 165Hz and 330Hz

Dual-Mode lets the panel run at 5K2K 165Hz for maximum detail or drop to Full HD 330Hz for competitive speed without a GPU upgrade. Built-in AI upscaling enhances lower-resolution signals toward the native 5K2K grid automatically. FreeSync Premium Pro and G-Sync Compatible support keep variable refresh smooth across both modes.

Highlights

  • 5K2K resolution with 143 PPI for razor-sharp detail
  • 39-inch 21:9 curved OLED with 1500R curve for immersive field of view
  • Dual-mode up to 330 Hz and 0.03 ms response for ultra-smooth motion
  • 5% DCI-P3 and 1.07 billion colours for vivid, accurate HDR
  • FreeSync Premium Pro and G-Sync Compatible for tear-free gaming

Specifications

BrandLG
SeriesUltraGear
Model39GX950B-B
Part Number39GX950B-B
Cabinet ColorPuple Gray
Screen Size39"
WidescreenYes
PanelOLED
Adaptive Sync TechnologyFreeSync Premium Pro & G-Sync Compatible
Resolution5120 x 2160 (5K)
Viewing Angle178° (H) / 178° (V)
Aspect Ratio21:9
Brightness300 cd/m2 (Min.)
Contrast Ratio1,850,000:1 (Typ.)
1,480,000:1 (Min.)
Response Time0.03 ms
Color GamutDCI-P3 99.5% (Typ.)
Display Colors1.07 Billion
Monitor Pixel Density0.1776mm
Refresh Rate165Hz
HDR StandardHDR10
VESA Certified DisplayHDRDisplayHDR True Black 500
Curved Surface ScreenCurved
Curvature Radius1500R
HDMI2 x HDMI 2.1
DisplayPort1 x DisplayPort 2.1
Video Ports1 x DisplayPort 2.1 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
Headphone4-Pole(Sound+Mic)
Power Supply100 - 240 VAC, 50/60Hz
Power ConsumptionPower Consumption (On-Mode): 54W
Power Consumption (On-Mode) (ErP): 40W
Power Consumption (Sleep Mode): Less than 0.5W
Power Consumption (DC Off): Less than 0.3W
Stand AdjustmentsHeight, Swivel, Tilt
Built-in Speakers2 x 7W
Built-in WebcamNo
VESA Compatibility - Mountable100 x 100mm
FeaturesHDR Effect
Color Calibrated in Factory
HW Calibration Ready
(SDR) : Personalized Picture, Gamer 1, Gamer 2, FPS, RTS, Vivid, Reader, HDR Effect, sRGB, DCI-P3, Color Weakness, Max Brightness, Calibration 1, Calibration 2 (HDR) : Personalized Picture, Gamer 1, Gamer2, FPS, RTS, Vivid, Max Brightness
Reader Mode
Color Weakness
VRR
VESA Adaptive Sync
VESA Dual-Mode
Black Stabilizer
Dynamic Action Sync
Crosshair
FPS Counter
User Defined Key
Auto Input Switch
Unity Hexagon Lighting 2.0
2PBP
PIP
Smart Energy Saving
Live Color Low Blue Light
VESA DSC Tech, 4way Joystick, AI Boost
Dimensions19.50''-23.83'' x 36.28'' x 12.71'' with Stand
15.94'' x 36.28'' x 4.67'' without Stand
Weight23.59 lbs. with stand
14.99 lbs. without stand
Shipping weight16.92 kg
Package size1029 × 556 × 292 mm

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