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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

  • Screen size39 in (99.1 cm)
  • Display resolution5120 × 2160 (5K)
  • Refresh frequency165 Hz
  • Panel typeOLED
  • Pixel response time0.03 ms
  • HDR formatHDR10
  • 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.

How it compares

Measured against everything we stock in Monitors for Gamers, at today’s prices. Recalculated every night.

Price $1,435.99
Pricier than about 93% of the 839 comparable items (median $189.99).
Screen size 39 in (99.1 cm)
Higher than about 92% of the 814 comparable items (median 27 in).
Refresh frequency 165 Hz
Lower than about 70% of the 735 comparable items (median 180 Hz).

Specifications

Product
Brand nameLG
Product lineUltraGear
Model name39GX950B-B
Part number39GX950B-B
Case colorPuple Gray
Display
Screen size39 in (99.1 cm)
Display resolution5120 × 2160 (5K)
Refresh frequency165 Hz
Panel typeOLED
Pixel response time0.03 ms
HDR formatHDR10
Image brightness300 cd/m2 (Min.)
Screen curvatureCurved
Widescreen formatYes
Variable refresh rateFreeSync Premium Pro & G-Sync Compatible
Viewing angles178° (H) / 178° (V)
Screen ratio21:9
Contrast1,850,000:1 (Typ.)
1,480,000:1 (Min.)
Color gamut coverageDCI-P3 99.5% (Typ.)
Colors displayed1.07 Billion
Pixel pitch0.1776 mm
DisplayHDR certificationDisplayHDR True Black 500
Audio & video
Integrated speakers2 × 7 W
Integrated webcamNo
Ports & slots
HDMI ports2 x HDMI 2.1
DisplayPort connectors1 x DisplayPort 2.1
Video connectors1 x DisplayPort 2.1 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
Headphone jack4-Pole(Sound+Mic)
Power
Power draw(On-Mode): 54 W
Power Consumption (On-Mode) (ErP): 40 W
Power Consumption (Sleep Mode): Less than 0.5 W
Power Consumption (DC Off): Less than 0.3 W
Power supply100–240 VAC, 50/60 Hz
Size & build
Stand adjustabilityHeight, Swivel, Tilt
VESA mounting pattern100 × 100 mm
Product dimensions19.5 in-23.83 in × 36.28 in × 12.71 in with Stand
15.94 in × 36.28 in × 4.67 in without Stand
Product weight23.59 lb with stand
14.99 lb without stand
Shipping weight16.92 kg
Package size1029 × 556 × 292 mm

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