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Updated
Pros
  • Excellent gaming features
  • Stunning picture quality
  • Low input lag
  • Wide HDR support
  • Incredible 8K resolution
  • High brightness and color accuracy
  • Wide HDR support
  • Smart platform with many apps
Cons
  • Expensive
  • Potential for burn-in
  • Very expensive
  • Limited 8K content available
Bottom Line
The LG OLED55CXPUA is a top choice for gamers, offering low input lag, high refresh rates, and HDMI 2.1 support for a seamless gaming experience.
The LG 75QNED99UPA offers an 8K resolution for an incredibly detailed and immersive viewing experience, making it a great choice for the latest high-definition content.
Size
55 inches
75 inches
Resolution
3840 x 2160
7680 x 4320
Refresh Rate
120Hz
120Hz
HDMI Ports
4
4
Dimensions
48.3 x 27.8 x 1.8 inches
66.0 x 38.1 x 1.8 inches
Weight
41.7 lbs
98.5 lbs
Height
29.1 inches
40.1 Inches
Length
9.9 inches
65.6 Inches
Weight
50.7 pounds
95 pounds
Width
48.3 inches
14.1 Inches
Part Number
OLED55CXPUA
-
Model
OLED55CXPUA
75QNED99UPA

When it comes to high-quality displays, LG TVs are often at the top of the list. Two notable models that stand out in their respective categories are the LG OLED55CXPUA and the LG 75QNED99UPA. While both offer exceptional viewing experiences, they cater to different needs and preferences due to their distinct technologies and sizes.

Size and Viewing Experience

  • LG OLED55CXPUA: This model features a 55-inch screen, which is ideal for smaller to medium-sized rooms or for those who prefer a more intimate viewing experience. The OLED (Organic Light Emitting Diode) technology provides an infinite contrast ratio, true blacks, and vibrant colors, making it perfect for cinematic experiences or gaming with its low input lag.

  • LG 75QNED99UPA: With a much larger 75-inch screen, this model is designed for bigger rooms or for viewers who want an immersive experience. It utilizes QNED (Quantum Dot NanoCell + LED) technology, which combines the color precision of Quantum Dots with the contrast and black levels enhanced by NanoCell technology and local dimming. This results in a wider color gamut and improved brightness compared to standard LED TVs.

Display Technology

  • OLED vs. QNED: The primary difference between these two models lies in their display technologies. OLED panels are known for their exceptional contrast, true blacks (since each pixel can be turned on and off independently), and wide viewing angles. On the other hand, QNED technology offers enhanced color accuracy and brightness, making it suitable for very bright environments or for content that requires a high level of color precision.

  • Color Accuracy and Brightness: While OLED is renowned for its contrast, QNED technology can offer better peak brightness levels, which might be preferable in very well-lit rooms. However, OLED's ability to produce true blacks gives it an edge in terms of overall picture quality, especially in darker scenes or when watching content with deep blacks.

Smart Features and Gaming

  • Smart TV Platform: Both models run on LG's webOS platform, offering a user-friendly interface, access to a wide range of apps (including major streaming services), and features like voice control through the Magic Remote. The experience is largely similar across both models in terms of smart features.

  • Gaming Performance: For gamers, the LG OLED55CXPUA might have an edge due to its potentially lower input lag and faster response time compared to QNED models. However, the LG 75QNED99UPA also supports advanced gaming features like variable refresh rate (VRR) and auto low latency mode (ALLM), making it a strong contender for large-screen gaming.

Conclusion

Choosing between the LG OLED55CXPUA and the LG 75QNED99UPA ultimately depends on your priorities. If you value the deepest blacks, infinite contrast ratio, and don't mind a smaller screen size, the OLED model is likely the better choice. On the other hand, if a larger screen with enhanced color accuracy and brightness is what you're after, especially for viewing in bright environments or enjoying content that benefits from Quantum Dot technology, then the QNED model is preferable.

For those invested in the ecosystem of LG TVs, both models offer exceptional quality and cutting-edge features. Whether you opt for the sleek visuals of OLED or the vibrant display of QNED, rest assured you're getting one of the best viewing experiences available in the market today.