The LG C4 55 Inch OLED wins on value with its $1999 MSRP versus the QN900D's $4999, delivering excellent 4K OLED contrast and 120Hz performance via the Alpha 9 AI Gen7 processor. The QN900D counters with true 8K resolution, Quantum Matrix Technology Pro, and 4K@240Hz support through its NQ8 AI Gen3 chip, suiting users needing maximum detail. LG C4 is the stronger pick for most buyers seeking OL...