LG OLED evo C6 4K TV vs LG OLED42C5PUA 42" OLED TV

Both are 42-inch LG OLED evo sets with four HDMI 2.1 ports, Dolby Vision, Dolby Atmos and near-instant response time, so picture character is close. The C6 is the newer 2026 model: a brighter Brightness Booster panel, the Alpha 11 Gen3 processor, up to 165Hz refresh with G-Sync and FreeSync Premium, and webOS with Gemini and Copilot. The C5 runs the Alpha 9 Gen8 chip at 120Hz native with VRR to 144Hz and is a proven set owners rate well. Buy the C6 for the brightest picture and the fastest gaming; the C5 remains a strong OLED if you want the previous generation.

• Choose the LG C6 if you want the brightest OLED picture LG makes in this size and the highest refresh rate for gaming.
• Choose the LG C5 if you want a well-established OLED evo that covers movies and console gaming without the newest processor.