LG OLED C2 wins with superior evo panel and Brightness Booster for brighter HDR (per LG specs) plus four HDMI 2.1 ports, beating the B3's α7 Gen6 processor by measurable luminance gains. B3 offers a slightly newer 2023 processor but trails on core display enhancements listed in the grounded facts. Both are discontinued 4K OLEDs from 2022-2023 with no current-gen relevance.