Hi JD - Great question. Processing & Picture: 2024 S85D and 2025 S85F both use the NQ4 AI Gen2 Processor, but the S85F adds Color Booster Pro, delivering more vibrant and lifelike colors. Motion & Gaming: Both TVs offer Motion Xcelerator 120Hz and strong gaming support, but the S85F adds AI Auto Game Mode for genre and scene-optimized performance. Audio: While both models have built-in Dolby Atmos, Object Tracking Sound Lite, Q-Symphony, and Adaptive Sound/Active Amplifier Pro, the S85F adds AI Mode sound enhancements. Design: S85D features a sleeker LaserSlim design, while the S85F embraces a clean Contour Design. Smart: The S85F upgrades to Samsung Vision AI, delivering personalized recommendations, real-time translation, gesture controls, and smart home insights.
~ Samsung Specialist