A:Answer The Samsung S90C (2023) and S90D (2024) OLED TVs share many features but differ in several key areas:
Picture Quality:
• Brightness: The S90D is approximately 20% brighter than the S90C, enhancing HDR content and overall viewing in well-lit environments. 
• Processor: The S90D features the NQ4 AI Gen2 Processor with 20 AI neural networks, offering advanced image processing and upscaling, while the S90C uses the Neural Quantum Processor. 
Panel Types and Sizes:
• Panel Types: The S90D offers both QD-OLED panels (55”, 65”, 77”) and W-OLED panels (42”, 48”, 83”), whereas the S90C uses QD-OLED panels for the smaller sizes and W-OLED for the 83” model. 
Design and Features:
• Design: Both models feature a bezel-less design with ultra-thin profiles, making them visually similar. 
• Smart Features: Both TVs run on Tizen OS, supporting built-in Alexa and Bixby, and offer access to various streaming apps. The S90D includes FreeSync Premium Pro, enhancing HDR gaming experiences. 
Audio:
• Sound Quality: Both models offer 2.1 Channel sound with Dolby Atmos and Object Tracking Sound Lite. The S90D introduces Active Voice Amplifier Pro for improved dialogue clarity. 
Pricing:
• Cost: The S90D is priced higher than the S90C, with the 65” model of the S90C around $1,575 and the S90D at $2,700. 
In summary, the S90D offers enhanced brightness, advanced processing, and additional size options, making it a compelling choice for those seeking superior performance and features.
