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X90k is brighter and has better color production due an higher color gamut, however the x90j has better contrast and better local dimming
Sorry, there was a problem. Please try again later.Hi Jo, Thank you for your interest in the Sony X90K! The X90K has four major improvements from the X90J. 1. Better color reproduction thanks to XR improvement 2. XR Contrast Booster 10 (formerly 5) 3. New remote with sleek and intuitive design 4. Optimal BRAVIA CAM and Ambient Optimization Pro For more information about the Sony X90K, please visit the link below from our Sony Electronics website: https://electronics.sony.com/tv-video/televisions/all-tvs/p/xr55x90k Regards, Sam
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