Samsung S90 77 inch 4K Ultra HD OLED Smart TV - QE77S90CATXXU Neural Quantum Processor 4KThis is Samsungs most intelligent processor yet. It uses AI and 20 neural networks to unleash the true power of 4K by analysing and upscaling sound and pictures. Brightness is optimised contrast is amplified and voices are clarified scene-by-scene to bring you the best viewing experience. Motion Xcelerator Turbo ProUltra-low input lag and ultra-responsive gameplay allow you to conquer every enemy even at soaring speeds. You'll experience smooth immersive gaming as 4K @ 144Hz refresh rates eliminate lag and AMD FreeSync Premium eliminates screen tearing. Quantum HDR OLEDThis TVs powerful Quantum HDR OLED technology brings out bright highlights impeccable blacks and incredible depth so you'll see the detail in every scene. Object Tracking Sound LITEDepending on where the action is on the screen Object Tracking Sound Lite selects which of the TV's front speakers the sound plays through. Dolby Atmos technology imitates overhead sound to produce a realistic audio experience. . Samsung OLED TechnologySamsung's OLED TVs with Quantum Dot combine the pure blacks and limitless contrast from OLED technology with the true-to-life colours* from Quantum Dots. Pair picture-perfect blacks with naturally bright colour and you'll experience intensely cinematic viewing - whatever you watch.. *Validated by Pantone. AI Sound (SpaceFit Sound AVA Adaptive Sound+)Your TV adjusts the sound for what you are watching and where you are watching it using artificial intelligence (AI). It automatically adjusts the sound to your surroundings makes background noise less distracting and modifies the sound to the type of content you are watching. Every single thing will be told to you. Gaming HubSamsung Gaming Hub brings together the biggest console and streaming games from Xbox and other industry-leading partners all in one place.  With no downloads storage limits or console required just grab your compatible controller turn on your TV and play.  . Gaming Hub is not available in the Republic of IrelandSamsung Q-SymphonyHaving excellent sound from both the TV speakers and soundbar at the same time will enhance your viewing experience. Give your Samsung TV the audio experience it deserves. Ambient Mode+When your TV is off transform your screen into a decorative or functional feature. Samsung Ambient Mode+ lets you choose from over 100 backgrounds your photos or colourful patterns. Plus it automatically adjusts to the light in your room so it'll easily blend with your decor. The EyeComfort Mode feature even readjusts TV brightness settings depending on the time of day so it's always easy on the eyes..