OLED HDR+: Powerful HDR OLED brightness for lifelike picture detail, Object Tracking Sound Lite & Dolby Atmos®: Experience sound that moves with the action on-screen, Motion Xcelerator 144Hz: Experience ultra-smooth TV gaming with up to 4K 144Hz motion*, NQ4 AI Gen2 Processor: Brightness, colour and detail boosted by our most intelligent 4K AI processor - Expert Reviews – Recommended , , Our most intelligent 4K processor , Performance compared to 2024 QLED Q70D , Pure blacks and bright whites from individually controlled pixels , Powerful HDR OLED brightness for lifelike picture detail , Your favourite apps on the best-selling Samsung Smart TV** , Entertainment for every day. Always for free. , , , - Screen Size: 77"" , Resolution: 4K (3,840 x 2,160) , Refresh Rate: 100Hz (Up to 144Hz) , Anti Reflection , Picture Engine: NQ4 AI Gen2 Processor , HDR (High Dynamic Range): OLED HDR+ , HDR 10+ (ADAPTIVE/ GAMING) , Contrast: Self illuminating pixels , Viewing Angle: Ultra Viewing Angle , Micro Dimming , Contrast Enhancer: Real Depth Enhancer , Motion Technology: Motion Xcelerator 144Hz , Expert Calibration , Smart Calibration: Basic , AI Upscale: 4K AI Upscaling , Supersize Picture Enhancer , AI Motion Enhancer , HDR Brightness Optimizer , Filmmaker Mode (FMM) , AI HDR Remastering , Dolby Atmos , Object Tracking Sound: OTS Lite , Q Symphony , Audio Pre selection Descriptor , Sound Output (RMS): 40W , Speaker Type: 2.1CH , Active Voice Amplifier Pro , Adaptive Sound: Adaptive Sound Pro , 360 Audio , Operating System: Tizen™ Smart TV , Bixby , Far Field Voice Interaction , Built in Voice Assistant: Alexa , Samsung TV Plus , Works with AI Speaker: Alexa , Google Assistant , Web Browser , SmartThings , Samsung Health (GB, IE only) , Universal Browse & Play , Multi Device Experience: TV to Mobile, Mobile to TV, TV initiate mirroring, Sound Mirroring, Wireless TV On, Tap View , Multi View: upto 2 videos , Ambient Mode: Ambient Mode+ , Virtual Communication , NFT , Apple AirPlay (w/o Aland Islands, Faroe islands, Netherlands Antilles, San Marino) , ScreenVitals , Daily+ , Tune Station , S Share , Auto Game Mode (ALLM) , Game Motion Plus , Dynamic Black EQ , VRR , Surround Sound , Super Ultra Wide Game View , Mini Map Zoom , Light sync (AT, BE, DK, FI, FR, DE, IT, NL, NO, PT, ES, SE, CH, GB) , FreeSync: FreeSync Premium , HGiG , Gaming Hub (US, CA, KR, BR, UK, FR, DE, IT, ES, MX, AU) , - Awarded by experts. Expert Reviews – Recommended. (QE65S90D)A New Era of Samsung AI TV. A stunning OLED TV experience. . *TV design may vary. Samsung TV has been ranked No.1 selling TV Brand for 18 consecutive years by Omdia. Top 4 Features. NQ4 AI Gen2 Processor. Our most intelligent 4K processor. Dolby Atmos. Sound reimagined with Dolby Atmos. OLED HDR+Powerful OLED brightness and deep contrast. Motion Xcelerator 144Hz. Up to 4K 144Hz motion* for PC and Console gamers. NQ4 AI Gen2 Processor. Our most intelligent 4K processor . Think of the processor as the brain of the TV, and this is our most intelligent 4K processor. Using AI and 20 AI neural networks, it elevates content to near 4K quality. From streaming to gaming, it optimises both picture and sound, enhancing brightness, contrast, motion, sound and resolution - for a truly exceptional 4K experience. . Performance compared to 2024 QLED Q70D. . *Upscaling may not apply to PC connection and Game Mode. OLED. Pure blacks and bright whites from individually controlled pixels . Experience the magic of cinematic viewing, in your living room. Rather than using a backlight, OLED technology allows each pixel to be individually controlled - creating pure blacks, bright whites and epic contrast. Combined with Pantone validated colour accuracy, everything you watch comes to life in stunning realism. . OLED HDR+*Powerful HDR OLED brightness for lifelike picture detail. Experience stunning detail on your OLED screen. With powerful HDR OLED brightness levels, revel in bright highlights, impeccable blacks, and incredible depth. See every scene come to life with remarkable clarity and precision. . . *OLED HDR applicable to 48"".Smart TV powered by Tizen* Your favourite apps on the best-selling Samsung Smart TV** . Dive into a huge collection of 4K films, TV shows, and all your catch-up TV apps – including Netflix, BBC i. Player, Disney+, Apple TV and NOW apps*** - all in one place. Not sure what to watch? Our easy-to-use and customizable Smart Hub platform gives you personalized recommendations. . *Samsung account required to access our network-based smart services and apps. **Samsung TV has been ranked No.1 selling TV Brand for 18 consecutive years by Omdia. ***Subscriptions required. Some apps may not be available at launch. 3rd party content