LG 75NU840B6LA 75″ NANO 4K AI Smart TV (Black)

LG 75NU840B6LA 75″ NANO 4K AI Smart TV is an ultra-large home entertainment display engineered to deliver brilliant color accuracy, refined contrast, and next-generation smart AI capabilities. Crafted with a Linear Flow frame featuring ultra-thin bezels and a solid dark finish, it creates an immersive centerpiece for spacious living rooms, home theaters, and open-plan media environments.

Powered by LG’s Alpha 7 AI Processor 4K Gen9 paired with Nano Detail Enhancer technology, the 75NU840B6LA refines textures, dynamic contrast, and depth at a nano level to produce true 4K visual realism across its extra-large visual canvas. Operating on the latest webOS smart platform with AI Hub integration—featuring multi-AI assistant search (powered by Google Gemini and Microsoft Copilot), data security protected by LG Shield, and spatial Virtual Surround Sound processing—it provides a cinema-grade home viewing experience.

Key Features

• 75-Inch Massive NANO 4K Canvas – Extra-large 4K Ultra HD panel (3840 x 2160) offering vibrant NanoCell color purity and sharp visual realism.
• Alpha 7 AI Processor 4K Gen9 & Nano Detail Enhancer – Advanced AI processing analyzes image frames in real-time to optimize texture, contrast, and three-dimensional depth.
• Next-Gen webOS & AI Hub – Intuitive smart platform featuring AI Concierge recommendations, personalized user home pages, and multi-AI assistant search (Gemini & Copilot).
• HDR10 Pro & FILMMAKER MODE™ – Delivers optimized dynamic tone mapping for brighter highlights, deeper shadows, and authentic studio-intended picture quality.
• AI Sound Pro & Virtual Surround Processing – Multi-channel virtual spatial audio processing upmixes 2-channel audio to fill massive rooms with dynamic, multi-directional sound.
• Linear Flow Modern Design – Minimalist borderless frame maximizes active viewing space to seamlessly complement modern interior decors.
• Complete Smart & Gaming Connectivity – Features built-in Wi-Fi 5, Bluetooth 5.3, HDMI (with eARC & ALLM), USB, VRR support for low-latency gaming, and robust data security powered by LG Shield.

Specifications

Feature	Specification
Model	75NU840B6LA
Screen Size	75 Inches
Display Type	NANO 4K UHD LED
Resolution	4K Ultra HD (3840 x 2160)
Picture Processor	Alpha 7 AI Processor 4K Gen9
HDR Format	HDR10 Pro, HLG
Operating System	LG webOS (with AI Hub & LG Shield)
Smart AI Support	Voice Control, Multi-AI Assistant Search (Gemini & Copilot)
Audio Output	20 Watts (Virtual Multi-Channel AI Sound Pro)
Wireless Connectivity	Wi-Fi 5, Bluetooth 5.3, Screen Share / Apple AirPlay
Physical Ports	3 x HDMI (eARC / ALLM / VRR), 1 x USB, LAN (Ethernet), Optical Out
Digital Tuner	Built-in Receiver (DVB-T2/S2)
Dimensions (WxDxH)	Approx. 1677 x 70.8 x 965 mm (Without Stand)

Common FAQs

Is the LG 75NU840B6LA a native 4K TV?

Yes, it features a native 4K Ultra HD resolution (3840 x 2160 pixels), providing four times the detail and pixel density of standard 1080p Full HD displays.

How does the Alpha 7 AI Processor 4K Gen9 improve picture quality?

The Alpha 7 AI Processor uses advanced algorithms to perform nano-scale image optimizations, reducing video noise, refining shadow contrast, and upscaling lower-resolution content to near-native 4K quality on the massive 75-inch screen.

What smart AI features are integrated into this 75-inch model?

The 75NU840B6LA includes LG’s AI Hub, featuring voice-controlled search powered by multi-AI models (Google Gemini and Microsoft Copilot), tailored content recommendations via AI Concierge, and personalized user home pages.

Is this TV suitable for modern gaming consoles?

Yes, it comes equipped with gaming enhancements such as Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR) support, and HDMI eARC for high-performance gaming with minimal input lag.

Can the LG 75NU840B6LA be mounted on a wall?

Yes, the rear panel features standard VESA wall-mount screw patterns, making it fully compatible with standard fixed, tilt, or full-motion 75-inch wall mount brackets.