LG UHD 43UR78007LL Series

1. 📺 True 4K UHD Resolution with HDR10 Pro

Features a native 4K Ultra HD panel (3,840 × 2,160) with HDR10 Pro and HLG support, delivering enhanced brightness, improved dynamic tone mapping, and deeper colour depth 

2. 🧠 Powered by α5 AI Processor 4K Gen6

Includes LG’s α5 AI Processor 4K Gen6, offering real-time 4K upscaling, AI Brightness Control, and Dynamic Tone Mapping for optimized picture quality across all content types 

3. 🎬 Filmmaker Mode & Multi‑Mode Picture Settings

Supports Filmmaker Mode™, along with nine picture presets (Vivid, Cinema, Game, ISF‑Bright/Dark, etc.) to cater to diverse viewing scenarios .

4. 🎮 Gaming Features: ALLM, HGiG & Game Optimiser

Equipped with Auto Low Latency Mode (ALLM), HGiG, and a built‑in Game Dashboard for adjusting settings per genre—all operating at a 60 Hz native refresh rate (no 120 Hz or VRR support) .

5. 🌐 Smart Platform: webOS 23 Enhanced with ThinQ AI

Runs webOS 23 with support for ThinQ AI, Magic Remote, voice control, AirPlay 2, HomeKit, Matter, and app streaming access (Netflix, Disney+, Prime Video, Apple TV+) 

6. 🔊 20 W Audio with AI Sound Pro & Clear Voice

Delivers clear audio output (2.0‑channel, 20 W) featuring AI Sound (virtual 5.1 surround), Clear Voice Pro, AI Acoustic Tuning, and Bluetooth Surround ready capabilities 

7. 🔌 Modern Connectivity

Includes 3 HDMI ports (supporting eARC & ALLM via HDMI 2.1 spec), 2 USB 2.0, Ethernet, Wi‑Fi 5, Bluetooth 5.0, optical SPDIF output, HDMI‑CEC (Simplink), and dual RF inputs .

8. 🧱 Slim Direct‑LED Design with VESA Mount Support

Sporting slim bezels and a sleek direct‑LED design, it weighs around 8.8 kg (without stand). Dimensions are roughly 967 × 564 × 57 mm, with VESA 200×200 mm compatibility 

9. ⚠️ Limitations Highlighted by Users

Reddit users note it’s limited by a 60 Hz panel, lacks VRR support, and offers underwhelming upscaling and HDR processing when compared to higher‑end models 

10. ⚖️ Ideal Use‑Cases vs. Drawbacks

— Well-suited for budget‑friendly 4K streaming, casual gaming, and everyday TV in well-lit rooms.
— Not recommended for dark‑room cinematic viewing, high‑refresh gaming, or users wanting smooth UI performance—some report laggy webOS, weak built‑in speaker quality, and washy blacks in dark scenes