LG 77-Inch Class OLED evo AI vs TCL
Updated April 2026 — LG 77-Inch Class OLED evo AI wins on picture and design, TCL wins on value and hdr.
$1699.99LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV w/Dolby Atmos, Dolby Vision, HDR10, AI Super Upscaling 4K, Filmmaker Mode, Wow Orchestra, Alexa Built-in (OLED77C5PUA, 2025)
LG
$447.99TCL 55 Inch Class QM6K Series | Mini LED QLED 4K HDR | 55QM6K, 2025 Model | 120HZ-144HZ High Brightness Smart Google TV Dolby Atmos Onkyo Audio | Voice Remote Alexa Gaming Streaming Television
TCL
The LG 77-Inch Class OLED evo AI offers superior picture quality with 8.3 million self-lit pixels and verified glare control, making it the premium choice for cinematic experiences. However, the TCL QM6K provides exceptional value at a significantly lower price point with robust HDR support and QD-Mini LED technology suitable for bright rooms.
Why LG 77-Inch Class OLED evo AI is better
Higher pixel density for detail
Features 8.3 million self-lit pixels
Verified glare reduction
UL Verified UGR less than 22
Advanced processing generation
Equipped with Alpha 9 AI Processor Gen8
Why TCL is better
Significantly lower cost
Priced at $447.99 compared to $1699.99
Broader HDR format support
Supports 4 formats including Dolby Vision and HDR10+
High color volume capability
Delivers over 1 billion vibrant colors
Overall score
Specifications
| Spec | LG 77-Inch Class OLED evo AI | TCL |
|---|---|---|
| Price | $1699.99 | $447.99 |
| Screen Size | 77-Inch | — |
| Display Technology | OLED | QD-Mini LED |
| Pixel Count | 8.3 million | — |
| Processor | Alpha 9 AI Processor Gen8 | — |
| HDR Formats | — | Dolby Vision, HDR10+, HDR10, HLG |
| Glare Rating | UGR less than 22 | — |
| Color Volume | — | Over 1 billion |
Dimension comparison
Design and build quality
The LG 77-Inch Class OLED evo AI represents a flagship design approach, celebrating 12 years of perfecting OLED TV technology. This longevity suggests a refined build quality focused on integrating the display seamlessly into home environments. The unit is verified by UL for Discomfort Glare Free performance, indicating a screen surface engineered to minimize reflections. In contrast, the TCL QM6K QD-MINI LED TV SERIES focuses on affordable premium performance. While specific build dimensions for the TCL model are not provided in the data, the series is designed to fit various room setups. Both brands prioritize aesthetic integration, though the LG model emphasizes a premium finish suitable for bright rooms.
Display technology and picture quality
At the core of the comparison is the display technology. The LG model utilizes OLED technology with 8.3 million self-lit pixels. This allows for perfect black levels since each pixel produces its own light, delivering stunning pictures that other brands often cannot match. The Brightness Booster technology magnifies each individual pixel for luminous quality. Conversely, the TCL model employs QD-Mini LED technology, which combines ultra-precise Mini LEDs with Quantum Dot technology. This approach aims for incredible brightness and bold contrast. While OLED offers superior black levels, the Mini LED approach targets high brightness performance in any light.
HDR performance and color accuracy
High Dynamic Range performance varies between the two units. The TCL QM6K explicitly lists support for Dolby Vision, HDR10+, HDR10, and HLG. This comprehensive support ensures compatibility with a wide range of 4K content sources, delivering exceptional color and contrast across different streaming services. The LG model emphasizes Perfect Black and Perfect Color through its flagship OLED technology. While specific HDR format labels are not listed in the provided data for LG, the AI Super Upscaling technology automatically enhances picture quality. The TCL unit claims over a billion vibrant colors, suggesting strong color volume performance for HDR content.
Gaming features and motion handling
For gaming and motion, both televisions offer features tailored to smooth performance. The LG Alpha 9 AI Processor Gen8 ensures personalized smooth and vivid pictures regardless of the content, whether watching sports or movies. This processing power helps reduce motion blur and enhance clarity during fast-paced scenes. The TCL QM6K is designed to outperform traditional QLED and OLED TVs for sports and gaming, promising ultra-smooth motion. The QD-Mini LED technology contributes to this by maintaining contrast during motion. Neither product lists specific refresh rates or VRR support in the provided text, but both prioritize motion handling.
Audio capabilities and sound quality
Audio performance is integrated into the overall viewing experience for both models. The LG documentation states that everything looks and sounds incredible on their OLED TV, implying a tuned audio system that complements the visual output. The Alpha 9 processor likely contributes to audio upscaling alongside picture enhancement. The TCL model focuses on the visual HDR experience, with audio capabilities implied through the support of HDR audio formats associated with Dolby Vision. Specific speaker configurations or wattage are not detailed in the provided data for either unit, so external sound systems may be considered for critical listening.
Smart platform and processing power
Processing power distinguishes the premium tier from the value tier. The LG TV features the Alpha 9 AI Processor Gen8, described as the brains behind a truly unforgettable TV experience. This processor handles AI Super Upscaling to enhance lower-resolution content. The TCL model utilizes the TCL Halo Control System for better blacks and sharper detail without blooming. This system manages the local dimming zones inherent to Mini LED technology. While LG highlights AI-driven personalization, TCL focuses on optical control systems to manage light output accurately across the screen.
Connectivity and port selection
Specific port configurations such as HDMI 2.1 counts or USB availability are not detailed in the provided product data for either television. Typically, models in these categories offer standard connectivity options for streaming devices, gaming consoles, and audio systems. The LG model's focus on AI upscaling suggests robust handling of various input sources. The TCL model emphasizes streaming and gaming readiness, which usually necessitates sufficient bandwidth ports. Consumers should verify physical port layouts based on specific sub-model numbers if specific connectivity needs like eARC or multiple HDMI inputs are required.
Price and value proposition
The price difference between these two units is significant. The LG 77-Inch Class OLED evo AI is listed at $1699.99, reflecting its large screen size and premium OLED panel technology. The TCL QM6K QD-MINI LED TV SERIES is priced at $447.99, positioning it as an affordable premium option. For buyers prioritizing screen size and OLED perfect blacks, the LG offers high value despite the cost. For buyers seeking HDR performance and Mini LED technology on a budget, the TCL provides a compelling alternative. The choice depends on whether the user values the 77-inch OLED experience or the cost savings of the Mini LED series.