LG 65-Inch Class OLED evo AI vs LG 77-Inch Class OLED evo AI
Updated April 2026 — LG 65-Inch Class OLED evo AI wins on value, LG 77-Inch Class OLED evo AI wins on design.
$1396.99LG 65-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 (OLED65C5PUA, 2025)
LG
$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
The LG 77-Inch Class OLED evo AI takes the win for users prioritizing screen size and immersion, offering a significantly larger viewing area for a moderate price increase. The LG 65-Inch Class OLED evo AI is the better choice for budget-conscious buyers or smaller rooms, delivering the same core technology at a lower entry price.
Why LG 65-Inch Class OLED evo AI is better
Lower Initial Cost
Price is $1396.99 compared to $1699.99
Better Price Per Inch
Approximately $21.49 per inch vs $22.07 per inch
Compact Footprint
65-Inch size fits smaller living spaces easier than 77-Inch
Why LG 77-Inch Class OLED evo AI is better
Larger Screen Diagonal
77-Inch display offers 12 more inches than 65-Inch
Increased Viewing Area
Physical screen surface is significantly larger than 65-Inch model
Higher Immersion Potential
77-Inch size covers more of the viewer field of vision
Overall score
Specifications
| Spec | LG 65-Inch Class OLED evo AI | LG 77-Inch Class OLED evo AI |
|---|---|---|
| Brand | LG | LG |
| Screen Size | 65-Inch | 77-Inch |
| Price | $1396.99 | $1699.99 |
| Processor | Alpha 9 AI Processor Gen8 | Alpha 9 AI Processor Gen8 |
| Panel Technology | OLED evo | OLED evo |
| Brightness Technology | Brightness Booster | Brightness Booster |
| Glare Rating | UGR less than 22 | UGR less than 22 |
| Pixel Count | 8.3 million | 8.3 million |
Dimension comparison
Introduction and Model Overview
This comparison examines two models from the LG OLED evo AI lineup, specifically the 65-Inch and 77-Inch classes. Both televisions share the same core technological foundation, including the Alpha 9 AI Processor Gen8 and OLED evo panel technology. The primary differentiator between the two units is the physical screen size and the corresponding price point. Buyers must decide between the more compact 65-inch model or the larger 77-inch variant based on room dimensions and budget constraints.
Design and Physical Dimensions
The design language across both models is consistent with LG's flagship OLED standards. The primary physical difference lies in the diagonal measurement. The 65-Inch model offers a form factor suitable for standard living rooms or master bedrooms. The 77-Inch model requires a larger wall space or entertainment unit to accommodate its width and height. Both units utilize self-lit pixels, allowing for thin profiles typical of OLED construction. The larger 77-inch screen provides a more dominant presence in a dedicated home theater environment.
OLED Panel Technology
Both televisions utilize LG's OLED evo technology, which features 8.3 million self-lit pixels. This technology allows each pixel to turn on and off independently, resulting in perfect black levels. The data indicates that both models benefit from 12 years of perfected OLED technology. Because the panel technology is identical across both sizes, the fundamental contrast ratio and color accuracy capabilities remain consistent. The difference lies only in the total surface area displaying these pixels.
Brightness and Glare Reduction
LG includes Brightness Booster technology in both the 65-Inch and 77-Inch models. This feature is designed to magnify individual pixels for luminous quality. Both units are Verified by UL for Discomfort Glare Free with a UGR rating of less than 22. This certification suggests that both screens are capable of performing in rooms with ambient lighting without causing significant eye strain. The Bright Room Ready verification applies equally to both sizes, ensuring consistent performance regardless of the physical dimensions of the panel.
Processor and AI Features
The brains behind both television experiences is the Alpha 9 AI Processor Gen8. This processor handles picture optimization and upscaling tasks. AI Super Upscaling technology is present on both models, automatically enhancing picture quality for various content types including sports and movies. Since the processing power is identical, the ability to upscale lower resolution content or manage motion smoothing should perform similarly on both the 65-inch and 77-inch units. The personalized picture adjustments are managed by the same AI architecture.
Picture Quality and Color
With 8.3 million self-lit pixels, both TVs deliver perfect black and perfect color as described in the product features. The OLED technology ensures that pictures deliver stunning quality that matches the brand's flagship standards. Since the pixel density and technology are shared, the color volume and accuracy are expected to be uniform across both sizes. The larger 77-inch screen simply projects this quality over a wider area, which can enhance the perceived impact of high dynamic range content.
Sound and Viewing Experience
The product data states that everything looks and sounds incredible on these LG OLED TVs. While specific speaker wattage or channel configurations are not detailed in the provided specifications, the audio experience is tied to the same processing engine. The viewing experience differs primarily due to the screen size. The 77-Inch model offers a more cinematic field of view, while the 65-Inch model provides a standard high-definition viewing angle. Both aim to deliver an unforgettable TV experience through their shared processor and panel tech.
Price and Value Comparison
The LG 65-Inch Class OLED evo AI is priced at $1396.99, while the 77-Inch Class is priced at $1699.99. The price difference of approximately $303 grants the user an additional 12 inches of screen diagonal. When calculating value based on cost per inch, the 65-Inch model offers a slightly lower entry cost per unit of screen size. However, the 77-Inch model provides a significant jump in immersion for a relatively modest price increase compared to typical scaling in the OLED market. The 65-Inch model wins on strict budget value, while the 77-Inch model wins on premium screen real estate.