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LG 77-Inch Class OLED evo AI vs Samsung 75-Inch Class QLED Q8F 4K

Updated April 2026 — LG 77-Inch Class OLED evo AI wins on value and screen size, Samsung 75-Inch Class QLED Q8F 4K wins on sound.

Winner
LG 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)$1699.99

LG 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

Samsung 75-Inch Class QLED Q8F 4K UHD Smart TV (2025 Model) Q4 AI Processor, 100% Color Volume + Samsung Q800F 5.1.2ch Q Series Soundbar + Subwoofer, Wireless Dolby Atmos (HW-Q800F, 2025)$1795.98

Samsung 75-Inch Class QLED Q8F 4K UHD Smart TV (2025 Model) Q4 AI Processor, 100% Color Volume + Samsung Q800F 5.1.2ch Q Series Soundbar + Subwoofer, Wireless Dolby Atmos (HW-Q800F, 2025)

Samsung

The LG 77-Inch Class OLED evo AI offers a larger screen size and OLED technology at a lower price point than the Samsung 75-Inch Class QLED Q8F 4K. While Samsung provides specific Dolby Atmos sound capabilities, LG counters with verified glare reduction and self-lit pixel technology. For buyers prioritizing screen real estate and contrast performance per dollar, the LG model presents a compelling option.

Why LG 77-Inch Class OLED evo AI is better

Lower retail price

$1699.99 vs $1795.98

Larger screen diagonal

77-Inch vs 75-Inch

Verified glare reduction

UGR less than 22

Why Samsung 75-Inch Class QLED Q8F 4K is better

Explicit 3D sound tech

Dolby Atmos 3D

High color depth capability

Over a billion colors

AI optimization focus

AI-optimized color-boosted picture

Overall score

LG 77-Inch Class OLED evo AI
88
Samsung 75-Inch Class QLED Q8F 4K
85

Specifications

SpecLG 77-Inch Class OLED evo AISamsung 75-Inch Class QLED Q8F 4K
Screen Size77-Inch75-Inch
Display TechnologyOLEDQLED
Price$1699.99$1795.98
ProcessorAlpha 9 AI Processor Gen8AI-optimized
Pixel/Color Info8.3 million self-lit pixelsOver a billion colors
Sound TechnologyDolby Atmos 3D
Glare RatingUGR less than 22
BrandLGSamsung

Dimension comparison

LG 77-Inch Class OLED evo AISamsung 75-Inch Class QLED Q8F 4K

Design and Build Quality

The physical presentation of these televisions centers on their large form factors. The LG model features a 77-Inch class display, providing a slightly larger viewing surface compared to the 75-Inch class Samsung unit. LG emphasizes its OLED technology, which utilizes 8.3 million self-lit pixels. This structure allows for a design focused on perfect black levels. Samsung utilizes QLED technology, incorporating nano-sized Quantum Dots. Both brands aim for premium aesthetics suitable for living room environments, though specific stand dimensions or wall-mount weights are not detailed in the provided specifications.

Picture Quality Technology

Display technology is the primary differentiator between these two units. The LG television employs OLED evo AI technology, celebrating 12 years of development in this area. The self-lit pixels enable perfect black production, which delivers stunning pictures that differ from backlight-dependent technologies. Samsung counters with QLED 4K technology, designed to powers dramatically clear color and sound. The Quantum Dots can display the entire color spectrum, aiming to maintain color truth even in bright scenes. Both units support 4K resolution, ensuring high-definition content playback.

HDR and Brightness Performance

High Dynamic Range performance relies heavily on brightness management. LG incorporates Brightness Booster technology, which magnifies each individual pixel for luminous quality. This aims to ensure details shine regardless of the content. Additionally, the LG unit is Verified by UL for Discomfort Glare Free, with a UGR less than 22. This verification suggests confidence in performance across various lighting conditions. Samsung focuses on color precision at any brightness level, leveraging its quantum dot structure to appreciate every beautiful shade of color. Specific peak nits or HDR format support like Dolby Vision or HDR10+ are not explicitly listed in the provided data.

Sound Performance

Audio capabilities vary significantly in the provided descriptions. Samsung explicitly highlights legendary 3D sound that comes from around and above you without messy cables. This system supports Dolby Atmos 3D sound, offering object-based spatial audio. Users can hear distinct sounds from above and around, simulating a concert hall or movie theater environment. The LG description mentions that everything looks and sounds incredible on a LG OLED TV but does not specify a particular audio format like Atmos or channel configuration in the provided text. This gives Samsung a documented advantage in audio specification transparency.

Smart Platform Features

Both televisions function as smart hubs, though specific operating system names are not fully detailed in the input data. Samsung references Samsung TV AN, implying its proprietary smart interface ecosystem. LG focuses on the experience provided by the Alpha 9 AI Processor Gen8, which acts as the brains behind the TV experience. This processor facilitates a personalized smooth, vivid picture. Both units likely support streaming applications and connectivity standard to modern 4K televisions, but specific app stores or voice assistant compatibility are not enumerated in the provided feature lists.

Processing and AI Capabilities

Processing power drives the user experience and image enhancement. The LG unit is equipped with the Alpha 9 AI Processor Gen8. This hardware enables AI Super Upscaling technology, which automatically enhances picture quality for sports, movies, or late-night favorites. Samsung utilizes AI-optimized color-boosted picture and audio quality. This enhancement adjusts according to the type of content being watched. Both manufacturers leverage artificial intelligence to improve source material, ensuring that non-4K content is upscaled effectively for the large displays.

Price and Value Proposition

Value is determined by the cost relative to the features offered. The LG 77-Inch Class OLED evo AI is priced at $1699.99. The Samsung 75-Inch Class QLED Q8F 4K is listed at $1795.98. The LG model offers a larger screen size and OLED technology at a lower price point, representing a significant value advantage. Samsung commands a higher price for its 75-inch QLED panel. For budget-conscious buyers seeking maximum screen size and contrast technology, the pricing structure favors the LG option. Neither product lists user review ratings in the provided data, limiting value assessment to hardware specs and cost.

Which One Should You Buy

Choosing between these models depends on specific viewing priorities. If screen size and contrast ratio are paramount, the LG 77-Inch OLED is the logical choice. It offers a larger panel, self-lit pixels for perfect black, and verified glare reduction at a lower cost. If audio immersion and color volume in bright rooms are higher priorities, the Samsung 75-Inch QLED provides documented Dolby Atmos support and quantum dot color technology. Both units offer robust AI processing for upscaling. Ultimately, the LG model provides a stronger hardware value proposition based on the provided specifications and pricing data.