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)
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AI Verdict
This 77-inch 4K OLED TV with a 120Hz native refresh rate and Alpha 9 Gen8 AI processor is for home theater enthusiasts and PC gamers seeking premium visuals and features.
This 77-inch OLED TV is a strong fit for users demanding top-tier picture quality, especially perfect blacks and vibrant colors, alongside advanced gaming features like 120Hz native refresh with 144Hz VRR and four HDMI 2.1 ports. Its Alpha 9 Gen8 AI processor enhances both visuals and audio, making it suitable for a premium home entertainment experience.
If 77 inches is too large or you need even higher refresh rates for competitive PC gaming, consider smaller OLED sizes or dedicated gaming monitors with 240Hz+ panels.
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Pros
- The 77-inch OLED panel delivers perfect black and perfect color with 8.3 million self-lit pixels.
- Features a 120Hz native refresh rate with VRR up to 144Hz for PC gaming, plus NVIDIA G-Sync and AMD FreeSync Premium support.
- Brightness Booster technology and UL verification for Discomfort Glare Free (UGR less than 22) allow for viewing in brightly lit rooms.
- The Alpha 9 AI Processor Gen8 provides AI Super Upscaling 4K and personalized picture/sound adjustments.
- Includes four HDMI 2.1 ports, offering high bandwidth for modern gaming consoles and PCs.
- Supports Dolby Vision, Dolby Atmos, and Filmmaker Mode for an immersive cinematic experience.
Cons
- Some users report the WebOS menu can be laggy and less customizable beyond suppressing ads.
- The remote has been described as worse than previous LG remotes, with issues like long-pressing home for input and forgetting device settings.
- Occasional temporary image retention has been observed, particularly when pushing brightness in SDR or HDR.
- Color brightness issues in game mode, where colors can appear lost or turn white when displaying bright hues.
- The power cord is not removable.
Dimension Scores
The OLED panel with 8.3 million self-lit pixels delivers perfect blacks, vibrant colors, Brightness Booster, and supports Dolby Vision.
It includes Dolby Atmos and Wow Orchestra, with built-in speakers delivering clear dialogue and decent bass, though external audio is often preferred.
Powered by the Alpha 9 AI Processor Gen8 and webOS 25, it offers multiple voice assistants, Google Cast, and a generally snappy interface.
The 77-inch screen provides an immersive viewing experience, complemented by four HDMI 2.1 ports, USB, Ethernet, Bluetooth, and Wi-Fi connectivity.
Best For
- Dedicated home theater setups where deep blacks and vibrant colors are prioritized.
- Competitive PC gamers needing 144Hz VRR, G-Sync, and FreeSync with low input lag.
- Viewers in bright rooms who need a display with strong glare resistance.
- Film enthusiasts who value Dolby Vision, Dolby Atmos, and Filmmaker Mode for content accuracy.
Not Recommended For
- Budget-conscious buyers, given its premium price band.
- Users who prioritize extreme peak brightness over perfect blacks (e.g., some QD-OLED alternatives).
- Those expecting significant upgrades if coming from a recent LG C4 OLED, as some feel it's a minor iteration.
Watch Out For
- The wireless connection occasionally fails to turn on without manual network re-entry.
- Inputs may reset their names, even after manual configuration, sometimes to incorrect devices.
- Disabling voice control notifications requires agreeing to AI functions first, then disabling them, then un-agreeing.
- Some users experience a green tint when viewing the screen slightly off-angle.
- Out-of-the-box picture settings can result in washed-out faces and jittery, pixelated motion, requiring customization.
Full Specifications
| ASIN | B0DYQFW6TR |
| Brand | LG |
| Voltage | 120 Volts |
| Batteries | 2 AAA batteries required. |
| Brand Name | LG |
| Color Name | Black |
| Resolution | 4K |
| Item Weight | 59.7 Pounds |
| Screen Size | 77 Inches |
| Aspect Ratio | 16:9 |
| Refresh Rate | 120 Hz |
| Special Feature | Amd freesync, Built-In Speaker, Google Cast built-in, Multiple Voice Assistance, Nvidia G Sync |
| Special Features | Amd freesync, Built-In Speaker, Google Cast built-in, Multiple Voice Assistance, Nvidia G Sync |
| Item model number | OLED77C5PUA.AUSZ |
| Display Technology | OLED |
| Product Dimensions | 10.5 x 67.4 x 40.7 inches |
| Included Components | Power Cable, Remote Control, Stand, User Manual |
| Connectivity Technology | Bluetooth, Ethernet, HDMI, USB, Wi-Fi |
| Standing screen display size | 77 Inches |
What Buyers Say
Many users are genuinely impressed with the picture quality, describing it as phenomenal with deep blacks and razor-sharp clarity, even noting that average content looks elevated. Gaming performance is frequently highlighted as sublime, with the high refresh rate making a noticeable difference. However, some users have reported frustrating software quirks, such as the wireless connection occasionally needing manual re-entry and input names resetting. The WebOS menu, while generally snappy, has been criticized for being less customizable and sometimes laggy.
“Dude, this C5 is insane, the picture just pops, like, everything looks so real, but seriously, the remote is kinda clunky and sometimes the Wi-Fi just decides to bail on me, which is annoying when I'm trying to stream.”
Common Praise
- Picture quality is phenomenal with deep, true blacks and razor-sharp clarity.
- Gaming is sublime, working great with consoles and offering a high refresh rate.
- Menus are snappy with a smooth user interface.
- Image quality remains consistent across wide viewing angles.
- SDR and HDR brightness are very good, making it suitable for well-lit rooms and making highlights pop.
- Excellent upscaling capabilities make low-resolution content look good.
Common Complaints
- Wireless connection occasionally won't activate without manually re-entering network settings.
- The WebOS menu can be incredibly laggy at times.
- Input names frequently reset, even after manual configuration.
- The smart remote sometimes forgets device settings and requires resetting.
- Notifications about voice controls are difficult to disable, requiring a specific agree-disable-unagree sequence.
- Temporary image retention occurs more often than with previous models, especially when pushing brightness.
Ownership Tips
- The power cord is not removable.
- The stand design is less premium than older models, lacking the heavy U-shaped stand.
- Out-of-the-box picture settings often require significant adjustment to avoid washed-out colors and motion artifacts.
- There is no analog video input, so older consoles like a Wii U or Xbox 360 will need adapters.
- The TV can exhibit a green tint when viewed slightly off-axis.
Frequently Asked Questions
Does the LG C5 support 144Hz refresh rates?
Yes, the LG C5 has a native 120Hz refresh rate and supports Variable Refresh Rate (VRR) up to 144Hz specifically for PC gaming.
How many HDMI 2.1 ports does this TV have?
The LG C5 is equipped with four HDMI 2.1 ports, which are essential for connecting modern gaming consoles and PCs to utilize features like 4K at 120Hz/144Hz and VRR.
Is the LG C5 suitable for bright rooms?
Yes, the C5 features Brightness Booster technology and is verified by UL for Discomfort Glare Free (UGR less than 22), meaning it performs well in well-lit environments.
Does the C5 have G-Sync and FreeSync support?
Yes, the LG C5 offers ultimate gaming features including NVIDIA G-Sync and AMD FreeSync Premium for tear-free gaming.
What smart TV platform does the LG C5 use?
It runs on the LG webOS 25 platform, which includes next-generation AI technology for streaming and smart features, along with built-in Google Cast and Alexa.
Buying Guide
When looking at a TV like this, you need to understand that OLED means every single pixel lights itself up or turns completely off, giving you truly perfect blacks and infinite contrast. The refresh rate tells you how many times the screen updates per second, which is crucial for smooth motion in games or fast-paced movies. AI processing isn't just a buzzword here; it actively works to make everything you watch, even older content, look sharper and more vibrant.
OLED Panel
Unlike traditional LED TVs that use a backlight, OLED pixels generate their own light. This means when a pixel needs to be black, it's completely off, resulting in 'perfect black' and incredible contrast that makes colors truly stand out.
120Hz Native Refresh Rate (144Hz VRR)
This indicates how many times the screen can draw a new image per second. A 120Hz native rate means smoother motion for everything, and the 144Hz Variable Refresh Rate (VRR) for PC gaming ensures your game's frame rate syncs perfectly with the TV, eliminating screen tearing.
Alpha 9 AI Processor Gen8
This is the 'brain' of the TV. It uses artificial intelligence to analyze and optimize picture and sound in real-time, upscaling lower-resolution content to near 4K and adjusting settings for the best viewing experience based on what you're watching.
Dolby Vision & Dolby Atmos
These are advanced audio and video formats. Dolby Vision enhances picture quality with extraordinary color, contrast, and brightness, while Dolby Atmos creates immersive, three-dimensional sound that feels like it's coming from all around you.
Alternatives
If you need even higher peak brightness for rooms with direct sunlight, look for TVs with QD-OLED panels. If you prioritize a lower price point over the absolute best picture quality, consider a high-end QLED or Mini-LED TV with a 120Hz refresh rate.
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