You’re standing in the middle of a Best Buy or scrolling through endless Amazon listings, and that 75 inch LG smart tv looks like a literal window into another dimension. It’s massive. It’s shiny. It also might be a total waste of your money if you pick the wrong panel technology.
Honestly, most people just look at the price tag and the screen size. They see "4K" and "LG" and assume it’s all the same. It isn't.
LG basically runs the display world, but they sell two completely different types of "brains" inside these big screens. If you get a 75-inch NanoCell when you actually needed an OLED—or vice versa—you're going to notice it every single time the lights go down for movie night. A 75-inch screen is huge. It’s roughly 2,500 square inches of glass. At that scale, every single flaw in the backlight or the color processing gets magnified. You can't hide a bad picture on a screen this big.
The Panel Lottery: Why IPS vs. VA Actually Matters
Most of LG's non-OLED 75-inch sets use IPS (In-Plane Switching) panels.
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If you have a wide living room with a sectional sofa where people are sitting off to the side, IPS is your best friend. The colors don't wash out. You can sit 45 degrees to the left and the grass in the football game still looks green, not some weird shade of lime. But there’s a massive trade-off that people often miss until they get the TV home. IPS panels struggle with "blacks." In a dark room, a black scene in The Batman looks more like a cloudy charcoal gray.
Contrast is the soul of picture quality.
If you’re a basement cinema person, you might actually prefer a VA panel, which LG rarely uses in this size except for specific QNED models. But let's be real: if you're buying an LG, you're usually buying it for the wide viewing angles or you're stepping up to the king of TVs: the OLED.
Wait.
There is a catch. LG doesn't actually make a "75-inch" OLED. They make a 77-inch. That two-inch difference sounds small, but in the world of manufacturing, it's a completely different class of product. If you are strictly looking for a "75-inch" branded model, you are looking at their QNED or NanoCell lines.
webOS 24 and the "Smart" in 75 inch LG Smart TV
The software is where LG wins or loses the room. Their webOS platform has changed a lot lately. It used to be a simple row of "blades" at the bottom of the screen. Now? It’s a full-screen hub. It’s busy. Some people hate the ads, and honestly, they can be annoying.
But the Magic Remote is the secret sauce.
It works like a Nintendo Wii pointer. You just shake the remote and a cursor appears on the screen. For typing in long Wi-Fi passwords or searching for "obscure 80s horror" on Netflix, it’s objectively faster than clicking a D-pad 40 times.
Recent updates to webOS have introduced "User Profiles." This is actually useful if you have kids. You don’t want your YouTube recommendations filled with Blippi when you’re trying to find a documentary on quantum physics. The TV learns who is watching and shifts the home screen accordingly. It’s smart, but it’s also a bit of a data vacuum. If you’re privacy-conscious, you’ll want to spend twenty minutes in the settings menu turning off the "Interest-based advertisement" toggles.
Gaming on a Massive Scale
If you’re a gamer, a 75 inch LG smart tv is basically a cheat code, provided you get one with an α7 or α9 Gen 7 AI Processor.
Why? HDMI 2.1.
Not all HDMI ports are created equal. On the cheaper 75-inch LG models (like the UQ or UR series), you’re often stuck with 60Hz refresh rates. That’s fine for Netflix. It’s terrible for a PS5 or Xbox Series X. You want the models that support 4K at 120Hz. When you play a game like Call of Duty or Spider-Man 2 at 120 frames per second on a 75-inch screen, the fluid motion is almost dizzying.
LG’s "Game Optimizer" menu is also the best in the business. It gives you a heads-up display that shows your actual frame rate and toggles VRR (Variable Refresh Rate) without making you dive into five layers of system settings.
- Input Lag: LG consistently hits under 10ms in game mode.
- G-Sync/FreeSync: Most mid-to-high end LG 75-inch sets support these, which stops the screen from "tearing" during fast movement.
- Scale: At 75 inches, you actually get a sense of peripheral vision in racing games.
The QNED Paradox: Is it Better than OLED?
LG’s QNED technology is their attempt to bridge the gap. It stands for Quantum Nano-Emitting Diode. Basically, they took their NanoCell tech and added Quantum Dots (the stuff Samsung uses).
The result is a screen that is incredibly bright.
OLEDs are beautiful, but they can struggle in a room with five windows and direct sunlight. A 75-inch QNED90 or QNED85 can blast through glare like a spotlight. If your TV is going in a bright living room where you watch the news or daytime sports, the QNED is actually a smarter purchase than an expensive OLED. You get those punchy, vivid colors without worrying about reflections or "burn-in"—though burn-in is mostly a ghost story these days anyway.
However, keep an eye on "blooming." On a screen this large, if there is a bright white logo on a black background, you might see a "halo" or glow around it. This is because the backlight zones are trying to illuminate the white text while keeping the surrounding area black. It’s a physical limitation of LED tech.
Sound Quality: Don't Trust the Box
Here is a blunt truth: the speakers on a 75-inch LG TV are... fine. Just fine.
Manufacturers have made these TVs so thin that there is literally no physical room for a decent speaker driver. You have a massive, cinematic 75-inch image being paired with tiny, tinny speakers that fire downward. It’s a mismatch. LG tries to fix this with "AI Sound Pro," which uses software to virtualize a 9.1.2 surround sound experience.
It’s mostly marketing fluff.
If you’re spending over a thousand dollars on a 75-inch screen, budget at least another $300 for a soundbar. LG’s "Wow Orchestra" feature allows the TV speakers and an LG soundbar to work together simultaneously. It’s a neat trick that makes the soundstage feel taller, like the voices are actually coming from the actors' mouths rather than the bottom of the frame.
Real-World Dimensions and Setup
Let's talk logistics because this is where people get stuck.
A 75-inch TV is roughly 65 inches wide. If you’re putting it on a stand, make sure your furniture is wide enough. LG often uses "v-shaped" feet at the ends of the TV rather than a center pedestal. I've seen people buy these TVs only to realize their current TV stand is two inches too short, leading to a very stressful Friday night.
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Wall mounting? Get a helper. A 75-inch LG can weigh anywhere from 60 to 90 pounds. You need to hit studs in the wall. Do not, under any circumstances, try to use drywall anchors for a screen this size. You’re asking for a very expensive disaster.
Also, consider your viewing distance. The "Society of Motion Picture and Television Engineers" (SMPTE) suggests sitting about 7 to 10 feet away for a 75-inch 4K screen. If you're closer than 5 feet, you might start seeing individual pixels. If you're further than 15 feet, you might as well have bought a 65-inch and saved the cash.
How to Check the Model Numbers
LG's naming convention is a mess. Here is the "cheat sheet" to know what you’re actually buying:
- OLED: (Usually 77", not 75") The best contrast. Perfect blacks.
- QNED: High-end LED. Great for bright rooms. Uses Quantum Dots.
- NanoCell: Mid-range. Better colors than standard LED, but mediocre contrast.
- UR/UQ/UT Series: Entry-level. These are budget-friendly but lack the high-end processors and 120Hz screens.
If the model number starts with "75QNED," you’re getting a solid, upper-mid-range experience. If it’s "75UR," you’re getting a basic big screen that’s great for the kids' playroom but maybe not for your dedicated home theater.
Actionable Steps for the Best Experience
Don't just plug it in and leave it on "Vivid" mode. Vivid mode is a crime against cinematography. It turns everyone’s skin orange and blows out the highlights.
First, switch the picture mode to "Filmmaker Mode" or "ISF Expert Bright Room." This disables all the "soap opera effect" motion smoothing and sets the color temperature to what the director actually intended.
Second, go into the "General" settings and turn off "Eco Mode" or "Energy Saving." These settings aggressively dim the backlight to save a few pennies a year on electricity, but they effectively kill the HDR (High Dynamic Range) performance of your new TV. You bought a big, bright screen—let it be big and bright.
Finally, check your cables. If you’re using an old HDMI cable from 2015, you might not be getting the full 4K HDR signal. Look for "Ultra High Speed" cables labeled for 48Gbps.
A 75 inch LG smart tv is a massive investment in your home entertainment. If you prioritize the panel type (QNED for brightness, OLED for dark rooms) and take ten minutes to calibrate the settings, it’ll be the best seat in the house for a decade. Just measure your stand twice. Seriously.
Professional Checklist for New Owners
- Disable "TruMotion": Unless you like movies looking like a daytime soap opera.
- Update the Firmware: LG pushes frequent updates for webOS that improve app stability.
- Check for Backlight Bleed: Put on a completely black screen in a dark room. If there are massive white blotches in the corners, exchange it. A little is normal for IPS; a lot is a defect.
- Sync the Remote: Ensure the "Magic Remote" pointer is calibrated by pointing it at the center of the screen and shaking it gently.
- Plan the Audio: If you aren't using a soundbar, at least go into the "Sound" menu and run the "AI Acoustic Tuning" which uses the remote’s mic to calibrate the speakers to your room’s dimensions.