Why Everyone is Buying the S90C OLED (Full Review)

I have spent the last decade chasing the perfect home theater setup. I am the kind of person who spends hours reading subreddits, comparing sub-pixel layouts, and obsessing over nit counts. After years of sticking with traditional LED-backlit LCDs because I was terrified of OLED burn-in and dim screens, I finally decided to make the jump last year. I settled on the Samsung S90C, and after six months of using it as my daily driver for everything from PlayStation 5 marathons to late-night prestige dramas, I finally understand why this specific model has become the "poster child" for the TV enthusiast community. It isn't just about the technology; it's about the value proposition that Samsung managed to hit with this specific release.

The Decision to Go QD-OLED

When I first started looking for a new display, I was torn between the established reliability of LG’s WOLED panels and the new promise of Samsung’s QD-OLED (Quantum Dot OLED) technology. In my experience, traditional OLEDs always felt just a little bit "muted" in bright rooms. I noticed that while the blacks were perfect, the colors sometimes lost their punch when the morning sun hit my living room windows. I’ve been using the S90C in a room with two large south-facing windows, and one thing that immediately struck me was how the Quantum Dots changed the game. Because this panel doesn't use a white sub-pixel to boost brightness—which can sometimes wash out colors—the S90C maintains incredible color saturation even when it's pushing high brightness levels. It was a revelation the first time I fired up a HDR nature documentary; the greens and reds felt physical, almost like I could reach out and touch them.

I found was that the S90C sits in a very strange but welcome "sweet spot." It’s often significantly cheaper than the flagship S95C or the LG G3, yet it uses basically the same underlying panel technology as the high-end stuff. After testing it for several months, I’m convinced that for 95% of people, paying the premium for the "next tier up" is a waste of money. The S90C is doing things I didn't think were possible at this price point.

Picture Quality: What My Eyes Actually Saw

In my experience, the first few minutes with an OLED are always about the blacks. When I watched The Batman for the first time on this set, I was floored. The way Batman emerges from the shadows isn't just a transition of grey to black; it is a transition from absolute nothingness to detail. However, what I really want to talk about is the motion and the HDR "pop." One thing that bothered me with my previous LED set was the "blooming"—that annoying halo around subtitles or bright objects on a dark background. On the S90C, that is non-existent. A single bright star in a space scene is just that: a crystalline point of light surrounded by total ink.

I noticed that the S90C handles HDR highlights with more aggression than the LG C3 I was also considering. When an explosion happens on screen, or when the sun reflects off a car bumper in Gran Turismo 7, I actually find myself squinting slightly. It’s that bright. I was surprised by how much this added to the immersion. It isn’t just "accurate"; it’s visceral. That said, I did have to spend some time in the settings. Out of the box, the "Vivid" mode is an absolute eyesore—it looks like a neon sign. I switched over to "Filmmaker Mode" immediately, which gave me the most accurate colors, though I’ll admit I bumped the "Shadow Detail" setting up by one point because I felt like some of the very darkest textures were being "crushed" into black slightly too aggressively.

Gaming Performance: My Personal Playground

As a gamer, this is where the S90C really won me over. I’ve been using this for 144Hz PC gaming as well as console play. Most TVs cap out at 120Hz, but the S90C supports 144Hz, and while the jump from 120 to 144 isn't massive, it is noticeable when you're playing fast-paced shooters like Call of Duty or Apex Legends. The input lag is virtually non-existent. In my experience, it feels just as responsive as my dedicated gaming monitor, which is a massive achievement for a 65-inch screen.

The Game Bar feature is something I initially thought was a gimmick, but I ended up using it constantly. Being able to see my current framerate and adjust HDR settings on the fly without digging through the main TV menus is a huge quality-of-life win. I also noticed that VRR (Variable Refresh Rate) works flawlessly with my PS5 and PC. I haven't seen a single instance of screen tearing since I bought this TV. One thing that usually bothers me with OLED gaming is "VRR flickering" in dark menus, but on the S90C, it has been remarkably stable. I’ve had to look really hard to find any issues, and even then, they are rare.

The "Lustre" vs. The Realities: My Disappointments

It wouldn't be an honest review if I only praised it. After several months, there are things that definitely annoy me. The biggest one is the Tizen OS. I'll be honest: Samsung's smart TV interface is cluttered and occasionally sluggish. I noticed that clicking the home button sometimes takes a full two seconds to respond, which feels unacceptable on a premium TV. I also hate that the "Connected Devices" menu is buried several scrolls away. I ended up plugging in an Apple TV 4K simply because I couldn't stand the built-in interface anymore.

Another thing that bothered me is the build quality of the stand. While the screen itself is a marvel of thin engineering, the stand is a bit "wobble-prone." If you have kids or active pets running around, you might find the screen shaking more than you'd like. I eventually decided to wall-mount it, which solved the problem and made the ultra-thin profile look even better, but out of the box, the stand feels a bit cheap compared to the weight and price of the display.

Lastly, let’s talk about the remote. It’s solar-powered, which is great for the environment, but it’s tiny and lacking buttons. I constantly find myself wishing for a dedicated "Settings" button or a "Source" button. Instead, I have to navigate through the home screen for almost everything. It’s a design-over-function choice that I don't appreciate in day-to-day use.

Specs at a Glance

To help you understand where this fits in the market, I’ve put together a comparison based on the other sets I was looking at during my research phase. This highlights why the S90C usually comes out on top for value.

What I Learned About Pros and Cons

After half a year of ownership, here is my distilled list of what makes this TV great and where it falls short.

What I Loved (The Pros)

• Epic Color Vibrancy: The Quantum Dot layer makes colors like orange, red, and neon green look significantly more "real" than they do on standard OLEDs. I noticed this most during animated films and sports broadcasts.
• Superior Brightness: This is the first OLED I’ve used where I didn’t feel the need to close the curtains during a bright weekend afternoon. It cuts through glare remarkably well.
• Ultimate Gaming Specs: With four full-bandwidth HDMI 2.1 ports and 144Hz support, this is future-proofed for the next iteration of consoles and high-end GPUs.
Extreme Viewing Angles: I have a sectional sofa, and people sitting at the far ends usually get a washed-out image on LED TVs. On the S90C, the image looks identical no matter where you sit.
• Pure Black Performance: It’s an OLED, so the infinite contrast ratio is the star of the show. It makes every movie look like a cinematic event.

What Frustrated Me (The Cons)

• Tizen OS Interface: As I mentioned, the software is the weakest link. It’s cluttered with ads and "suggested" content that I never asked for and can't easily turn off.
• Lack of Dolby Vision: This is a Samsung staple, but it still hurts. Samsung uses HDR10+, while most streaming services (like Netflix and Disney+) prioritize Dolby Vision. To be fair, the TV is so bright that it still looks amazing, but I know I'm missing out on that last 2% of metadata optimization.
• Uniformity Issues at Low Greys: In very specific dark scenes—like a foggy night—I noticed some very slight vertical banding. It’s usually invisible, but as a perfectionist, I saw it a few times.
• The Remote: It’s too minimalist. Trying to do anything beyond changing volume or channels requires too many clicks.
• Standard Sound Quality: The speakers are "fine," but for a TV this good, they feel thin. I found that I absolutely needed a soundbar to match the scale of the picture.

The Buying Guide: Should You Pull the Trigger?

If you are reading this, you are probably trying to decide if the S90C is worth the investment or if you should go for the cheaper LED options or the more expensive "Gallery" style OLEDs. After using this for several months, here is how I would break down the buying decision.

First, consider your room. If you are in a room with zero light control (like a sunroom), even this bright OLED might struggle. But for any typical living room, this is more than enough. One thing I found was that the anti-reflective coating on the S90C is actually quite good; it turns direct reflections into a sort of purple-hued smudge rather than a sharp mirror-like reflection, which is much less distracting.

Second, think about your content. If you mostly watch cable news or older 720p content, you might actually prefer a Sony OLED, as Sony’s upscaling is slightly cleaner. However, if you watch 4K HDR movies and play video games, the S90C is the clear winner for the price. I noticed that 1080p content looks great on this set, but the real "wow" factor only hits when you feed it a high-quality 4K signal.

Third, don't be afraid of the "Burn-in" boogeyman. I’ve been using this for months, including long sessions with static HUDs in games, and I have seen zero signs of image retention. Modern QD-OLED panels have multiple software safeguards, like pixel shifting and local logo dimming, that effectively mitigate the risk. I am no longer worried about leaving a news channel on for an hour.

Daily Usage Observations

Something I didn't expect to appreciate was the "Ambient Mode." When I'm not watching a movie, I’ve been using it to display modern art or a subtle moving background. Because the blacks are perfect, the art doesn't look like it's on a screen; it looks like a matted frame on the wall. It’s a nice touch that keeps the giant black rectangle from dominating the room when it's off.

I also want to mention the heat. In my experience, some high-brightness TVs can act like space heaters. The S90C gets warm, but I was surprised by how cool it stays during normal operation. Samsung seems to have tuned the power efficiency well here. I also noticed that the TV is incredibly thin—about the thickness of an iPad at the edges—which looks stunning but makes me very nervous whenever I have to move it. If you buy this, make sure you have two people to unbox it. I tried to do it alone and nearly had a heart attack when I felt the panel flex slightly.

Technical Deep-Dive: Why it Outperforms

The "why" behind the S90C's popularity is the QD-OLED structure. In a traditional LG OLED, you have a white organic element and then color filters. These filters "steal" some of the light. In the S90C, Samsung uses blue light as the source, which then passes through a layer of Quantum Dots to create red and green. This is a much more efficient way of creating color. What I found was that this results in "Color Volume"—the ability to show bright colors at high luminance. On my old TV, a bright yellow sun would just turn white at the center. On the S90C, it stays yellow. It’s a small detail that makes a massive difference in how realistic the HDR feels.

After testing for a long time, I also realized that the "Neural Quantum Processor" isn't just marketing fluke. It does a great job of identifying faces and foreground objects and giving them a bit more "pop" and sharpness compared to the background. This creates a sense of depth that almost feels 3D at times. I noticed this particularly in The Last of Us on HBO; the textures of the actors' clothing and the details in the derelict buildings felt incredibly sharp without looking "over-processed" or artificial.

Final Thoughts After Six Months

Looking back on the last few months, I can safely say that the Samsung S90C is the best electronic purchase I’ve made in years. It isn’t perfect—I still groan at the Tizen interface every single day, and I still think the remote is a bit of a disaster—but those are minor gripes when compared to the visual experience. Every time I turn it on and see that deep, infinite contrast and those vibrant Quantum Dot colors, the frustrations melt away.

I started this journey looking for a TV that wouldn't make me compromise between brightness and black levels. What I found was a TV that actually delivered on its promises. It’s the first time in a long time where I don't feel "buyer’s remorse" for not spending more on the flagship model. The S90C gives you 98% of the flagship experience for a fraction of the cost. If you are on the fence, debating whether OLED is worth the jump, or if Samsung’s version of the technology is ready for prime time, let my experience be your guide. For movies, for games, and even for casual daytime viewing, this panel is a masterpiece of modern engineering. I don't see myself upgrading for a very, very long time.