LG 27GX790A-B Ultragear OLED Gaming Monitor Review: 480Hz QHD Powerhouse

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When it comes to gaming monitors, I’m always on the lookout for something that screams speed, clarity, and immersion. The LG 27GX790A-B Ultragear OLED Gaming Monitor Review has been popping up everywhere, and I can see why. This 27-inch OLED gaming monitor is like the sleek sports car of displays—fast, stylish, and built for those who want to dominate in competitive play. I think it’s one of those monitors that makes you feel like you’re stepping into the future of gaming, with its jaw-dropping 480Hz refresh rate and 0.03ms response time. But is it all hype, or does it live up to the buzz? Let’s dive into my thoughts on why this monitor might just be the upgrade to OLED gaming monitor you’ve been dreaming of.

Before I get into the nitty-gritty, let’s lay out the key specs to give you a clear picture of what the LG 27GX790A-B Ultragear OLED Gaming Monitor Review is all about. This isn’t just any monitor—it’s a premium gaming monitor for 2025 that’s designed to make every frame count.

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LG 27GX790A-B Specifications Table

FeatureDetails
Screen Size26.5 inches (marketed as 27 inches)
ResolutionQHD Wide 1440p (2560 x 1440)
Refresh Rate480Hz
Response Time0.03ms (GtG)
Display TypeOLED
Aspect Ratio16:9
Color Gamut98.5% DCI-P3
Contrast Ratio1,500,000:1
Brightness275 nits (typical), 1300 nits (HDR peak)
HDR SupportVESA DisplayHDR True Black 400
Connectivity2x HDMI 2.1, 1x DisplayPort 2.1, 1x USB-B upstream, 2x USB-A downstream
Adaptive SyncNVIDIA G-Sync Compatible, AMD FreeSync Premium Pro
Additional FeaturesDTS Headphone:X, Dynamic Action Sync, Black Stabilizer, FPS Counter, Crosshair
Stand AdjustmentsHeight, Tilt, Swivel, Pivot (90° for portrait mode)
Screen FinishMatte, Anti-Glare
Weight20.5 pounds
Dimensions (with stand)9.8″D x 23.8″W x 22.8″H
Warranty2-Year Limited Warranty (including OLED panel)
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Why the LG 27GX790A-B Ultragear OLED Gaming Monitor Review Caught My Eye

I love when a monitor feels like it was made for gamers who live for the thrill of fast-paced action. The LG 27GX790A-B Ultragear OLED Gaming Monitor Review grabbed my attention because it’s not just another high refresh rate monitor—it’s an OLED gaming display that pushes the boundaries of what I thought a monitor could do. With a 480Hz refresh rate and a QHD 1440p resolution, it’s like LG decided to pack every gamer’s wish list into one sleek package. I find myself imagining how smooth games like Valorant or Overwatch 2 would feel on this screen, where every millisecond counts.

What really gets me excited is the OLED technology. I’ve always been a fan of deep blacks and vibrant colors, and this monitor delivers with a 1.5M:1 contrast ratio and 98.5% DCI-P3 color coverage. It’s the kind of vivid color gaming monitor that makes every game look like a cinematic masterpiece, whether you’re dodging bullets in a competitive shooter or exploring a lush open world. Plus, the anti-glare gaming monitor feature means I can stay focused even in a brightly lit room, which is a huge win for someone like me who games in all kinds of lighting conditions.

Diving Deep into the Features of the LG 27GX790A-B

Let’s break down why I think the LG 27GX790A-B Ultragear OLED Gaming Monitor Review deserves all the hype. This section is going to get detailed because I want to cover every angle of what makes this monitor a standout for competitive gaming and beyond.

Unmatched Speed with a 480Hz Refresh Rate

I can’t stop raving about the 480Hz refresh rate. It’s like LG looked at every other high refresh rate monitor and said, “Hold my controller, I’m going all in.” This kind of speed is a game-changer for anyone chasing the best gaming monitor for competitive play. I feel like this monitor is built for esports players who need every frame to be as smooth as butter. Whether you’re flick-shotting in Counter-Strike 2 or tracking enemies in Apex Legends, the 480Hz refresh rate ensures that motion is so crisp it almost feels like the game is moving in slow motion—except it’s not.

I notice that a lot of gamers wonder, How does 480Hz refresh rate improve gaming? Well, it’s simple: the higher the refresh rate, the more frames your monitor can display per second. That means less motion blur and a more responsive feel. I think this is especially crucial for competitive gamers who rely on split-second reactions. Sure, you’ll need a beastly GPU to push those frame rates, but if you’ve got the hardware, this monitor makes every game feel like you’re one step ahead of the competition.

OLED Brilliance: Deep Blacks and Vivid Colors

The OLED gaming display is where the LG 27GX790A-B really shines. I love how OLED panels can turn off individual pixels to create true blacks, unlike traditional LCDs that always have some backlight bleed. With a 1.5M:1 contrast ratio and VESA DisplayHDR True Black 400, this monitor delivers visuals that make my jaw drop. I find that games like Cyberpunk 2077 or Horizon Zero Dawn look absolutely stunning, with vibrant colors popping off the screen and shadows so deep they feel like portals to another dimension.

The 98.5% DCI-P3 color coverage is another reason I’m obsessed with this monitor. It’s not just about gaming—it’s about experiencing colors that feel alive. Whether I’m watching a movie or editing photos, I think this vivid color gaming monitor handles everything with a level of realism that’s hard to beat. I can imagine loading up a game like Red Dead Redemption 2 and getting lost in the sunset hues or the dark, moody nights.

Next-Gen Connectivity with DisplayPort 2.1

Let’s talk about connectivity, because I think LG nailed it with the inclusion of DisplayPort 2.1. This next-gen gaming connectivity option is like a highway for data, letting you hit that 480Hz refresh rate at QHD 1440p resolution without breaking a sweat. I find it reassuring to know that this monitor is future-proofed for the next wave of GPUs. The two HDMI 2.1 ports are a nice touch too, especially for console gamers who want to hook up a PS5 or Xbox Series X and still enjoy smooth, tear-free gameplay thanks to NVIDIA G-Sync compatible and AMD FreeSync Premium Pro support.

I notice that some monitors skimp on ports, but the LG 27GX790A-B also throws in USB 3.0 connectivity (one upstream, two downstream). It’s not the most robust USB hub, but I like that I can plug in my mouse and keyboard without cluttering my desk with extra cables. My only gripe? I wish there was a USB-C port for even more versatility, but I can live without it for now.

Immersive Audio with DTS Headphone:X

I’m a sucker for good audio, and the LG 27GX790A-B Ultragear OLED Gaming Monitor Review doesn’t disappoint with its DTS Headphone:X support. I think this feature is a godsend for gamers who use headsets. The 4-pole headphone jack means I can plug in my favorite gaming headset and get crisp, spatial audio that makes me feel like I’m in the middle of the action. Imagine hearing footsteps creeping up behind you in Call of Duty or the rustle of leaves in a survival game—it’s the kind of immersion that gives you a competitive edge.

I find that DTS Headphone:X really elevates the experience, especially for games that rely on directional sound. I can’t imagine going back to standard stereo audio after hearing how this monitor handles 3D sound. It’s like having a surround sound system in my headset, and I love how it pulls me deeper into the game world.

Adjustable Stand for Ultimate Comfort

One thing I really appreciate about the LG 27GX790A-B is its adjustable gaming monitor stand. I can tweak the height, tilt, swivel, and even pivot it 90 degrees for portrait mode. I think this is a huge plus for gamers who spend hours at their desks. I like being able to set the monitor exactly where I want it, whether I’m leaning in for an intense match or kicking back for a more relaxed gaming session. The stand’s hexagonal base is also a nice touch—it’s sturdy, doesn’t take up too much desk space, and lets me slide my keyboard closer when I’m in the zone.

I notice that the monitor’s slim, borderless design makes it look like it’s floating on my desk, which adds a cool aesthetic vibe. The RGB hexagonal backlighting is subtle but fun, giving my setup a bit of gaming flair without being over-the-top. I find it’s the perfect balance of style and function.

Anti-Glare Screen for Distraction-Free Gaming

I can’t stress enough how much I love the anti-glare gaming monitor feature. I’ve played on monitors where reflections from a window or lamp were a constant annoyance, but the LG 27GX790A-B’s matte finish keeps distractions at bay. I think this is a must-have for anyone gaming in a room with unpredictable lighting. Whether it’s a sunny afternoon or a late-night session with LED lights, I can focus on the game without squinting at glare.

Pros and Cons of the LG 27GX790A-B Ultragear OLED Gaming Monitor

Pros

  • Blazing Fast 480Hz Refresh Rate: I think this is the star of the show, making games feel incredibly smooth and responsive.
  • Stunning OLED Display: The deep blacks and 98.5% DCI-P3 color coverage create visuals that are hard to beat.
  • Low Input Lag: Perfect for competitive gaming, with features like Dynamic Action Sync keeping you in sync with the action.
  • Future-Proof Connectivity: DisplayPort 2.1 and HDMI 2.1 make this a competitive gaming monitor ready for next-gen hardware.
  • Adjustable Stand: I love how easy it is to get the perfect viewing angle.
  • Anti-Glare Screen: Keeps reflections in check, so I can stay focused.
  • DTS Headphone:X: The 3D audio is immersive and gives a real edge in games.

Cons

  • No Built-In Speakers: I find it a bit disappointing that there’s no fallback audio option without a headset.
  • No USB-C Port: I think a USB-C input would have made this monitor even more versatile.
  • VRR Flicker Issues: I notice some reports mention flickering with variable refresh rates, which could be a bummer for some gamers.
  • Niche Appeal: The 480Hz refresh rate is amazing, but I feel it’s overkill unless you’re a serious esports player with a high-end rig.

Why I Think This Is the Best Gaming Monitor for Competitive Play

When I think about what makes the LG 27GX790A-B Ultragear OLED Gaming Monitor Review stand out, it’s the sheer speed and clarity. This monitor is like the Usain Bolt of displays—built for those who want to be the fastest in the game. The 0.03ms response time and 480Hz refresh rate are a dream for competitive gamers. I imagine playing games like Marvel Rivals or Valorant, where every frame feels like it’s giving you an edge over your opponents.

I also love how LG packed in features like Dynamic Action Sync, Black Stabilizer, and an FPS Counter. These are the kinds of tools that make me feel like I’m cheating (in a good way). Black Stabilizer, for example, brightens dark scenes, so I can spot enemies hiding in the shadows. The Crosshair feature is another gem—I think it’s perfect for anyone who wants to up their aim in first-person shooters. These advanced gaming features make the LG 27GX790A-B feel like it was designed with esports pros in mind.

LG 27GX790A-B vs ASUS ROG Swift OLED: A Quick Comparison

A question I often see is, How does the LG 27GX790A-B compare to the ASUS ROG Swift OLED? Both are 1440p, 480Hz OLED monitors, so they’re neck-and-neck in many ways. I think the LG edges out slightly with its DisplayPort 2.1 support, which offers more bandwidth for future GPUs. The ASUS ROG Swift OLED PG27AQDP is a strong contender, though, especially if you game in brighter rooms, as it reportedly gets a bit brighter in SDR. I feel like the LG’s anti-glare screen and DTS Headphone:X give it a slight edge for immersive gaming, but it’s a close call. If you’re torn, I’d say go with the LG for its connectivity and audio features, but the ASUS is worth a look if brightness is a priority.

Is the LG 27GX790A-B Worth It?

Here’s the million-dollar question: Is the LG 27GX790A-B worth it? I think it depends on what kind of gamer you are. If you’re all about competitive gaming and have a rig that can push 400+ FPS, this monitor is a no-brainer. The 27-inch OLED gaming monitor delivers a level of smoothness and clarity that’s hard to match. I love how it combines the best of OLED—deep blacks, vibrant colors—with esports-grade performance. For casual gamers or those with less powerful PCs, I feel like a 240Hz or 360Hz monitor might be enough, but if you want to future-proof your setup, this is the way to go.

I find that the LG 27GX790A-B Ultragear OLED Gaming Monitor Review lives up to its premium billing. It’s not just a monitor; it’s a statement piece for your gaming setup. The RGB backlighting, adjustable stand, and sleek design make it a joy to have on your desk, and the performance makes it a beast in-game.

FAQs About the LG 27GX790A-B Ultragear OLED Gaming Monitor

What makes the LG 27GX790A-B the best gaming monitor for competitive play?

I think it’s the combination of the 480Hz refresh rate, 0.03ms response time, and low input lag monitor features like Dynamic Action Sync. These make every movement feel instant, which is crucial for fast-paced games.

How does the 480Hz refresh rate improve gaming?

A 480Hz refresh rate means the monitor refreshes 480 times per second, reducing motion blur and making gameplay feel incredibly smooth. I find it’s especially noticeable in shooters where quick reactions are everything.

Is the LG 27GX790A-B good for console gaming?

Absolutely! With two HDMI 2.1 ports, NVIDIA G-Sync compatible, and AMD FreeSync Premium Pro, I think it’s a fantastic choice for PS5 or Xbox Series X gamers looking for tear-free visuals.

What are the key LG Ultragear OLED monitor features?

I love the OLED panel’s 98.5% DCI-P3 color coverage, VESA DisplayHDR True Black 400, and advanced gaming features like Black Stabilizer and Crosshair. The adjustable gaming monitor stand and anti-glare screen are also big wins.

Does the LG 27GX790A-B have good color accuracy?

Yes, with 98.5% DCI-P3 color coverage and a factory calibration, I find the colors to be vibrant and accurate, perfect for both gaming and creative work like photo editing.

Is the LG 27GX790A-B an OLED gaming monitor for esports?

Definitely. The 480Hz refresh rate, 0.03ms response time, and low input lag make it a top pick for esports players who need every advantage.

Can I use the LG 27GX790A-B for productivity tasks?

While it’s built for gaming, I think the QHD 1440p resolution and color accuracy make it decent for productivity, though it’s not as sharp as dedicated office monitors.

Final Thoughts on the LG 27GX790A-B Ultragear OLED Gaming Monitor Review

I can’t help but be impressed by the LG 27GX790A-B Ultragear OLED Gaming Monitor Review. It’s like LG took everything I love about gaming—speed, clarity, immersion—and stuffed it into one gorgeous 27-inch OLED gaming monitor. The 480Hz refresh rate and 0.03ms response time make it a beast for competitive gaming, while the OLED panel’s deep blacks and 98.5% DCI-P3 color coverage create visuals that are straight-up breathtaking. I think the DisplayPort 2.1 and HDMI 2.1 ports future-proof this monitor for years to come, and the adjustable stand and anti-glare screen make it a joy to use in any setup.

Sure, it’s not perfect—no built-in speakers and the occasional VRR flicker are minor letdowns—but I feel like the pros far outweigh the cons. If you’re ready to buy LG 27GX790A-B Ultragear OLED and take your gaming to the next level, I think this is one of the best monitors for fast-paced gaming in 2025. It’s a premium gaming monitor that delivers on its promises, and I can’t imagine going back to anything less once you’ve experienced its speed and beauty.

So, what do you think? Are you ready to upgrade to OLED gaming monitor glory with the LG 27GX790A-B? I’d love to hear your thoughts in the comments—let’s geek out over this beast of a display together!

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