LG UltraGear 45″ OLED Dual Mode Gaming Monitor

LG 45 Inch UltraGear™ OLED 5K2K WUHD 165Hz or WFHD Dual Mode 330Hz 0.03ms G-sync Compatible DisplayPort 2.1 Gaming Monitor
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🗣 Customers Say

User feedback paints a picture of two different experiences: while most praise the LG 45GX950A-B as a "game-changing" monitor with breathtaking visuals, a notable minority reports significant frustration due to quality control issues and disappointing customer support.

Customer Reviews Summary

The monitor’s standout feature is its 45-inch 5K2K (5120×2160) OLED display, which users describe as “absolutely stunning.” With a high pixel density of 125 PPI, it delivers the sharp text and detail that users felt was missing in previous 1440p models. The OLED panel receives high marks for its true blacks, vibrant colors, and excellent contrast, creating a breathtakingly immersive experience.

From a technical standpoint, users appreciate the 165Hz refresh rate in native resolution and the innovative Dual-Mode feature, which allows switching to a lower resolution at 330Hz for competitive gaming. This flexibility is a significant selling point, although some users note that the lower resolution mode can appear blurry. The monitor’s connectivity options, including DisplayPort 2.1, HDMI 2.1, and a USB-C port with 90W power delivery, are also well-received. However, some users have experienced issues with the DisplayPort 2.1 functionality, particularly with HDR enabled, leading to black screens and frustration.

Overall satisfaction with the LG 45GX950A-B is very high among those who received a fully functional unit. Many users have dubbed it their “end-game” monitor, worth the premium price for the unparalleled gaming and viewing experience it offers. However, a notable number of users have reported receiving defective units with issues like dead pixels, vertical lines, or faulty power bricks right out of the box. These quality control issues, compounded by what some describe as “abhorrent” customer support, have soured the experience for a segment of buyers.

✅ What Are the Advantages of This Product?

  • Stunning 5K2K OLED Display: Users consistently praise the monitor’s 5120×2160 resolution and OLED panel, which deliver breathtaking visuals. The combination of high resolution and OLED technology results in incredibly sharp text, vibrant colors, and perfect blacks, creating a truly immersive experience for both gaming and productivity. As one user stated, “The picture quality is a lot better than last year’s model.”
  • Immersive 800R Curve: The aggressive 800R curvature is a highlight for many users, especially gamers. It wraps around the user’s field of view, enhancing immersion and making games feel more engaging. One user noted, “The curve is great for immersion and productivity. Could be excessive IF you sat too far away.”
  • Dual-Mode for High Refresh Rate Gaming: The innovative Dual-Mode feature allows users to switch to a lower resolution to achieve a 330Hz refresh rate, which is a significant advantage for competitive gamers who prioritize speed. This flexibility to choose between high resolution and high refresh rate is a key selling point. A user mentioned, “You can use its dual mode and play your favorite games at 1080p 330 HZ. Pretty sweet either way!”

❌ What Are the Disadvantages of This Product?

  • Quality Control Issues: A significant number of users have reported receiving defective units right out of the box. Common issues include dead pixels, vertical lines on the screen, and faulty power bricks. This has led to frustration and disappointment for many customers who expected a premium product for the price. One user lamented, “Dead on arrival. Will not power on. Tried everything.”
  • Poor Customer Support: Several users have expressed dissatisfaction with LG’s customer support when trying to resolve issues with their defective monitors. Reports of unhelpful support, refusal to provide replacements, and long wait times for repairs or refunds are common. A frustrated user shared, “LG was notified and refused replacement on a new panel. Only offered repair with shipping at my expense.”
  • DisplayPort 2.1 and HDR Issues: Some users have encountered problems with the DisplayPort 2.1 connection, particularly when enabling HDR. This can result in the screen going black or losing signal, forcing users to revert to DisplayPort 1.4 or HDMI. “I have not been able to get HDR to work on DP 2.1,” a user reported, highlighting a key technical issue that has yet to be fully resolved.

🔄 How Has This Product Improved?

Users who have upgraded from previous LG ultrawide models have noted significant improvements in the 45GX950A-B. The most frequently mentioned upgrade is the 5K2K resolution, which provides a much sharper and clearer image compared to the 1440p resolution of older models. One user who upgraded from the 1440p version stated, “This new monitor is a night and day difference for text clarity. It’s very sharp.” Another user who upgraded from the previous 45-inch model said, “Picture quality is a lot better than last year’s model.” The improved pixel density (PPI) is a game-changer for both productivity and gaming, making text more legible and graphics more detailed.

⚖️ How Does This Product Compare to Other Options?

Several users have compared the LG 45GX950A-B to other high-end monitors, particularly those from Samsung and Alienware. One user who switched from a Samsung Neo G9 noted that they “much prefer the experience of using an OLED over mini-LED.” They also found the 21:9 aspect ratio of the LG monitor to be a “fantastic size” compared to the super ultrawide form factor of the Samsung. Another user who had an Alienware OLED monitor was “very happy with this one,” citing the size and resolution as the best features. However, some users who prefer QD-OLED technology, like that found in some Samsung and Alienware models, found the WOLED panel of the LG to be lacking in color vibrancy. One user returned the LG, stating, “Yeah once you see QD-OLED there is no going back to WOLED.”

🎯 Is This Product Right for You?

The LG 45GX950A-B is an ideal monitor for hardcore gamers and content creators who demand the best in visual performance. Its high resolution, fast refresh rate, and immersive curve make it perfect for AAA games, racing sims, and flight simulators. As one user put it, “This is a niche product for the hardcore gamer or content creator.” Professionals who require a large amount of screen real estate for multitasking will also find this monitor to be a productivity powerhouse. However, users who are sensitive to aggressive curves or prioritize color accuracy for professional work might want to consider other options.

🎮 What Are Real Users Saying?

Users have shared detailed accounts of their experiences, highlighting how the monitor performs in specific scenarios. For flight simulation enthusiasts, the monitor is a superior alternative to VR. One student pilot mentioned, “The curved OLED display completely fills my field of view… Unlike with VR, there’s no dizziness, no eye strain, and no blur.” For gamers, the experience is transformative. A Destiny 2 player with over 5,000 hours in the game said, “It’s not just a bigger screen. It feels like the entire battlefield has entered my field of vision.” Another user provided a game-by-game breakdown, noting that in Helldivers 2, the immersion was so intense that “watching a massive Titan get obliterated by an Orbital Railcannon Strike felt terrifying—like the shrapnel might actually hit me.” These real-world accounts emphasize that the monitor’s specs translate into a tangible and powerful user experience.

⚠️ What Are the Most Common Problems?

The most frequently reported problems with the LG 45GX950A-B are related to quality control and technical issues. A significant number of users have received units with dead pixels, vertical lines, or faulty power bricks upon arrival. Another common issue is the DisplayPort 2.1 connection not working correctly with HDR enabled, causing the screen to go black. Some users have also reported a high-frequency sound emitting from the monitor and issues with the monitor not waking from sleep mode.

🔧 How to Fix Common Issues?

For the issue of darkened vertical lines, one user found a solution by running the “OLED Image Cleaning” feature in the monitor’s settings, which almost entirely removed the lines. For the DisplayPort 2.1 and HDR issue, a user discovered a workaround by setting the “Input Compatibility Version” to 1.4 in the monitor’s settings. This allowed them to run at the native resolution and refresh rate with HDR enabled. Another user suggested a more technical fix involving the Custom Resolution Utility (CRU) to correct the HDR luminance values in Windows.

💡 How Can You Get the Best Experience with This Product?

To get the best experience with the LG 45GX950A-B, users recommend a few key things. First, make sure you have a powerful GPU, such as an Nvidia RTX 4080/5080 or AMD Radeon RX 7800 XT or higher, to take full advantage of the 5K2K resolution at high frame rates. Second, take the time to calibrate the display settings to your preference, as the out-of-the-box settings may not be optimal. One user recommended using the Windows HDR calibration tool for the best HDR performance. Finally, for those experiencing technical issues, updating the monitor’s firmware via the LG SWITCH app and your graphics card drivers can resolve many problems.

🏗️ How Durable Is This Product?

While the monitor is primarily made of plastic, users generally find the build quality to be good and not cheap-feeling. The stand is described as “super sturdy and heavy,” providing a solid and wobble-free base. However, there are concerns about the long-term durability due to the number of users who have experienced issues like dead pixels or faulty components shortly after purchase. The risk of OLED burn-in is also a consideration for long-term use, although LG provides a 2-year warranty and features like pixel cleaning to mitigate this.

☎️ Customer Support & Warranty

User experiences with LG’s customer support and warranty have been mixed. While LG offers a 2-year warranty that covers OLED burn-in, several users have reported a frustrating experience when trying to get support for defective units. Common complaints include a refusal to provide replacements, long wait times for repairs, and unhelpful support agents. One user described their experience as “abhorrent,” stating that LG’s support “might leave you high and dry.”

🤔 Is This Product Worth It?

For users who receive a fully functional unit and have the high-end hardware to power it, the LG 45GX950A-B is considered to be worth the premium price. The immersive experience, stunning visuals, and cutting-edge features make it a top-tier monitor for gaming and productivity. As one user put it, “If you can afford it & have a PC that can push 5k2k @ 165hz, it’s absolutely breathtaking!” However, the risk of receiving a defective unit and the potential for a poor customer support experience are significant factors to consider before making such a substantial investment.

❓ FAQ (Frequently Asked Questions)

  • Do I need a high-end GPU for this monitor?
    Yes, to fully utilize the 5K2K resolution at a high refresh rate, a powerful graphics card like an Nvidia RTX 4080/5080 or AMD Radeon RX 7800 XT or higher is recommended.
  • Is the 800R curve too aggressive?
    This is subjective. Most gamers find the curve to be immersive and enjoyable, but some users, particularly those who use the monitor for productivity, find it to be too much.
  • Does this monitor have speakers?
    Yes, it has built-in speakers. Users find them to be serviceable for basic audio needs but not as good as dedicated desktop speakers.
  • What is the warranty on this monitor?
    The LG 45GX950A-B comes with a 2-year warranty that includes coverage for OLED burn-in.
  • Are there any known issues with this monitor?
    Yes, some users have reported quality control issues like dead pixels and faulty components, as well as technical problems with the DisplayPort 2.1 connection and HDR.
Check it out on Amazon

See the latest pricing for LG 45GX950A-B 45-inch Ultragear 5K2K WUHD (5120 x 2160) OLED Curved Gaming Monitor, Dual-Mode, 165Hz, 0.03ms, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDR True Black 400, USB Type-C 90W, DP2.1, Black on Amazon

Overview

Product Page: 45" OLED Gaming Monitor - 45GX950A-B | LG USA
Click on the link above to go to the official product page and get more detailed information about the product.

5K2K UltraGear OLED GX9 : 45GX950A Product Introduction | LG

Customer Reviews

Updated on July 7, 2025

Showing 110 reviews of 175 reviews.

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IzikMay 6, 2025

Poor QC

This monitor was amazing for 4-5 days. Using it for both gaming and productivity, I had no complaints. After not using it at all for 4 days because I had to travel, I came home to a large green line down the left side of the monitor. Google says it’s stuck pixels referred to as the “green line of death.” After attempting to get a replacement, the very unknowledgeable person I spoke with offered me a $50-100 credit and an additional year of warranty if I wanted to keep the monitor (because that would make someone feel better about spending $2000 on a monitor). She could not tell me what the “warranty” covers, but only that she could not provide a replacement; I could only return it and wait for a refund. This is the worst LG purchase I’ve ever made, and I’ve easily made 1-20 over the years.

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B. PearceApril 18, 2025

A nice upgrade from C2 OLED TV

I just upgraded my primary monitor to this “LG 45GX950A-B” (sometimes called “GX9” for short). Previously I was using an LG C2 OLED TV, so I will be comparing against that.

[Text Rendering / Subpixel structure]

The GX9 has a subpixel structure of “RGWB” (red-green-white-blue) which is better for sharp text rendering than most other OLED displays to date (including my C2 TV). This is because much text in major operating systems uses subpixel antialiasing which is normally tuned for an “RGB” subpixel structure. When the physical display panel differs from that, it causes color fringing around text edges. “RGWB” is a very similar layout, just having an extra white subpixel thrown in for additional brightness.

[Refresh Rate / Dual Mode]

Higher refresh rates are always nice, but increases are subject to diminishing returns. At the native resolution of 5120×2160, the maximum refresh rate is 165hz. This is barely distinguishable from 120hz in my opinion, and I am fairly sensitive to refresh rate differences.

To access the 330hz refresh rate capabilities, you must enable one of the “dual mode” options in the monitor’s menu, which allow the panel to be driven at 2560×1080 or 1920×1080 at 330hz using the full panel or smaller sections of the panel. I’ll just say it. Most of the dual mode options look like garbage because only one or two of them use 1:2 integer scaling. For reasons unknown, none of the options allow you to display a 2560×1080 @ 330hz image at native scale (1:1 ratio, e.g. 22.5″ diagonal). Most of the 330hz options are scaled up somewhere between a 1:1 and 1:2 ratio, which makes them look extra-bad. This was a missed opportunity. This is probably something they could change in a firmware update, but I wouldn’t hold my breath for it.

[The Curve]

Curved displays are intended to keep the view distance consistent from one end of the display to the other. I love that aspect. Flat displays by comparison look silly and distorted once you get used to a curved display. The only issue for me is it makes a multi-monitor setup a little tricky because the edges of a large curved display stick in over your desk, so it is difficult to line up with the next monitor.

[Matte Finish]

The GX9 has a matte finish and it looks slightly worse to me than glossy finish my C2 TV had, but with such a curved display it is important to not be too glossy as you don’t want strong reflections on a curved display. This is a good compromise.

[VESA Mounting]

I use an Ergotron HX mount with Standard Pivot for this monitor and it is natively compatible without an adapter like I needed for the C2 TV.

[General Comments]

I’m driving it with HDMI 2.1 from an RTX 4090 and had no issues. 165hz refresh rate works reliably, every time, as long as I don’t bump the HDMI connectors.

The GX9 has 125 PPI (pixels per inch), whereas a traditional desktop monitor is around 100 PPI. As such, desktop scaling of 125% is appropriate, but those with good eyes can use it just fine at 100% scale.

There’s a little quirk with playing Youtube videos in fullscreen mode. Most videos are not as wide as the panel, and Youtube’s player fills in the edges with a gray gradient roughly matching the brightness of the content. Trouble is, the brightness of that gradient is constantly getting tweaked by the video player, and due to the high contrast ratio of this display, even the smallest brightness change in an 8-bit gray color is usually noticeable. The borders beside fullscreen youtube videos therefore tend to have visible banding and brightness changes much of the time.

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ShinjiApril 9, 2025

True 5K2K

5K2K means (5120 x 2160), because 5K alone is (5120 x 2880). The other reviewer was confused thinking it is 5K and also 2K.

AZMarch 30, 2025

Not 5K2K

Not 5K2K. This monitor does not do 2k (3440 x 1440) but rather 2560×1080, which makes that 2k a marketing gimmick and, quite frankly useless feature…

RJApril 15, 2025

LG 45GX950A OLED Monitor – The Ultimate Upgrade After a 5-Year Wait

First Impressions
After waiting for the perfect monitor for over 5 years, the LG 45GX950A has exceeded all expectations. It’s not just a monitor—it’s a full-on experience. This 45” OLED monitor is in a class of its own and is a huge upgrade that was well worth the wait. It’s large and immersive enough to double as a TV.

Performance & Display Quality
Playing games on an OLED panel at 165Hz with this resolution is unprecedented. Text is razor-sharp and extremely legible at 125 PPI. The tiny pixels make individual RGB subpixels invisible even under a magnifying glass. The default brightness is set at 100%, which can be harsh on the eyes, but reducing it to 50% creates a comfortable and rich viewing experience.

Design & Build
The matte finish is an excellent choice, minimizing reflections during daytime use or nighttime movie viewing. Unlike glossy screens with aggressive curves that can reflect the room or even distort the monitor’s own image, the matte surface eliminates internal glare and reflection, which can be problematic on an 800R curve. The monitor also features a stylish, hexagonal customizable LED backlight, and the black rear cover helps minimize ambient light scatter, unlike white back panels.

Features & Functionality
A key improvement over my old LG monitor is the convenience factor. The 45GX950A auto-switches to the active input source—a welcome change from having to switch manually. Also, DisplayPort now carries audio to the internal speakers, which are surprisingly loud and adequate for everyday use.

Gaming Experience
The 21:9 ultrawide aspect ratio is perfect for cinematic content and immersive gameplay. With a 0.03 ms response time and support for up to 165Hz (330Hz with overclocking), this monitor is lightning-fast. The wider field of view is especially ideal for racing sims, flight sims, and open-world titles. If you’ve never gamed on an OLED display, the difference in black depth and contrast will feel almost surreal.

Power Efficiency
Despite its size and capabilities, the monitor uses only 35 watts for non-gaming activity and 40 watts during gaming when HDR brightness is at 50%. That’s incredibly efficient and allows it to run cool even during extended use.

Pros:
1. You will feel very giddy at first – in a good way. The curve feels dramatic but quickly becomes natural and immersive.
2. Blazing speed: 165Hz/330Hz refresh and 0.03 ms response time.
3. Convenience: Auto input switching and DisplayPort audio.
4. Cinematic ultrawide 21:9 ratio with a vertical 2160 resolution.
5. Immersive and ideal for games and movies with deeper blacks.
6. Low power usage and high efficiency.
7. Matte finish eliminates distracting reflections.
8. Customizable backlight with functional design choices like the black rear panel.

Cons:
1. A faint white vertical bar appeared at first, but OLED Image Cleaning resolved it quickly.
2. On the pricey side, though the feature set justifies the cost.
3. Your GPU or CPU may need upgrading to handle the full 5K2K resolution.
4. For uncompressed DisplayPort 2.0/2.1 support, you’ll need an RTX 5000 or RX 7000 series card.

Final Thoughts
If you’re looking for a monitor that blends stunning visuals, fast refresh rates, immersive curvature, and premium build quality—this is it. I didn’t get to see this in person before buying, but after using it for a day, I can confidently say I will be more than 100% satisfied with it for years to come. Highly recommended.

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dtswjjwwApril 6, 2025

broken pixels right out of the box

I received the monitor with a line of broken pixels right out of the box. I contacted customer support expecting an exchange, but was told that they don’t offer exchanges for this issue. Instead, they offered a 10% refund if I keep the defective monitor. Why would anyone want to keep a defective product? This is extremely disappointing. I expected better quality control from LG, and the lack of a proper resolution from customer service only made the experience worse. Pictures of the defect are attached for reference. I hope LG takes this feedback seriously and improves both its product checks and customer service.

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Sid MApril 18, 2025

May be worth it for half the price

Cannot compare to QDOLED, colors off, curve too aggressive, uniformity not up to par, ended up returning and going back to my AW3423DW.

The size difference going back to 34″ after 2 weeks of 45″ is jarring but atleast colors are much much better, and yellows appear true again. Yeah once you see QD-OLED there is no going back to WOLED, I advise any one tempted by this on a QDOLED currently to avoid it unless resolution trumps all. Also shows how much ahead of it’s time the AW3423DW actually was a little over 3 years

Unicr0nApril 30, 2025

Not as great as price tag implies …

This is an awesome looking monitor but I have a few things that make it return worthy:

1. First and MOST important: The monitor itself is emitting a high frequency sound that could result in hearing damage or at least temporary Tinitus over time. If you are sensitive to that sort of thing, stay away from this monitor. The sound seems to be coming more from the left and could be a fan or just a crappy component emitting noise.

2. Speakers in the monitor are terrible, they shouldn’t be there at all.

3. LG Software and driver support isn’t great on monitors and that’s true with this monitor. Especially on MacOS.

4. This monitor plays OK with MacOS, and but again we run into Mac scaling issues. Text is clear and sharp, HDR only works on M1/M2 at lower resolutions or lower refresh rates. You need an M3 to take full advantage of this monitors resolution and HDR with variable frame-rate on MacOS.

5. Media (even 4k) can look grainy because of the high resolution and short distances – it’s ok for media viewing but not as great as hoped.

Lastly, I think I’d rather settle for a smaller QD-OLED which is something LG really should have put in this monitor.

For the money, I expected to love the monitor with little to no compromises that would make me consider returning it.

Shujar1mMay 6, 2025

Worked for 3 hours before the power brick fried

Ordered monitor on April 11 and it came VERY quickly on the Sunday. Monitor worked beautifully with an absolute stunning display…for about 3 hours. I went away from a bit and came back to a monitor that would not turn on. Tried multiple outlets which were verified working. I took a look at the power brick adapter and a pin that should be silver is now black. I’m guessing there was a shortage or electrical discharge within the power brick. I was initially hoping there was no damage to the monitor. I contacted support that Sunday night via Live Chat and it took tooth and nails to convince the agent that it is the power adapter. I was indicated that the power brick would take 7-10 days to arrive. I told them to go ahead even though it is absolutely ridiculous. I called support on Monday and asked them to expedite the shipment and they stated it would be 3-5 days and I should receive a tracking order Monday night or Tuesday morning. I called Tuesday and I got tossed around for about an hour from agent to agent. The final agent for this call stated they had no information or tracking number or any status update on the power brick and that I will just have to wait. I ended up calling one more time but this time, I chose the option to talk with someone from the LG Partner department since that is where I ordered from. This agent, Chris, was excellent. He ended up calling multiple departments, including the Parts department who stated that the brick is on backorder and there is NO ESTIMATE of delivery. So essentially, it is quicker for me to return this monitor and order A NEW ONE than to wait for a power brick. I had to make multiple calls from agents who had no idea what was going on to being told just to wait to finally being told “unknown” estimate wait time for a new brick. ABSOLUTELY unreal!

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Ramez GhabourApril 6, 2025

Inaccurate ship dates, scam charges

I ordered the device 3/19 with a delivery date of 3/21. Get a text saying the ship date is 4/20. They charged my credit card prior to delivering or shipping the item. I did not agree to an advances purchase. I am supposed to be only charged when the item is shipped.

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