LG 45GX90SA-B UltraGear 45″ WQHD (3440×1440) Curved Smart OLED Gaming Monitor with webOS, 240 Hz, 0.03 ms, NVIDIA G-SYNC Compatible, DisplayHDR True Black 400, Headphone, USB-C

Initially received the monitor with severe panel artifacts (second time experiencing this with LG). Almost returned it again, but Pixel Cleaning in the monitor settings fixed it completely. Works great now, but be aware of this issue before buying. For a premium LG monitor, it shouldn’t be like this out of the box.

The title image and description is not what it says. This is 2K not 5K its 3440 and its totally misleading.

This is NOT the 5k2k version of this monitor, like the images and description suggests. It is the older 1440p version. The model number is the only thing that is correct in the description and again matches the older model NOT the 5k2k version.

It sais 45GX950SA-B in the product detail and on the picture it shows 5k but it's not the 5K model.

This monitor is freaking awesome! If you’ve seen the first Incredibles where Mr. Incredible sneaks into Syndrome’s Computer? This monitor feels like that. A Goliath monitor. It’s insanely spacious. The 5K2K resolution is beautiful. Colors are beautiful, bright, and accurate on that OLED display. It’s expensive, but worth it. I use the USB-C cable for my Mac, and the DisplayPort for my PC. All working seamlessly. This is definitely the monitor to get. Insanely smooth too with the high refresh rate.

I see a few people saying this monitor looks washed out or faded out of the box but that’s just LG playing it safe for VESA compliance. It’s calibrated to pass certification, not to wow you. Here’s what you need to do the moment you unbox it for HDR On the hardware side (monitor settings) Gamer 1 profile Change Black Stabilizer to 25-30. The default is 50, and it makes everything look flat and hazy. Set Brightness to 100 and Peak Brightness to High. Sharpness : 50 Run the Windows HDR Calibration Tool. Minimum Luminance :0 Max luminance :1260 Full Frame Luminance: 270 (Optional): Run a manual screen refresh once if you notice banding out of the box. If you want more visual punch, switch to Gamer 2. but personally, I find it too oversaturated. Gamer 1, with the tweaks above, gives you clean contrast, natural skin tones, and sharp text clarity without sacrificing realism. After calibration, this panel looks stunning. The 800R curve is immersive... sit about 31 inches (80 cm) away for the best experience. Too close = eye strain, too far = immersion breaks. I came from a Samsung G9 OLED, and at first this didn’t look as punchy. But once I made these changes? It won me over. And unlike my G9, which failed just after the warranty expired, I feel much more confident with LG’s build. If you’re hesitant or waiting for Black Friday I got mine on Prime Day, and I have zero regrets.

First off, the curve is VERY aggressive! However, once you sit in front of it, it's nowhere near as bad as you may think. I have yet to try this on PC; it works mostly great on console. You do have to tweak some annoying settings to get it to register HDR and may have to manually adjust the picture quality but it is very worth it! You can either have the image stretched or cut it down to 16:9. I personally recommened the stretched ratio since it doesn't look as terrible as one might think. In some game, however, it is very noticable and should be switched to 16:9 instead of 21:9. The colors and brightness are beautiful, especially in dark rooms. The high refresh rate makes gameplay look simply stunning and easily worth the discounted price. While the original price is crazy, the cut down price makes this monitor a MUST if you want to get into wide screen monitors! The response time feels practically instant compared to other monitors I've used. The height can also be adjusted to very high or average, which helps a lot. Overall, I give this monitor a 9/10; one point is taken off due to the original full price. But if that doesn't bother you, go for it! 2026 Update: Still an amazing monitor! Again, the price is pretty difficult but it is most definitely worth it!

This is the best OLED monitor available right now. The width, resolution, and curve combine to make it incredibly immersive. I'm a sysadmin and network engineer and this monitor can have so many SSH sessions open at once. Refresh rate at full resolution is 165 with G-sync which is pretty good as it is hard to run most modern games faster at 5k2k. The integrated speakers are very good and become my primary ones. They get incredibly loud and I have them set to 50% max in the monitor config.

This monitor is incredible, the image quality and detail are amazing. At first I had vertical lines on the screen but I did the recommended settings another reviewer posted here and ran the builtin image clean on the monitor and the monitor display was on a whole new level. It will blow your mind when it’s setup right.