LG UltraGear 45GX900A-B 45" Black 2026

The LG UltraGear 45GX900A-B is a colossal 45-inch OLED gaming monitor with a wild 800R curve and blistering 240Hz speed. Color and contrast are among the best we've seen, but the low PPI means text isn't crisp. It's an awesome pure-gaming screen if you get it for a good price, but avoid paying the inflated top end.

The LG UltraGear 45GX900A-B is a bold statement. It's a massive 45-inch curved OLED that prioritizes sheer immersion over pixel-perfect clarity. If you want a display that wraps around you and makes every game feel like an IMAX experience, this thing delivers in spades. The 800R curve is aggressive, but it pulls you deep into the action, and the 240Hz refresh rate with 0.03ms response time keeps motion ridiculously smooth.

We've seen our share of big screens, but this one stands out for its contrast and HDR punch. Peak brightness hits 1300 nits in small highlights, and the 98.5% DCI-P3 color coverage means games look vibrant without feeling oversaturated. Just know that 1440p stretched across 45 inches isn't the sharpest for desktop work. Text clarity takes a hit, and you'll notice it if you read a lot. For gaming, though, it's an absolute beast.

Speed-wise, this monitor is among the best we've tested. At 240Hz with OLED response times, motion blur is virtually non-existent. FreeSync Premium Pro and G-Sync compatibility both work flawlessly, so you get tear-free gameplay on AMD and NVIDIA cards. The 3440x1440 resolution at this size means pixel density sits around 84 PPI, similar to a 27-inch 1080p screen. It's fine for gaming but can make text look soft. HDR content shines with those deep OLED blacks and 1300-nit peaks, though DisplayHDR True Black 400 certification doesn't tell the full story, highlights are genuinely striking. Input lag is imperceptible, and the panel handles fast-paced shooters without a hint of ghosting.

Pricing on this monitor is a mess. We've seen it listed from around $1,000 all the way up to an absurd $30,384. At the low end, it's a fantastic value for a colossal OLED gaming experience. At the high end, you're getting ripped off. Shop around aggressively and don't pay anywhere near the upper range. If you can snag it near $1,000, it's a compelling piece of kit that undercuts many smaller high-refresh OLEDs on a dollar-per-inch basis.

Next to the 57-inch Samsung Odyssey Neo G9, the LG trades mini-LED's brightness and 8K-ish resolution for true OLED contrast and a more focused 21:9 aspect ratio. The Alienware 34" QD-OLED offers sharper text and better color volume in a smaller, more desk-friendly package, but you lose the sheer scale and that enveloping curve. MSI's MPG 321CURX is a closer size match with 4K resolution and a flat panel, great if you want detail over immersion. ASUS's ROG Swift and Dell's U4025QW cater more to hybrid productivity and gaming, while this LG is an unapologetic entertainment machine first.

Skip this one if you need sharp text for work or plan to split-screen documents all day. The low PPI will annoy you. Also pass if desk space is tight, it demands serious real estate. And if you're sensitive to aggressive screen curvature, the 800R bend might feel disorienting rather than immersive. For productivity-focused users, a 4K flat ultrawide like the Dell U4025QW makes way more sense.

This monitor is for gamers who want the biggest, most immersive ultrawide experience possible without buying a projector. It's incredible for sim racing, RPGs, and anything atmospheric. The speed is top-tier, and OLED contrast makes every scene pop. Just don't expect it to double as a sharp productivity monitor, text lovers will wince. If you can find it at a sane price and you have the desk space, it's one heck of a ride.