LG
LG 45 inch Ultragear OLED WQHD 240Hz 800R Curved Gaming Monitor
Bottom line: The LG 45 inch Ultragear OLED WQHD 240Hz 800R Curved Gaming Monitor is a specs-and-price decision rather than a crowd-consensus one in the gaming monitors category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Deco Essentials CPS Exclusive 26 Months Premium Extended Service Protection Plan
- ✓ Backed by LG's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Product Highlights:45" UltraGear OLED: a 21:9 curved WQHD display that's built for battleOutrageous OLED gaming speed at up to 240Hz and 0.03ms response timeEasy access to popular streaming apps and cloud gaming services with webOSSeamless frame sync with FreeSync Premium and G-SYNC for stutter-free gamingStunning and bright OLED visuals with rich color, deep blacks, and 1.5M:1 contrastThe 45" UltraGear OLED's steep and dramatic 800R curve surrounds you in the actionwebOS brings tailored AI-driven visuals and audio for enhanced gaming experiencesConsole or PC connectivity: HDMI 2.1…
SpecPicks Verdict
SpecPicks scored LG 45 inch Ultragear OLED WQHD 240Hz 800R Curved Gaming Monitor using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming monitors category. LG's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- OLED Smart Gaming Speed: Experience next-level responsiveness with a 240Hz refresh rate and ultra-fast 0.03ms (GtG) response time for ultra-smooth, low-latency gaming.
- Curved Immersion (800R): Get pulled into the game with a steep 800R curved 45” OLED screen that enhances field of view and makes every scene more intense and lifelike.
- Ultimate Sync Compatibility: Enjoy ultra-smooth visuals without tearing or stutter thanks to AMD FreeSync Premium and NVIDIA G-SYNC compatibility.
- Smart Entertainment & Cloud Gaming: Stream Netflix, Prime Video, and Disney+ via webOS, and play directly from cloud services like GeForce NOW, Amazon Luna, and Blacknut.
- Bright, Vivid, True Black: OLED panel with 98.5% DCI-P3 color, HDR True Black 400, and 1.5M:1 contrast for deep blacks, brilliant highlights, and cinematic color quality.
- IN THE BOX: LG 45" UltraGear OLED WQHD 240Hz 800R Curved Gaming Monitor with webOS - Stand - Power Cord and Adapter - DisplayPort Cable - USB-C Cable - Remote Control - Quick Setup Guide / Documentation
Full Specifications
| Brand | LG |
|---|---|
| Color | White |
| Shape | Curved |
| Brightness | 275 candela_per_square_meter |
| Model Name | E990LG45GX90SAB |
| Resolution | QHD Wide 1440p |
| Unit Count | 1 Count |
| Color Gamut | 98.5 |
| Pixel Pitch | 0.3 |
| Screen Size | 44.5 inches |
| Aspect Ratio | 21:9 |
| Connectivity | USB-C |
| Display Type | OLED |
| Model Number | E990LG45GX90SAB |
| Refresh Rate | 240 hertz |
| Adaptive Sync | FreeSync Premium, G-Sync Compatible |
| Mounting Type | Wall Mount |
| Response Time | 0.03 milliseconds |
| Screen Finish | Matte |
| Viewing Angle | 178 degrees |
| Full listing title | LG 45 inch Ultragear OLED WQHD 240Hz 800R Curved Gaming Monitor with webOS 45GX90SA-B Bundle with Deco Essentials Exclusive 26 Months CPS Enhanced Protection Pack and 2X Deco Gear 6FT 4K HDMI Cable |
Ready to buy?
LG 45 inch Ultragear OLED WQHD 240Hz 800R Curved Gaming Monitor with webOS 45GX90SA-B Bundle with Deco Essentials Exclusive 26 Months CPS Enhanced Protection Pack and 2X Deco Gear 6FT 4K HDMI Cable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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