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Brand: LG

45GX90SA-B

LG 45GX90SA-B 45GX90SA-B.AEK

AMD FreeSync Yes
AMD FreeSync type FreeSync Premium
Anti-glare screen Yes
Built-in camera No
Built-in speaker(s) Yes
Built-in USB hub No

About this item

The 240Hz OLED Smart gaming monitor that’s ahead of the (800R) curveThe huge 45” WQHD OLED with a steep 800R curve and up to 1300 nits (APL 1.5%) peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth. Plus, LG’s webOS lets you...

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Product information

About this product

  • 45” UltraGear OLED: a 21:9 curved WQHD display that’s built for battle
  • Outrageous OLED gaming speed at up to 240Hz and 0.03ms response time
  • Easy access to popular streaming apps and cloud gaming services with webOS
  • Seamless frame sync with FreeSync Premium and G-SYNC for stutter-free gaming.
  • Stunning and bright OLED visuals with rich color, deep blacks, and 1.5M:1 contrast
  • The 45" UltraGear OLED's steep and dramatic 800R curve surrounds you in the action
  • webOS brings tailored AI-driven visuals and audio for enhanced gaming experiences
  • Console or PC connectivity: HDMI 2.1, DisplayPort 1.4 and USB Type-C

The 240Hz OLED Smart gaming monitor that’s ahead of the (800R) curve

The huge 45” WQHD OLED with a steep 800R curve and up to 1300 nits (APL 1.5%) peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth. Plus, LG’s webOS lets you stream your favorites and cloud game—all from one epic screen.

Up to 240Hz & 0.03ms – Outrageous OLED Gaming Speed

Game at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03ms (GtG) response time. The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting.

Your Favorite Streaming Services Plus Cloud Gaming

Thanks to webOS24, find your favorites fast with built-in access to Netflix, Prime Video, the Apple TV app, Disney+, HBO Max. And over 300 free LG Channels with everything from comedy to movies to sports. Game without a PC or console! Connect to your favorite cloud gaming services such as NVIDIA GeForce NOW, Amazon Luna, and Blacknut directly from the webOS home screen.

Ultimate Frame Sync: FreeSync™ Premium & G-SYNC® Compatible

Say goodbye to screen tearing and stutter. With AMD FreeSync™ Premium and NVIDIA® G-SYNC® compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.

Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW

Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.

The 800R Curve: Surround Yourself in the Action

See and feel the action all around you with the dramatic 800R curve. This steep curvature extends your periphery, pulling you deeper into the game and making the action more intense.

Low Glare, More Focus: Play Without Distractions

UL-verified “Flicker-free Display”, “Discomfort Glare Free” and “Low Blue Light Hardware Solution Platinum”, this OLED display keeps your view crisp and colors bold. With advanced anti-glare tech minimizing reflections, you get distraction-free clarity—so you can stay focused and dominate in any lighting.

webOS Gaming: AI tools customize your gaming experience

Experience enhanced gaming in webOS with AI tools. Dynamic Tone Mapping and AI Picture sharpen visuals, while AI Personalized Picture Wizard customizes settings to your taste. AI Sound completes the package, delivering precision-tuned audio for every game or stream.

Unlock Your Potential with Advanced Gaming Features

Dynamic Action Sync reduces input lag for real-time response.
Black Stabilizer brightens dark scenes to see what's hidden
FPS Counter shows your real-time frame rate
Crosshair enhances precision for deadly accuracy

Product details

40
AMD FreeSync Yes
AMD FreeSync type FreeSync Premium
Anti-glare screen Yes
Built-in camera No
Built-in speaker(s) Yes
Built-in USB hub No
Contrast ratio (typical) 1500000:1
DCI-P3 coverage 98.5%
Display brightness (peak) 1300 cd/m²
Display brightness (typical) 275 cd/m²
Display diagonal 114.3 cm (45")
Display number of colours 1.07 billion colours
Display resolution 3440 x 1440 pixels
Display technology OLED
Feet colour Black
Flicker-free technology Yes
Game mode Yes
HD type Wide Quad HD
High Dynamic Range (HDR) supported Yes
High Dynamic Range (HDR) technology DisplayHDR 400 True Black, Dynamic Tone Mapping
Illuminated stand Yes
Low Blue Light technology Yes
Market positioning Gaming
Maximum refresh rate 240 Hz
Native aspect ratio 21:9
Number of speakers 2
NVIDIA G-SYNC Yes
NVIDIA G-SYNC type G-SYNC Compatible
Operating system installed webOS
Panel type OLED
Pixel pitch 0.303 x 0.303 mm
Product colour Black
Response time (fast) 0.03 ms
RMS rated power 7 W
Screen curvature rating 800R
Screen shape Curved
Touchscreen No
VESA Adaptive Sync support Yes
Viewing angle, horizontal 178°
Viewing angle, vertical 178°

Logistics

EAN8806096429990
Unit of measure—
Weight—
Dimensions —
Dangerous goodsNo

Warranty

  • 12-month warranty on everything we sell.
  • Runs from the day your order is delivered.
  • Faults under normal use are repaired, replaced or refunded.
Read the warranty terms

Payment

  • Clearpay
  • Klarna
  • Visa and Mastercard, processed securely by Tyl by NatWest with 3D Secure.
  • PayPal — your PayPal balance or a saved card or bank account.
  • Clearpay, Klarna and Billie — pay later or in instalments, processed by Stripe.
  • No surcharge on any payment method; refunds go back to the way you paid.
Read the payment policy
Spread the cost
  • Clearpay
  • Klarna
    • Clearpay
    4 interest-free payments of £447.27 with Clearpay. Learn more
    • Klarna
    3 payments of £596.36 at 0% interest with Klarna. Learn more
    Businesses: pay in 30 days on invoice with Billie. Learn more

Choose at checkout. 18+, T&Cs apply, credit subject to status.

Return policy: Item can be returned in its original condition for a full refund within 14 days of receipt, with a free tracked Royal Mail return label. Read full return policy

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