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What it is
This LG 45GX90SA-B is a 45-inch ultrawide OLED monitor with a WQHD resolution of 3440 x 1440 pixels. It features a 240Hz refresh rate, offers a brightness of 275 cd/m², and supports 1.07 billion colours covering 98.5% of the DCI-P3 colour gamut. It has built-in speakers rated at 7W RMS but no built-in camera.
Who it's for
It's suited for users needing a large, high-quality ultrawide screen for detailed graphics work, immersive viewing, or gaming with fast refresh rates. The OLED panel provides vivid colour and deep blacks, ideal for creative professionals or anyone prioritising image quality over standard panels.
Why it's good
The OLED technology delivers excellent contrast and true blacks, while the 240Hz refresh rate supports smooth motion, beneficial for gaming or fast video playback. Its wide colour gamut and high colour depth support accurate colour representation without pushing extreme brightness levels, balancing image quality and eye comfort.
When to choose it
Consider this LG ultrawide if you need a large-format monitor that blends high-end picture quality with fast performance, such as for multimedia editing, esports, or immersive productivity setups. Avoid if your work requires higher brightness or higher resolution beyond WQHD, or if a standard aspect ratio is preferred.
Specifications
| Audio | |
|---|---|
| Built-in speaker(s) | Yes |
| RMS rated power | 7 W |
| Performance | |
| Built-in speaker(s) | Yes |
| RMS rated power | 7 W |
| Built-in camera | No |
| NVIDIA G-SYNC type | G-SYNC Compatible |
| AMD FreeSync type | FreeSync Premium |
| AMD FreeSync | Yes |
| Game mode | Yes |
| NVIDIA G-SYNC | Yes |
| Operating system installed | webOS |
| VESA Adaptive Sync support | Yes |
| Low Blue Light technology | Yes |
| Flicker-free technology | Yes |
| Brand specific technologies | Black Stabiliser |
| FPS counter | Yes |
| Picture processing technology | LG AI Picture |
| Display | |
| Display brightness (typical) | 275 cd/m² |
| Screen shape | Curved |
| Display number of colours | 1.07 billion colours |
| Native aspect ratio | 21:9 |
| Maximum refresh rate | 240 Hz |
| HD type | Wide Quad HD |
| Display technology | OLED |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Pixel pitch | 0.303 x 0.303 mm |
| Display resolution | 3440 x 1440 pixels |
| Display diagonal | 114.3 cm (45") |
| Contrast ratio (typical) | 1500000:1 |
| Response time (fast) | 0.03 ms |
| Display brightness (peak) | 1300 cd/m² |
| Touchscreen | No |
| High Dynamic Range (HDR) supported | Yes |
| Panel type | OLED |
| DCI-P3 coverage | 98.5% |
| High Dynamic Range (HDR) technology | DisplayHDR 400 True Black, Dynamic Tone Mapping |
| Screen curvature rating | 800R |
| Hardware calibration | Yes |
| Anti-glare screen | Yes |
| Multimedia | |
| Number of speakers | 2 |
| Built-in speaker(s) | Yes |
| RMS rated power | 7 W |
| Built-in camera | No |
| Design | |
| Market positioning | Gaming |
| Feet colour | Black |
| Product colour | Black |
| Illuminated stand | Yes |
| Camera | |
| Built-in camera | No |
| Ports & interfaces | |
| Built-in USB hub | No |
| USB Type-A downstream ports quantity | 2 |
| USB Type-C downstream ports quantity | 1 |
| Headphone out | Yes |
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| HDMI | Yes |
| HDMI version | 2.1 |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 65 W |
| DisplayPort out version | 1.4 |
| Bluetooth | Yes |
| Ethernet LAN | Yes |
| Technical details | |
| Height (without stand) | 457 mm |
| Depth (without stand) | 218 mm |
| Width (without stand) | 992.7 mm |
| Feet colour | Black |
| HDMI | Yes |
| Product colour | Black |
| Warranty period | 2 year(s) |
| Game mode | Yes |
| Weight (with stand) | 13.5 kg |
| Touchscreen | No |
| Network | |
| Bluetooth | Yes |
| Ethernet LAN | Yes |
| Ergonomics | |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Swivelling | Yes |
| Pivot | Yes |
| Height adjustment | Yes |
| Tilt adjustment | Yes |
| Power | |
| AC input voltage | 220 - 240 V |
| Power consumption (off) | 0.5 W |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 46 kWh |
| Energy consumption (HDR) per 1000 hours | 53 kWh |
| Weight & dimensions | |
| Height (without stand) | 457 mm |
| Depth (without stand) | 218 mm |
| Width (without stand) | 992.7 mm |
| Width (with stand) | 992.7 mm |
| Depth (with stand) | 338.6 mm |
| Height (with stand) | 661.7 mm |
| Weight (with stand) | 13.5 kg |
| Weight (without stand) | 8.9 kg |
| Package width | 1143 mm |
| Package depth | 550 mm |
| Package height | 301 mm |
| Package weight | 18.9 kg |
| Packaging data | |
| Package width | 1143 mm |
| Package depth | 550 mm |
| Package height | 301 mm |
| Package weight | 18.9 kg |
| Package type | Box |
| Stand included | Yes |
| Remote control included | Yes |
| Cables included | DisplayPort, HDMI, USB Type-C |
| Remote control batteries included | Yes |
| Power adapter included | Yes |
| Packaging content | |
| Stand included | Yes |
| Remote control included | Yes |
| Cables included | DisplayPort, HDMI, USB Type-C |
| Remote control batteries included | Yes |
| Power adapter included | Yes |
| Thin Client | |
| Operating system installed | webOS |
| Other features | |
| DCI-P3 coverage | 98.5% |
| Hardware calibration | Yes |
| Warranty period | 2 year(s) |
| Brand specific technologies | Black Stabiliser |
| FPS counter | Yes |
| Picture processing technology | LG AI Picture |
| Game mode | Yes |
| Height (without stand) | 457 mm |
| Depth (without stand) | 218 mm |
| Width (without stand) | 992.7 mm |
| Bluetooth | Yes |
| Remote control included | Yes |
| HDMI | Yes |
| USB Power Delivery up to | 65 W |
| Energy efficiency scale | A to G |
| Ethernet LAN | Yes |
| Display brightness (peak) | 1300 cd/m² |
| Touchscreen | No |
| USB Power Delivery (USB PD) | Yes |
| Package type | Box |
Get in touch with Creative Systems to confirm this model fits your space and performance needs before ordering.
