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LG 45GX900A-B

UK manufacturer model

Screen diagonal
44.5 in
Native resolution
3440 x 1440
Manufacturer maximum refresh rate
240 Hz

LG 45GX900A-B in its manufacturer-documented UK configuration. The complete source table retains its published display, connection, software and physical conditions.

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THE ACTUAL PRODUCT
LG 45GX900A-B official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with LG UltraGear 39GX90SA-W
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The useful part.

Key strengths

The exact manufacturer model links its source specification table and official product gallery.

Manufacturer source
The checks that matter.

Before you buy

Manufacturer specifications are claims, not independent measurements, current retailer stock or unstated regional compatibility. Unlisted units and capabilities remain unknown.

Manufacturer source
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

Exact configuration: UK manufacturer model · 45GX900A-B

55 specifications in 10 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Screen & panel

8 items
Screen diagonal
44.5 in

Actual manufacturer display-table diagonal. Original: 44.5

Source
Native resolution
3440 x 1440Source
Panel technology
OLEDSource
DISPLAY — Size [cm]
113Source
DISPLAY — Aspect Ratio
21:9Source
DISPLAY — Pixel Pitch [mm]
0.303 x 0.303Source
DISPLAY — Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)Source
DISPLAY — Curvature
800RSource

Refresh & response

6 items
Manufacturer maximum refresh rate
240 Hz

Manufacturer display-table maximum, not a motion index. Input-specific modes/overclocking remain in original source fields. Original: 240

Source
DISPLAY — Response Time
0.03ms (GTG)Source
FEATURES — NVIDIA G-Sync™
G-SYNC CompatibleSource
FEATURES — AMD FreeSync™
FreeSync Premium ProSource
FEATURES — VRR
YESSource
FEATURES — Dynamic Action Sync
YESSource

Colour, brightness & HDR

13 items
DISPLAY — Color Gamut (Min.)
DCI-P3 90% (CIE1976)Source
DISPLAY — Color Gamut (Typ.)
DCI-P3 98.5% (CIE1976)Source
DISPLAY — Color Depth (Number of Colors)
1.07BSource
DISPLAY — Contrast Ratio (Min.)
1200000:1Source
DISPLAY — Contrast Ratio (Typ.)
1500000:1Source
DISPLAY — Brightness (Min.) [cd/m²]
250cd/m²Source
DISPLAY — Brightness (Typ.) [cd/m²]
275cd/m²Source
FEATURES — VESA DisplayHDR™
DisplayHDR True Black 400Source
FEATURES — Color Calibrated in Factory
YESSource
FEATURES — HW Calibration
HW Calibration ReadySource
FEATURES — Color Weakness
YESSource
FEATURES — Black Stabiliser
YESSource
SW APPLICATION — LG Calibration Studio (True Color Pro)
YESSource

Inputs & connections

4 items
Inputs and connections
hdmi: YES(2ea); displayport: YES(1ea); dp version: 1.4 (DSC); usb-c: YES(1ea); usb-c (power delivery): 65W; usb downstream port: YES(2ea/ver3.0); headphone output: 4-pole (Sound+Mic)Source
FEATURES — Auto Input Switch
YESSource
FEATURES — PBP
2PBPSource
FEATURES — PIP
YESSource

Stand & mounting

2 items
MECHANICAL — Display Position Adjustments
Tilt/Height/SwivelSource
MECHANICAL — Wall Mountable [mm]
100 x 100mmSource

Size, weight & build

6 items
Manufacturer dimensions and stand basis
dimension with stand (w x h x d) [mm]: 992.7 x 661.7 x 338.6(UP) / 992.7 x 541.7 x 338.6(Down)

Original manufacturer axes, units and up/down/stand configurations retained.

Source
DIMENSIONS/WEIGHTS — Dimension without Stand (W x H x D) [mm]
992.7 x 457 x 218Source
DIMENSIONS/WEIGHTS — Dimension in Shiping (W x H x D) [mm]
1143 x 301 x 550Source
DIMENSIONS/WEIGHTS — Weight with Stand [kg]
13.5Source
DIMENSIONS/WEIGHTS — Weight without Stand [kg]
8.9Source
DIMENSIONS/WEIGHTS — Weight in Shipping [kg]
18.9Source

Power & energy

5 items
FEATURES — Smart Energy Saving
YESSource
POWER — Type
External Power(Adapter)Source
POWER — AC Input
100~240V (50/60Hz)Source
POWER — Power Consumption (Sleep Mode)
Less than 0.5WSource
POWER — Power Consumption (DC Off)
Less than 0.3WSource

Eye care & features

5 items
FEATURES — Reader Mode
YESSource
FEATURES — Crosshair
YESSource
FEATURES — FPS Counter
YESSource
FEATURES — User Defined Key
YESSource
SW APPLICATION — Dual Controller
YESSource

Audio

1 item
SOUND — Speaker
7W x 2Source

Box, warranty & identity

5 items
INFO — Product name
UltraGearSource
INFO — Year
Y25Source
ACCESSORY — HDMI
YES(2ea)Source
ACCESSORY — USB-C
YES(1ea)Source
ACCESSORY — Display Port
YESSource
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