UK manufacturer model · 39GX900A-B
LG 39GX900A-B in its manufacturer-documented UK configuration. The complete source table retains its published display, connection, software and physical conditions.
Specifications checked 17 Oct 2026.
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Manufacturer specificationsChoose the 39GX900A-B for
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UK manufacturer model · 45GX900A-B
LG 45GX900A-B in its manufacturer-documented UK configuration. The complete source table retains its published display, connection, software and physical conditions.
Specifications checked 17 Oct 2026.
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Differences first. Select a topic for its graphic, sources and conditions.
Panel diagonal. Resolution, aspect ratio and viewing distance also affect the workspace; a larger diagonal is not an image-quality score.
Match the monitor to the connection. Refresh limits depend on the input, cable and source device. Confirm the exact regional ports, stand adjustment and mount. Manufacturer response-time methods such as MPRT and GtG are different; neither the image nor these figures establish an independent motion or colour-quality test.
12 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · Actual manufacturer display-table diagonal. Original: 39
LG 39GX900A-B — official UK product specificationsManufacturer specification · Actual manufacturer display-table diagonal. Original: 44.5
LG 45GX900A-B — official UK product specificationsCheck the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
A size or weight trade-off; it does not establish the better product.
A size or weight trade-off; it does not establish the better product.
A size or weight trade-off; it does not establish the better product.
A size or weight trade-off; it does not establish the better product.
A size or weight trade-off; it does not establish the better product.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Original manufacturer axes, units and up/down/stand configurations retained.
LG 39GX900A-B — official UK product specificationsManufacturer specification · Original manufacturer axes, units and up/down/stand configurations retained.
LG 45GX900A-B — official UK product specificationsA size or weight trade-off; it does not establish the better product.
One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
41 shared fields have the same recorded value.
| Specification | LG 39GX900A-B | LG 45GX900A-B |
|---|---|---|
Screen diagonalDifferent SourcesLG 39GX900A-B Manufacturer specification · Actual manufacturer display-table diagonal. Original: 39 LG 39GX900A-B — official UK product specificationsLG 45GX900A-B Manufacturer specification · Actual manufacturer display-table diagonal. Original: 44.5 LG 45GX900A-B — official UK product specifications | 39 in | 44.5 in |
Native resolution Sources | 3440 x 1440 | 3440 x 1440 |
Panel technology Sources | OLED | OLED |
DISPLAY — Size [cm]Different Sources | 99.1 | 113 |
DISPLAY — Aspect Ratio Sources | 21:9 | 21:9 |
DISPLAY — Pixel Pitch [mm]Different Sources | 0.266 x 0.266mm | 0.303 x 0.303 |
DISPLAY — Color Gamut (Min.)Different Sources | DCI-P3 94% (CIE1976) | DCI-P3 90% (CIE1976) |
DISPLAY — Color Gamut (Typ.) Sources | DCI-P3 98.5% (CIE1976) | DCI-P3 98.5% (CIE1976) |
DISPLAY — Color Depth (Number of Colors) Sources | 1.07B | 1.07B |
DISPLAY — Contrast Ratio (Min.) Sources | 1200000:1 | 1200000:1 |
DISPLAY — Contrast Ratio (Typ.) Sources | 1500000:1 | 1500000:1 |
DISPLAY — Viewing Angle (CR≥10) Sources | 178º(R/L), 178º(U/D) | 178º(R/L), 178º(U/D) |
DISPLAY — Curvature Sources | 800R | 800R |
DISPLAY — Brightness (Min.) [cd/m²]Different Sources | 250cd/㎡ | 250cd/m² |
DISPLAY — Brightness (Typ.) [cd/m²] Sources | 275cd/m² | 275cd/m² |
FEATURES — HDR 10 SourcesLG 45GX900A-B No source recorded. | YES | Not provided |
FEATURES — VESA DisplayHDR™ Sources | DisplayHDR True Black 400 | DisplayHDR True Black 400 |
FEATURES — Color Calibrated in Factory Sources | YES | YES |
FEATURES — HW Calibration Sources | HW Calibration Ready | HW Calibration Ready |
FEATURES — Color Weakness Sources | YES | YES |
FEATURES — Black Stabiliser Sources | YES | YES |
SW APPLICATION — LG Calibration Studio (True Color Pro) Sources | YES | YES |
Manufacturer maximum refresh rate SourcesLG 39GX900A-B Manufacturer specification · Manufacturer display-table maximum, not a motion index. Input-specific modes/overclocking remain in original source fields. Original: 240 LG 39GX900A-B — official UK product specificationsLG 45GX900A-B Manufacturer specification · Manufacturer display-table maximum, not a motion index. Input-specific modes/overclocking remain in original source fields. Original: 240 LG 45GX900A-B — official UK product specifications | 240 Hz | 240 Hz |
DISPLAY — Response Time Sources | 0.03ms (GTG) | 0.03ms (GTG) |
FEATURES — NVIDIA G-Sync™ Sources | G-SYNC Compatible | G-SYNC Compatible |
FEATURES — AMD FreeSync™ Sources | FreeSync Premium Pro | FreeSync Premium Pro |
FEATURES — VRR Sources | YES | YES |
FEATURES — Dynamic Action Sync Sources | YES | YES |
Inputs and connections Sources | 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) | 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) |
FEATURES — Auto Input Switch Sources | YES | YES |
FEATURES — PBP Sources | 2PBP | 2PBP |
FEATURES — PIP Sources | YES | YES |
SOUND — Speaker Sources | 7W x 2 | 7W x 2 |
Manufacturer dimensions and stand basisDifferent SourcesLG 39GX900A-B Manufacturer specification · Original manufacturer axes, units and up/down/stand configurations retained. LG 39GX900A-B — official UK product specificationsLG 45GX900A-B Manufacturer specification · Original manufacturer axes, units and up/down/stand configurations retained. LG 45GX900A-B — official UK product specifications | dimension with stand (w x h x d) [mm]: 887.8 x 605.7 x 322.8mm (UP) / 887.8 x 495.7 x 322.8mm (Down) | 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) |
MECHANICAL — Display Position Adjustments Sources | Tilt/Height/Swivel | Tilt/Height/Swivel |
MECHANICAL — Wall Mountable [mm] Sources | 100 x 100mm | 100 x 100mm |
DIMENSIONS/WEIGHTS — Dimension without Stand (W x H x D) [mm]Different Sources | 887.8 x 404.4 x 198.0mm | 992.7 x 457 x 218 |
DIMENSIONS/WEIGHTS — Dimension in Shiping (W x H x D) [mm]Different Sources | 985 x 338 x 550mm | 1143 x 301 x 550 |
DIMENSIONS/WEIGHTS — Weight with Stand [kg]Different Sources | 11.45kg | 13.5 |
DIMENSIONS/WEIGHTS — Weight without Stand [kg]Different Sources | 7.3kg | 8.9 |
DIMENSIONS/WEIGHTS — Weight in Shipping [kg]Different Sources | 17.5kg | 18.9 |
POWER — Type Sources | External Power(Adapter) | External Power(Adapter) |
POWER — AC Input Sources | 100~240V (50/60Hz) | 100~240V (50/60Hz) |
POWER — Power Consumption (Sleep Mode) Sources | Less than 0.5W | Less than 0.5W |
POWER — Power Consumption (DC Off) Sources | Less than 0.3W | Less than 0.3W |
FEATURES — Smart Energy Saving SourcesLG 39GX900A-B No source recorded. | Not provided | YES |
FEATURES — Reader Mode Sources | YES | YES |
FEATURES — Crosshair Sources | YES | YES |
FEATURES — FPS Counter Sources | YES | YES |
FEATURES — User Defined Key Sources | YES | YES |
SW APPLICATION — Dual Controller Sources | YES | YES |
INFO — Product name Sources | UltraGear | UltraGear |
INFO — Year Sources | Y25 | Y25 |
ACCESSORY — HDMIDifferent Sources | YES (ver 2.1) | YES(2ea) |
ACCESSORY — USB-C Sources | YES | YES(1ea) |
ACCESSORY — Display Port Sources | YES | YES |
Closest monitors to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
