LG’s 27GX704A B gaming monitor has fallen to $380 in a limited Amazon deal, reducing its usual $450 price by $70. The 16 percent discount brings the 27 inch OLED display to its lowest listed price and makes it a more attractive option for anyone planning a fast 1440p gaming setup.
The monitor combines a 2560 × 1440 resolution with a 240Hz refresh rate and a quoted 0.03ms response time. Those specifications are well suited to competitive games, but the OLED panel also provides the contrast, colour quality, and deep black levels needed for visually detailed single player titles.
A 240Hz monitor can display up to 240 frames per second, although reaching that level at 1440p will require a capable graphics card and processor. You do not need to reach 240 frames per second in every game to benefit from the display, but faster hardware will make better use of its available refresh rate.
The OLED panel improves contrast and motion clarity
OLED technology allows every pixel to produce its own light. Individual pixels can switch off when displaying black, giving the monitor much deeper black levels than most conventional LCD displays.
This also reduces the blooming sometimes visible around bright objects on screens that use larger backlight zones. Dark game environments, night scenes, and high contrast images should therefore appear cleaner and more detailed.
LG lists support for 98.5 percent of the DCI P3 colour space, making the monitor suitable for colourful games and some creative work. It also carries VESA DisplayHDR True Black 400 certification and can reach approximately 1,300 nits in small HDR highlights.
| Feature | LG 27GX704A B specification |
|---|---|
| Screen size | 27 inches |
| Resolution | 2560 × 1440 |
| Panel type | OLED |
| Refresh rate | Up to 240Hz |
| Response time | 0.03ms |
| Colour coverage | 98.5 percent DCI P3 |
| HDR support | DisplayHDR True Black 400 |
| Adaptive sync | Nvidia G Sync Compatible and AMD FreeSync Premium Pro |
| Video connections | Two HDMI 2.1 ports and DisplayPort 1.4 |
| Deal price | $380 |
| Listed saving | $70 |
The near instant response time is another advantage of OLED. Pixels can change quickly between colours, helping moving objects remain clear during rapid camera movement.
That can be useful in shooters, racing games, fighting games, and other titles where fast motion can expose smearing or ghosting on slower displays.
The 240Hz refresh rate suits competitive gaming
The monitor’s 240Hz refresh rate provides considerably smoother motion than common 60Hz, 120Hz, or 144Hz displays when the system can produce enough frames.
Competitive players may notice clearer movement and faster visual feedback, particularly in games such as Counter Strike 2, Valorant, Overwatch 2, and Fortnite. The benefit becomes less noticeable when frame rates fall well below the monitor’s maximum refresh rate, but adaptive sync support helps maintain a smoother presentation.
The LG 27GX704A B supports Nvidia G Sync compatibility and AMD FreeSync Premium Pro. These technologies match the monitor’s refresh behaviour with the graphics card’s output, helping reduce screen tearing and visible stutter.
Reaching more than 200 frames per second at 1440p is realistic in lighter competitive games with suitable hardware. More demanding releases may require lower graphics settings, upscaling, or frame generation.
HDMI 2.1 supports PCs and modern consoles
LG includes two HDMI 2.1 ports and one DisplayPort 1.4 connection. This allows a gaming PC and multiple consoles or other devices to remain connected at the same time.
The monitor also includes one USB 3.2 upstream connection and two downstream ports for compatible accessories. These can help reduce cable clutter when using a keyboard, mouse, controller, or other USB devices.
Console players should be able to use 1440p output and supported high refresh rate modes, although the exact resolution and refresh rate will depend on the console and game. The 240Hz maximum is mainly intended for PC gaming.
LG has also added anti glare treatment, flicker free operation, and low blue light certification. The stand provides ergonomic adjustment, making it easier to position the screen at a comfortable height and angle.
A powerful PC is needed to use its full potential
The discounted price is competitive for a 240Hz OLED monitor, but buyers should consider whether their system can take advantage of it.
A modest PC can still use the monitor at 1440p, though demanding games may run far below 240 frames per second. The display may make more sense as a long term purchase for someone planning a future graphics card upgrade.
OLED ownership also requires some care because static interface elements can contribute to image retention over extended periods. Built in panel protection features can reduce the risk, but they do not remove it completely.
At $380, the LG 27GX704A B offers a strong combination of OLED image quality, fast response times, adaptive sync, and useful connectivity. The deal is particularly relevant for players who want a responsive 1440p monitor without moving to a larger or more expensive 4K model.
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