LG 27GX704A-B 27-inch Ultragear QHD (2650x1440) OLED Gaming Monitor 240Hz, 0.03ms, NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro, VESA Display HDR TrueBlack400, HDMI 2.1, DisplayPort, Black
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AI Verdict
This 27-inch QHD OLED monitor with a 240Hz refresh rate and 0.03ms response time is for serious gamers who prioritize speed and deep blacks.
This monitor is a strong fit for high-performance gaming due to its 240Hz refresh rate, 0.03ms response time, and OLED panel with VESA DisplayHDR True Black 400. These specs directly translate to a fluid, responsive, and visually rich gaming experience, especially for fast-paced genres.
If you need even higher peak brightness for HDR content or are concerned about potential OLED longevity, look for monitors with higher nits for typical brightness or newer OLED panel technologies like QD-OLED.
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Pros
- The 0.03ms (GtG) response time minimizes ghosting for sharp, clear gaming visuals.
- The 240Hz refresh rate delivers ultra-smooth, tear-free gameplay.
- OLED panel with VESA DisplayHDR True Black 400 provides deep blacks and a 1.5M:1 contrast ratio.
- The glossy finish makes the screen appear cleaner and more vibrant compared to matte displays.
- It includes dual HDMI 2.1 ports, DisplayPort 1.4, USB upstream, and two USB downstream ports.
- UL-certified for Anti-Glare, Flicker-Free, and Low Blue Light for eye comfort.
Cons
- Some users reported the monitor shutting off with bright scenes and emitting a slight buzzing noise.
- HDR colors can appear washed out in certain presets, requiring manual adjustment via GPU control panel.
- The monitor is not a 'tandem OLED' which some users might prefer for brightness or longevity.
- At 275 nits typical brightness, it might not be bright enough for well-lit rooms outside of peak HDR content.
Dimension Scores
The OLED panel with 98.5% DCI-P3 color coverage and VESA DisplayHDR True Black 400 delivers exceptional contrast and color depth.
With a 240Hz refresh rate and a 0.03ms (GtG) response time, this monitor offers best-in-class speed for gaming.
Dual HDMI 2.1 ports, DisplayPort 1.4, and a USB hub provide versatile connectivity for modern gaming setups.
The stand allows for height, pivot, swivel, and tilt adjustments, providing a good range of ergonomic customization.
Best For
- Competitive PC gamers needing extreme speed and clarity in fast-paced titles.
- Console gamers with HDMI 2.1 compatible systems seeking high refresh rates and HDR.
- Users who prefer a glossy screen finish for deeper blacks and more vibrant colors.
- Anyone prioritizing deep contrast and true black levels for immersive gaming.
Not Recommended For
- Budget-conscious buyers, given its upper-mid price band.
- Users who primarily work with text or productivity, where OLED burn-in could be a long-term concern.
- Those who game in very bright rooms and need consistently high SDR brightness.
Watch Out For
- The monitor might randomly shut off during bright scenes, which one user experienced and led to a return.
- A slight buzzing noise can be emitted depending on the content displayed, indicating potential electronic board issues.
- HDR performance may require manual tweaking of GPU saturation settings to avoid washed-out colors.
Full Specifications
| ASIN | B0FNQ4B2Z2 |
| Brand | LG |
| Color | Black |
| Series | 27GX704A-B.AUS |
| Resolution | QHD Wide 1440p |
| Item Weight | 15.9 pounds |
| Screen Size | 27 Inches |
| Aspect Ratio | 16:9 |
| Manufacturer | LG Electronics Inc. |
| Item model number | 27GX704A-B.AUS |
| Screen Resolution | 2560x1440 |
| Product Dimensions | 8.7 x 23.8 x 21 inches |
| Max Screen Resolution | 2560 x 1440 Pixels |
| Item Dimensions LxWxH | 8.7 x 23.8 x 21 inches |
| Number of USB 3.0 Ports | 2 |
| Screen Surface Description | Glossy |
| Standing screen display size | 27 Inches |
What Buyers Say
The glossy OLED panel on this LG UltraGear monitor is a game-changer for many, making images look noticeably cleaner and more vibrant than typical matte displays. Users consistently highlight the deep, true blacks and rich, punchy colors that elevate the gaming experience. The monitor's speed, with its 240Hz refresh rate and near-instant 0.03ms response time, makes fast-paced games feel incredibly fluid and responsive. The 27-inch QHD resolution is also frequently cited as the sweet spot for gaming, providing clarity without being too large.
“Dude, this glossy OLED is insane, like, blacks are actually BLACK and games just feel so fast, but mine did buzz a little and I had to mess with the HDR settings to get it right.”
Common Praise
- Blacks are truly deep black, not gray, making dark scenes detailed.
- Movement in games is extremely fluid and responsive due to the 0.03ms response time.
- The glossy screen finish makes the image look more premium and vibrant.
- Colors feel rich and punchy without looking artificial.
- The 27-inch QHD size is ideal for gaming, offering clear visuals without being overwhelming.
- The monitor is G-Sync Compatible and FreeSync Premium Pro certified, eliminating screen tearing.
Common Complaints
- The monitor can randomly shut off during bright scenes.
- A slight buzzing noise has been reported by some users, potentially indicating an internal issue.
- HDR performance might require manual adjustment of GPU saturation settings to prevent washed-out colors.
Ownership Tips
- The glossy finish can be reflective in bright environments, so consider your room lighting.
- You might need to experiment with picture settings, especially HDR, to get the best color accuracy for your preferences.
- The monitor's eye comfort certifications for anti-glare, flicker-free, and low blue light do make a difference during long sessions.
- The included stand offers a good range of motion, which is a plus for finding a comfortable viewing angle.
Frequently Asked Questions
Does this monitor support G-Sync and FreeSync?
Yes, the LG 27GX704A-B is NVIDIA G-Sync Compatible and supports AMD FreeSync Premium Pro, ensuring tear-free gameplay with compatible graphics cards.
What kind of ports does this monitor have?
It comes with dual HDMI 2.1 ports, a DisplayPort 1.4, one USB upstream port, two USB downstream ports, and a headphone out jack.
Is the screen glossy or matte?
This monitor features a glossy OLED panel, which enhances color vibrancy and deepens blacks compared to matte finishes.
What is the typical brightness of this monitor?
The typical brightness is 275 nits, with a peak brightness of 1300 nits for HDR content.
Can I mount this monitor on a VESA arm?
Yes, it has 100 x 100 mm VESA mounting compatibility, and the included stand offers height, pivot, swivel, and tilt adjustments.
Buying Guide
When you're looking at a gaming monitor like this, 'refresh rate' (240Hz) tells you how many times per second the screen updates – higher numbers mean smoother motion. 'Response time' (0.03ms) is how quickly pixels change color, crucial for avoiding blur in fast games. 'OLED' means each pixel generates its own light, giving you perfect blacks and incredible contrast, unlike traditional LCDs that use a backlight. The 'glossy' screen here means colors pop more, but it can also be more reflective than a matte finish.
Refresh Rate (240Hz)
Think of it like frames per second in a movie; 240Hz means 240 frames per second, making motion incredibly fluid and giving you a competitive edge in fast-paced games where every millisecond counts.
Response Time (0.03ms GtG)
This is how fast pixels can switch colors. A 0.03ms response time is practically instantaneous, eliminating motion blur and ghosting, so moving objects on screen look sharp and clear, like a perfectly focused camera shot.
OLED Panel
Unlike LCDs, OLED pixels light up individually. This means when a pixel is black, it's truly off, resulting in infinite contrast and perfect blacks. It's like comparing a regular light bulb to a tiny, individually controlled LED for every single point of light.
VESA DisplayHDR True Black 400
This certification means the monitor can display a wide range of brightness levels, from very dark to bright, with excellent detail in both. 'True Black' specifically highlights the OLED's ability to render absolute black, making scenes feel more realistic and immersive.
Alternatives
If this monitor doesn't fit, consider a 32-inch QHD OLED for a larger screen, or a 4K OLED if resolution is more important than the absolute highest refresh rate. If budget is a concern, look for 144Hz QHD IPS panels with good HDR performance.
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