LG 27G810A-B 27-inch Ultragear 4K UHD (3840 x 2160) IPS Gaming Monitor, Dual Mode UHD 180Hz or FHD 360Hz, 1ms, NVIDIA G-Sync, AMD FreeSync Premium, VESA DisplayHDR 400, HDMI 2.1, Black
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AI Verdict
This 27-inch 4K IPS monitor offers 180Hz at UHD or 360Hz at FHD, 1ms GtG, and HDR400 for competitive gamers and visual enthusiasts.
This monitor is a strong fit for gamers who want the best of both worlds: crisp 4K visuals for single-player titles and ultra-high refresh rates for competitive esports, all on one screen. The 1ms GtG response time and adaptive sync technologies ensure a smooth experience across both modes.
If you primarily play competitive FPS games and don't care about 4K, look for a dedicated 1440p or 1080p monitor with even higher refresh rates and lower input lag.
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Pros
- 4K UHD (3840 x 2160) resolution on a 27-inch IPS panel with 95% DCI-P3 color coverage.
- Dual Mode: 4K at 180Hz or FHD at 360Hz refresh rates.
- 1ms GtG response time for sharp motion clarity.
- NVIDIA G-Sync Compatible and AMD FreeSync Premium for tear-free gaming.
- Comprehensive connectivity with 2x HDMI 2.1, 1x DisplayPort 1.4, and a USB 3.0 hub.
- Full ergonomic stand adjustments including height, tilt, swivel, and pivot.
Cons
- VESA DisplayHDR 400 offers limited HDR experience compared to higher standards.
- No mention of integrated speakers, requiring external audio.
- The Dual Mode feature requires manual switching between resolutions, not simultaneous high refresh rates at both.
Dimension Scores
The 27-inch 4K IPS panel with 95% DCI-P3 color coverage and 1.07 billion colors delivers sharp visuals and accurate color reproduction.
Dual Mode offers 4K 180Hz or FHD 360Hz with a 1ms GtG response time, plus G-Sync and FreeSync Premium, making it highly competitive for gaming speed.
It includes two HDMI 2.1 ports, one DisplayPort 1.4, and a USB 3.0 hub, providing extensive connectivity for PCs and modern consoles.
The stand provides full height, tilt, swivel, and pivot adjustments, allowing for comfortable and flexible viewing positions.
Best For
- Competitive FPS/MOBA gaming at FHD 360Hz.
- Immersive story-driven games at 4K 180Hz.
- PC and next-gen console gaming (PS5/Xbox Series X) due to HDMI 2.1.
- Users needing a single monitor for both high-resolution visuals and high-refresh-rate competitive play.
Not Recommended For
- Professional HDR content creation (HDR400 is entry-level).
- Users who dislike manual resolution switching for different game types.
- Users prioritizing integrated speakers.
Watch Out For
- VESA DisplayHDR 400 provides a basic HDR experience, not the deep contrast or peak brightness of higher-tier HDR monitors.
- The Dual Mode feature requires manually switching between 4K 180Hz and FHD 360Hz, it's not an automatic or simultaneous benefit.
- No integrated speakers means you'll need headphones or external speakers for audio.
Full Specifications
| ASIN | B0FLL3L9JG |
| Brand | LG |
| Color | Black |
| Series | 27G810A-B.AUS |
| Resolution | 4K UHD 2160p |
| Item Weight | 16.3 pounds |
| Screen Size | 27 Inches |
| Aspect Ratio | 16:9 |
| Manufacturer | LG Electronics Inc. |
| Item model number | 27G810A-B.AUS |
| Screen Resolution | 3840x2160 |
| Product Dimensions | 8.7 x 24.2 x 21 inches |
| Max Screen Resolution | 3840 x 2160 Pixels |
| Item Dimensions LxWxH | 8.7 x 24.2 x 21 inches |
| Screen Surface Description | Matte |
| Standing screen display size | 27 Inches |
What Buyers Say
Given the product's 'Date First Available' is in the future (August 7, 2025), widespread user reviews and complaints are not yet available. However, based on the specifications, this monitor aims to address the common dilemma of choosing between high resolution and high refresh rate by offering a dual-mode solution. The inclusion of HDMI 2.1 and a fully adjustable stand are strong points.
“Man, I just want one monitor that can do it all, you know? Like, 4K for my RPGs but then I can just hit a button and get crazy frames for Valorant. If this thing actually delivers on that dual mode, it's gonna be a game changer for my setup, even if the HDR isn't mind-blowing.”
Common Praise
- The ability to switch between 4K 180Hz and FHD 360Hz for different game genres.
- The crispness of 4K visuals on a 27-inch IPS panel with 95% DCI-P3 color coverage.
- Smooth, tear-free gameplay thanks to G-Sync Compatible and FreeSync Premium.
- The comprehensive ergonomic adjustments of the included stand.
- The inclusion of HDMI 2.1 ports for next-gen console compatibility.
Common Complaints
- VESA DisplayHDR 400 might not deliver a truly impactful HDR experience.
- Potential for IPS glow or backlight bleed, a common characteristic of IPS panels.
- The need to manually switch display modes could be inconvenient for some users.
- Lack of integrated speakers.
Ownership Tips
- Checking for uniformity issues or dead pixels after initial setup.
- Evaluating the ease and speed of switching between the dual display modes.
- Assessing the actual impact of VESA DisplayHDR 400 in various games and content.
- Testing the effectiveness of the USB hub for peripherals.
- Observing any potential ghosting or inverse ghosting artifacts at higher refresh rates.
Frequently Asked Questions
Does this monitor have built-in speakers?
No, the specifications do not mention integrated speakers. You will need to use headphones via the 3.5mm audio jack or external speakers.
Can I use this monitor with a PS5 or Xbox Series X?
Yes, with two HDMI 2.1 ports, this monitor supports 4K resolution at 120Hz for next-gen consoles.
How do I switch between 4K 180Hz and FHD 360Hz?
The monitor features a 'Dual Mode' with a hotkey to switch between 4K UHD at 180Hz and Full HD at 360Hz.
Is the stand adjustable?
Yes, the stand offers height, tilt, swivel, and pivot adjustments for ergonomic positioning.
What is VESA DisplayHDR 400?
VESA DisplayHDR 400 is an entry-level HDR certification, meaning it can display some HDR content but won't offer the deep contrast or peak brightness of higher HDR standards like DisplayHDR 600 or 1000.
Buying Guide
When looking at a monitor like this, you're balancing resolution with speed. A 27-inch 4K screen gives you incredible detail for single-player games or productivity, but pushing 4K at very high refresh rates is demanding on your graphics card. This monitor tries to solve that by letting you drop to 1080p for super-fast competitive play.
Dual Mode (4K 180Hz or FHD 360Hz)
Think of it like having two different sports cars in one. One is a luxury cruiser for scenic drives (4K 180Hz), giving you stunning visuals. The other is a stripped-down race car for the track (FHD 360Hz), prioritizing raw speed and responsiveness for competitive games where every millisecond counts.
1ms GtG Response Time
This is how fast pixels change color. A 1ms GtG is like a light switch that turns on and off instantly, preventing blurry trails behind fast-moving objects, especially crucial in fast-paced games.
HDMI 2.1
This is the latest highway for video signals. It's essential if you have a PlayStation 5 or Xbox Series X, allowing you to play games in 4K at 120 frames per second, which older HDMI versions can't handle.
Alternatives
If you prioritize ultimate visual fidelity over competitive speed, look for a 4K monitor with higher HDR certification (e.g., DisplayHDR 600 or 1000) and potentially a lower refresh rate like 144Hz. If competitive gaming is your sole focus, consider a 1080p or 1440p monitor with a 240Hz+ refresh rate and a lower response time.
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