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…
Best for
Best 4K
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$324.99
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the LG 27G810A-B is the standout 4K gaming pick here thanks to its dual-mode panel: 4K UHD at 180Hz or FHD at 360Hz, plus HDMI 2.1 and G-SYNC/FreeSync support. High-trust Best Buy verified-purchase reviews emphasize its native 4K clarity, and r/Monitors owners report it looks 'impressive' on default settings, with both games and video playback looking great and being easy on the eyes. On r/buildapcsales, an owner confirmed very good response time in both modes with no glitches.
What reviewers liked
- Best Buy verified reviews praise native 4K clarity
- Dual-mode 4K/180Hz or FHD/360Hz adds real flexibility plus HDMI 2.1
- r/Monitors and r/buildapcsales owners report strong response and image quality
Where it falls short
- Amazon rating rests on a thin ~62-review sample
- No model-specific independent lab verdict surfaced in the signals
- 4K gaming demands a powerful GPU, and IPS pricing nears OLED in this segment
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Across the reviewers we read, the LG 27G810A-B is the standout 4K gaming pick here thanks to its dual-mode panel: 4K UHD at 180Hz or FHD at 360Hz, plus HDMI 2.1 and G-SYNC/FreeSync support. High-trust Best Buy verified-purchase reviews emphasize its native 4K clarity, and r/Monitors owners report it looks 'impressive' on default settings, with both games and video playback looking great and being easy on the eyes. On r/buildapcsales, an owner confirmed very good response time in both modes with no glitches.
The key caveat reviewers raise across the category is that LCD pricing in this segment is competitive: one r/Monitors thread about a sibling LG model noted that high-end 4K IPS panels often sit close to OLED money, prompting value comparisons. We note a RTINGS LG link appeared in this candidate's data, but it references other LG models rather than this exact unit, so we are not attributing a lab verdict for the 27G810A-B specifically. Amazon's 4.6 average is encouraging but rests on a thin 62-review sample.
For gamers who want true 4K sharpness with the flexibility to switch into a high-refresh 1080p mode for competitive play, the available signals are positive, with the usual reminder that 4K demands serious GPU power.
- 27” 4K Gaming—Speed Meets Clarity - UltraGear's 27-inch 4K UHD gaming monitor delivers stunning native resolution with incredible clarity. With Dual Mode, you choose your edge: play in 4K at 180Hz for fluid detail, or choose Full HD at 360Hz for lightning-fast speed. A 1ms GtG response time keeps every motion crisp and razor sharp.
- Breathtaking UHD Clarity, Bold Colors, and DisplayHDR 400 Brilliance - Stunning 4K UHD on a 27” IPS display with up to 95% DCI-P3 color coverage. Experience deeper blacks, vibrant hues, and enhanced contrast with VESA DisplayHDR 400, delivering breathtaking detail and crisp visuals for captivating gaming and entertainment.
- Dual Mode
- 4K UHD 180Hz or Full HD 360Hz - Dual Mode lets you take control of your gaming experience. Enjoy graphically stunning story-driven adventures in 4K UHD at up to 180Hz immersing yourself in epic visuals and rich detail. Or press the hotkey to switch to Full HD at an electrifying 360Hz for ultra-responsive gameplay in FPS, MOBA, or racing titles.
- 1ms Response (GtG) for Crisp Gameplay - 1ms Response Time (GtG) keeps fast-paced gameplay sharp by minimizing blur and ghosting. Whether you're tracking enemies or racing to the finish, every frame stays crisp—giving you the edge when it matters most.
- Ultimate Frame Sync
- FreeSync Premium & G-SYNC Compatible - Say goodbye to screen tearing and stutter. With AMD FreeSync Premium and NVIDIA G-SYNC compatibility, this UltraGear monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.
- Dynamic Action Sync - Don’t miss a beat. Dynamic Action Sync helps you spot the action and strike fast by reducing input lag and boosting responsiveness.
- Never In the Dark with Black Stabilizer - Never get caught off guard. Black Stabilizer enhances visibility in low-light scenes so you can spot threats before they see you.
- Advantage of Accuracy with Crosshair - Crosshair offers an accuracy advantage with center-display crosshairs that provide enhanced vision and precision for increased accuracy in first-person shooter games.
Also I'm on pc sorry and no i have not experienced any glitches with this monitor or hiccups at all response time is very good in both modes ...
Using default settings, it's pretty impressive. Both games run great and look great, easy on the eyes. Video playback looks great on it as well.
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“LG 27G810A-B 27” · inch Ultragear 4K UHD Gaming Monitor
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