The Top 5 LG Monitors Worth Shortlisting
A quick note before this list: the model numbers below are shown in their 27-inch avatar simply because that's the most common desk size. Most of these LG monitor series — UltraGear, UltraFine, and the QHD/UHD range — also come in other screen sizes. So think of these as your reference point for the series, not the only size available.
LG UltraGear 27GX790A-B This is the one for people whose "work day" quietly turns into a "gaming night." OLED panel, 480Hz refresh, 0.03ms response time. Overkill for a spreadsheet? Maybe. But scrolling and video calls have never looked this smooth
Key Features:
- 27 (68.58 cm) QHD (2560x1440) OLED display
- DisplayHDR True Black 400 / 1.5M:1 contrast ratio
- OLED with 480Hz refresh rate
- 0.03ms (GtG) response time
- NVIDIA® G-SYNC® Compatible / VESA Certified AdaptiveSync / AMD FreeSync™ Premium Pro
- Hexagon lighting design with space-saving L stand
LG UltraFine 27US550-W 4K UHD, IPS, virtually borderless. This is the monitor for people who stare at fine print all day — research, design, long documents — and want it to stay sharp without squinting.
Key Features:
- 27 (68.58 cm) UHD 4K (3840x2160) IPS display
- 2HDR10, DCI-P3 90% (Typ.)
- 2Brightness 300nits upgrade
- 23-side Virtually Borderless
- 2LG Switch
LG 27U631A-B QHD with USB-C and a 100Hz refresh rate. Plug in one cable, and you're working. No fuss, no extra adapters. A genuinely simple, sensible pick.
Key Features:
- 27 (68.58cm) QHD (2560 x 1440) IPS display
- sRGB 99% (Typ.) / 100Hz refresh rate
- USB-C (PD 15W)
- Reader Mode & Flicker Safe
- Tilt adjustable stand
- LG Switch app
LG 27UP850K-W 4K UHD with DisplayHDR 400 and Dynamic Action Sync. This one sits comfortably between "serious work monitor" and "good enough for a movie night."
Key Features:
- 68.58 cm(27) UHD 4K IPS display
- DCI-P3 95% (Typ.)
- VESA DisplayHDR™ 400
- USB-C
- Tilt, height and pivot adjustable stand
LG UltraWide 34U511A-B 21:9 aspect ratio, 34-inch canvas. This is the closest thing to a dual-monitor setup without actually buying two monitors. Spreadsheet on one half, browser on the other — no window-snapping gymnastics required.
Key Features:
- 86.36 cm (34) 21:9 WFHD (2560x1080) IPS Display
- 3-Side Virtually Borderless Design
- sRGB 99% (Typ.), Color Calibrated in factory
- 400nits (Typ.) Brightness / VESA DisplayHDR™ 400
- 100Hz Refresh Rate, 1ms MBR
Quick Comparison
| Model |
Reference Size |
Panel |
Resolution |
Refresh Rate |
Best Suited For |
| 27GX790A-B |
27" (also in other sizes) |
OLED |
QHD |
480Hz |
Work by day, gaming by night |
| 27US550-W |
27" (also in other sizes) |
IPS |
4K UHD |
Standard |
Detail-heavy, document-heavy work |
| 27U631A-B |
27" (also in other sizes) |
IPS |
QHD |
100Hz |
Simple, single-cable everyday use |
| 27UP850K-W |
27" (also in other sizes) |
IPS |
4K UHD |
Standard |
Balance of work and entertainment |
| 34U511A-B |
34" |
IPS |
WFHD (2560x1080) |
Standard |
Multitasking without a second screen |