💭 ShopSavvy TLDR Reviews

Expertly researched reviews about products you're interested in, condensed down to a score, pros/cons and a bottom line.

🔥 Trending Deals

Loading trending deals...

LG 27G640A-B 27-inch Ultragear QHD (2560 x 1440) IPS Gaming Monitor, 300Hz, 1ms, NVIDIA G-Sync, AMD FreeSync Premium, VESA DisplayHDR 400, HDMI 2.1, USB Type-C, Tilt/Height/Swivel/Pivot Stand, Black

TLDR Review: LG Ultragear 27G640A-B Monitor

Item: LG Ultragear 27G640A-B Monitor
Author: ShopSavvy

By ShopSavvy Team

Published: February 3rd, 2026

Pros

•Blazing fast 300Hz refresh rate and 1ms response time make this a dream for competitive 1440p gaming.
•Excellent color accuracy, deep blacks, and good brightness, especially suited for darker environments.
•Sturdy, weluilt stand offering tilt, height, swivel, and pivot adjustments for comfortable setups.
•Supports both NVIDIA ync and AMD FreeSync Premium, providing smooth tear-free gaming across GPUs.
•Includes versatile connectivity options like HDMI 2.1, DisplayPort, and USB Typ, great for multi-device use.
•Minimal IPS glow and light bleed, resulting in strong screen uniformity and sharp image clarity.
•Easo-use controls via a single joystick button make adjusting settings intuitive.
•USB ports add convenience for peripherals and accessories.
•Comes with DisplayHDR 400 certification, delivering decent HDR experience for miier monitors.
•Overall great value for hignd gaming when found at a reasonable price.

Cons

•Several users report a frustrating black screen flicker or flashing issue lasting seconds, often unresolved by typical troubleshooting.
•Some units experience occasional vertical screen glitches or artifacts.
•Builn speakers are underwhelming, described as low-quality and barely passable for basic audio needs.
•Brightness uniformity can be inconsistent across different parts of the screen.
•Stand, while sturdy, can feel a bit stiff or slightly wobbly in some cases.
•The aggressive energaving sleep mode might cause the screen to turn off too quickly, requiring manual tweaks.
•Dead pixels have been noted but tend to be minor and not disruptive in daily use.
•Overall quality control seems spotty, with replacement units sometimes exhibiting the same hardware issues.
•Not the best banor-the-buck if buying at full retail price—better deals or alternatives might offer more balanced features.

Bottom Line

The LG 27G640A-B is a powerhouse for serious gamers craving buttery-smooth 300Hz performance with solid 1440p image quality and versatile connectivity. However, its recurring flicker and glitch issues might drive you mad if you’re all about reliability. If the price feels steep, waiting for a deal or considering alternatives with more consistent quality control could be wise. For those prioritizing flawless, ultra-high refresh gaming and HDR in one package, this monitor is worthy of your attention—just be ready to manage the quirks.