
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
- Blazing Speed. Brilliant Color. Total Control. - Dominate the game with a 27" QHD IPS display built for speed, clarity, and precision. Enjoy…
- 27" QHD IPS Clarity - Enjoy crisp, detailed visuals with QHD (2560x1440) IPS resolution on a vibrant 27" IPS display. Wide viewing angles ke…
- Vivid Color and HDR Brilliance - Immerse yourself in lifelike visuals with up to 95% DCI-P3 color gamut and VESA DisplayHDR 400. Enjoy rich …
- 300Hz Refresh Rate for the Win - React faster and play smoother with a blistering 300Hz refresh rate—perfect for high-speed competitive gami…
- 1ms (GtG): Astounding Gaming Speed - Play with a near-instantaneous 1ms response time, which minimizes ghosting for gaming visuals that are …
Mubboo Value Score: 4.4/10
How it stacks up
Rated 4.3/5 — better than 10% of 31 Gaming Monitors we track. Mid-tier pricing at $297.26.
Head-to-Head vs Category Leader
| LG | Alienware (Leader) | |
|---|---|---|
| Price | $297.26 | $219.99 |
| Rating | 4.3/5 | 4.8/5 |
| Reviews | 171 | 381 |
| Mubboo Score | 4.4/10 | 5.3/10 |
The category leader Alienware 27 Gaming Monitor - AW2725DM - 27-inch Q offers better ratings at $219.99.
Quick Specs
- Color
- Black
- Shape
- Flat
- Brightness
- 400 Candela per Square Meter
- Resolution
- QHD Wide 1440p
- Color Gamut
- 95.0
- Item Weight
- 12.1 Pounds
- Screen Size
- 27 Inches
- Aspect Ratio
- 16:9
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Check for ghosting issues if you plan to play below the monitor's maximum refresh rate, and verify the stand's adjustability and built-in speaker availability before purchasing.
Rating reliability
About LG
- 52 products in our database
- Average rating: 4.4/5 across all products
- Price range: $79.95 – $3699
- Categories: 4K TVs, air-conditioners, Air Purifiers, analog-to-digital-dtv-converters, blu-ray-players-and-recorders, Brooms
Other Gaming Monitors




Frequently Asked Questions
Is the LG LG 27G640A-B 27-inch Ultragear QHD (2560 x 1440) IPS Gaming Monitor worth buying in 2026?
It earns a Mubboo Score of 4.4/10, with a 4.3/5 rating from 171 reviews — better than 10% of Gaming Monitors we track.
How much does the LG LG 27G640A-B 27-inch Ultragear QHD (2560 cost?
It is currently $297.26 — mid-tier pricing for Gaming Monitors.
How does it compare to the top-rated Gaming Monitors?
The category leader Alienware 27 Gaming Monitor - AW2725DM - 27-inch Q offers better ratings at $219.99.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync and may change.