When comparing LG 27UK850-W vs LG 34UC99-W, the Slant community recommends LG 27UK850-W for most people. In the question“What are the best monitors?” LG 27UK850-W is ranked 90th while LG 34UC99-W is ranked 91st. The most important reason people chose LG 27UK850-W is:
While gaming, you can eliminate screen tearing and reduce input lag thanks to the FreeSync compatibility of the 27UK850-W. FreeSync allows the monitor to synchronize its refresh rate to match the framerate of an AMD graphics card.
Specs
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Pros
Pro Has FreeSync
While gaming, you can eliminate screen tearing and reduce input lag thanks to the FreeSync compatibility of the 27UK850-W. FreeSync allows the monitor to synchronize its refresh rate to match the framerate of an AMD graphics card.
Pro Good picture quality
The overall picture quality of the LG 27UK850-W is better than average, compared to the majority of other monitors in this price bracket. The monitor offers excellent SDR performance and can reproduce good-looking pictures with reasonably bright highlights and inky blacks as well as some accurate colors.
Pro Good for multitasking
You can work with multiple windows at once thanks to a large amount of on-screen space the LG 34UC99-W offers. Its massive 34-inch 3440x1440 panel comes with a variety of split-screen presets that can fit multiple tabs.
Pro Immersive experience
The 34UC99-W creates that experience of immersion because it's large 34-inch widescreen panel is also curved. The display feels like it surrounds you.
Cons
Con Bad for HDR content
The LG 27UK850-W will not let you enjoy the full potential of HDR content because of its limited color gamut. The monitor supports only around 3/4 of the DCI-P3 color gamut that is used in HDR content.
Con Bad for competitive gaming
The LG 34UC99-W isn't responsive enough for it to be used in competitive action gaming because of its high input lag and low native refresh rate.