When comparing LG 27MD5KA-B vs LG 27UK850-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 27MD5KA-B is ranked 196th. 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 Sharp pictures
On this monitor, the pictures appear incredibly sharp thanks to the enormously high pixel density of the LG 27MD5KA-B. The monitor's pixel density measures at 217.57 pixels per inch which corresponds even to the high standards of the Apple's Retina displays.
Pro Can power laptop
The LG 27MD5KA-B does have enough juice to power a laptop through its Thunderbolt3 compatible USB-C port. Through a single cable, the monitor can receive a video signal from a 2018's MacBook Pro, power it, and work as a USB hub.
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.
Cons
Con Lacks HDMI and DisplayPort
The only way to connect external hardware to this monitor is to use one of its USB-C ports.
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.