The real reason your monitor feels underwhelming is hiding in plain sight.
I just bought a Dell U2715H monitor and the brightness varies considerably over the monitor. I took a photo of a uniform gray test pattern on-screen and used the Gimp eyedropper tool to measure RGB ...
If the screen brightness is dropping when using a Remote Desktop, execute the solutions given below. Disable adaptive brightness Modify your current power plan Increase Color Depth Use a Custom .RDP ...