Check the best review sites:http://www.tftcentral.co.uk/reviews.htmhttp://www.prad.de/new/monitore/testberichte.htmlStandard gamut:-Dell U2515H 8-bit panel 2560x1440 $349.60-Dell P2415Q 10-bit(8-bit+FRC) 3840x2160 $379.99(GPU must have DisplayPort for 4k in 60Hz)Wide gamut:-Dell UP2516D 10-bit(8-bit+FRC) 2560x1440 $349.99Must use an i1Display Pro to proper calibrate.If are going to use HDMI make sure to proper configure driver/monitor.https://pcmonitors.info/articles/correcting-hdmi-colour-on-nvidia-and-amd-gpus/