"At 40 inch (100 cm) distance, the circumference of a vision circle becomes 251 inches, where distinction immediately drops to 0.0116 inches and eye provides only 86 DPI resolution! If it will be viewed from min. 40 inch distance, a professional print-shop photo at 90-100 DPI should be sufficient too."
1080p: 81.59 ppi
1440p: 108.79 ppi
ako ne sjediš metar i po od monitora, nek se grafa znoji