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Photoshop Window on the 2560x1440 display will be larger than the Photoshop Window one the 1920x1080 display but the icons and text in the window will be the same size as on the 1920x1080 display. Photoshop UI elements will display the same size one both displays. If the display have the same ppi Resolution the 2560x1440 display will be larger then the 1920x1080 display. Element in Photoshop UI will also be smaller on the 2560x1440 display then on the 1920x1080 display. If you display a 1920x1080 on the 2560x1440 display the image will not fill the display and it will be smaller than what you see on the 1920x1080 display. The display have different ppi resolution. Best Second Monitor LG 27QN600-B: Runner-Up Best Secondary Monitor Acer CB242Y: Best Cheap Second Monitor Sceptre E248W-19203R: Screen Size: 27 inches: 23.8 inches: 24 inches: Resolution: 2560 x 1440 pixels: 1920 x 1080 pixels: 1920 x 1080 pixels: Refresh Rate: 75 Hz: 60 Hz: 60 Hz: Color Support: 16.7 million colors: 16.7 million colors: 16.
If both are 15" displays both display 15" 16:9 Images.
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So both displays display an image that has a 16:9 Aspect Ratio The 2560x1440 display displays a16:9 image that more Pixels then the 1920x1080 display can display. One display displays an image that has 2560px by 1440px the other a image that has 1920px by 1080px. 14 are a number of pixels not actually pixels density resolution.
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