My monitor has a 1920x1080 at 60Hz although, I was wondering if I could push that to 75Hz at at lower resolution like 1280x720 or 1024x576 because my monitor already has a 75Hz option although, it is interlaced so I was wondering if I could do it without the interlacing to get a 16:9 aspect ratio.
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This mainly relates to television rather than computer graphics, but 'Interlaced' is actually a 'cheaper' option - it means the scan takes two passes to complete the screen redraw - it draws the even-numbered lines in one pass & the odd-numbered in the next. 'Progressive' is the more complete option, which fills the screen top to bottom with each pass.
In effect 75Hz interlaced is doing less work than 60Hz progressive. It's taking two passes to fill the screen, so though you won't really be able to see it, it's only fully updating the image at 37.5 Hz.
Stick to 60. On an LCD screen with only "Full HD" resolution, that's sufficient.
For televisions, this is what's referred to by 720p, 720i, or 1080p, 1080i etc.
Tetsujin
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