Pixel Perfect 1080 upscaling?

[ManaSlayer]

Hi. I'm playing with the following settings enabled:

Lock aspect ratio
Force integer scaling
Interframe bleeding

High resolution scale: 8x (1920 x 1080)
Video renderer: OpenGL

I'm running on a 1920 by 1080 monitor.

Playing upscaled is cool because it makes certain effects pop in more detail, however I'm bothered by a nuanced detail.

The following link is a screenshot to the game I'm playing:

https://imgur.com/a/Az0g72r

If you notice the health bar on the left, you can see that certain lines of pixels will appear slightly bigger than others. It is also noticeable on the character's mouth during his idle animation.

I'm wondering if there is a way to run GBA games at this resolution without the unevenness of the pixels? The answer may be obvious, but I just wanted to ask in case someone here knew just to be sure 😅

[endrift]

This probably means that the image is being upscaled to larger than the window, somehow or other. Try turning it down to 7×. There will be a small border around the image, but the scaling artifacts shouldn't happen

[ManaSlayer]

This probably means that the image is being upscaled to larger than the window, somehow or other. Try turning it down to 7×. There will be a small border around the image, but the scaling artifacts shouldn't happen

When I turn it down to 7 it looks more or less the same.
This is the upscaling resolution we're talking about