Edge Smoothing 4k, 1080p
Crops with a size of 280×280 from 4k screenshots and another scene at 1080p, of 12 different Shaders in the “edge-smoothing”-directory. Plus nearest and bilinear for reference. These type of Shaders focus on enhancing the image by trying to reduce the pixelated look. Works great with big and detailed 2D artwork.
Scene: King of Fighters 99 #Rainy Day
The King of Fighters ’99 – Millennium Battle (NGH-2510) / kof99h on Neo Geo AES. The crop is the standing position of fighter K’ at the garden stage.

Imgsli is an external service with the ability to zoom in and change the images to compare. I’ve uploaded sets with fullscreen captures.
- Edge Smoothing 4k Set 1 Full Images on Imgsli:
cleanEdge-scale, hq4x, omniscale, sabr, scalefx-9x, scalefx, scalefx-hybrid, 4xScaleHQ, scale3x, 4xbrz-linear, xbrz-freescale, xbr-lv3-sharp


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bilinear


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edge-smoothing/omniscale/omniscale


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edge-smoothing/scalehq/4xScaleHQ


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edge-smoothing/scalefx/scalefx-hybrid


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edge-smoothing/xbrz/xbrz-freescale


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edge-smoothing/scalenx/scale3x


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edge-smoothing/xbrz/4xbrz-linear
Scene: DoDonPachi 3 #Bullet Time
DoDonPachi III (World, 2002.05.15 Master Ver) / ddp3 on Arcade. The crop shows bottom part with the grid background for bombs and the ship in view.

Imgsli is an external service with the ability to zoom in and change the images to compare. I’ve uploaded sets with fullscreen captures.
- Edge Smoothing 1080p Set 2 Full Images on Imgsli:
cleanEdge-scale, hq4x, omniscale, sabr, scalefx-9x, scalefx, scalefx-hybrid, 4xScaleHQ, scale3x, 4xbrz-linear, xbrz-freescale, xbr-lv3-sharp


| vs |
bilinear


| vs |
edge-smoothing/omniscale/omniscale


| vs |
edge-smoothing/scalehq/4xScaleHQ


| vs |
edge-smoothing/scalefx/scalefx-hybrid


| vs |
edge-smoothing/xbrz/xbrz-freescale


| vs |
edge-smoothing/scalenx/scale3x


| vs |
edge-smoothing/xbrz/4xbrz-linear

What a fantastic series! Have you done a similar series for the NES, Sega Master System, and Sega Genesis/Mega Drive? I would love to see the comparisons between those consoles and emulators of said consoles!
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Thank you. Right, the variety on systems (especially handhelds) is something that is missing. I had to limit to a few scenes here, because I made a screenshot for every Shader Preset (690) 4 times for each resolution. With future articles I will focus on more systems rather than covering all Shaders.
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Amazing post with everything weel explained!
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Very useful post, thank you! Any chance you’ve uploaded the whole picture set somewhere?
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At the time of posting, the Internet Archive was broken.
Edit:
Never mind, I finally managed to upload them all to the Internet Archive: https://archive.org/details/showcase_for_retroarch_shaders_2024_screenshot_sets_202504
If you experience slow downloads, using a VPN set to the US might help. That’s because the Internet Archive throttles download and upload speeds to outside the US.
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