While you will undoubtedly need a 4K set to see the true benefits of Project Scorpio, you will get many enhances textures, geometry, and effects on standard HD displays. These images show enhancements Scorpio can make to existing Xbox One titles by virtue of resolution bumps alone, without any additional tweaking and features that utilize Scorpio's monstrous specs.

Native 4K Uncompressed Screengrab

Xbox One

4k on Scorpio (Image is 1080p)

1080p Supersampled Scorpio

Xbox One 1080p

Scorpio 4k Upgraded (1080p Image)
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This is what Xbox games look like on 'Project Scorpio,' on 4K and 1080p displays (exclusive images) | Windows Central