The resolution difference from 1080p to 4K is more noticeable than the difference from 4K to 8K due to the significant increase in the number of pixels. 1080p resolution has approximately 2 million pixels, while 4K resolution has around 8 million pixels, a fourfold increase. This dramatic jump in pixel count results in a much sharper and more detailed image, making the difference between 1080p and 4K highly noticeable.
However, the transition from 4K to 8K, which has around 33 million pixels, is not as dramatic in terms of perceived visual quality. The human eye can only discern a certain level of detail, and the additional pixels in 8K may not provide a significantly more noticeable improvement in image quality, especially on smaller screens or when viewed from a distance. The upscaling capabilities of 4K displays have also improved, making the difference between native 4K content and upscaled 1080p content less pronounced.