Is 4k noticeable over 1080p?

Related questions

1. Does 1080p look blurry on 4k?
2. Is there a big difference between 1440p and 1080p?
3. What is HD resolution?
4. Does 16k resolution exist?
5. Is 1440p twice 1080p?
6. What's the highest resolution camera?
7. Can I use a 1440p monitor at 1080p?
8. What is 2k resolution and 4k resolution?
9. What is Quad HD resolution?
10. Is 2560x1440 better than 1920x1080?

Tags

1. #screen
2. #content
3. #screens
4. #distance
5. #1080p
6. #viewing
7. #optimal
8. #pixels
9. #picture