Resolution naming conventions: 4K vs 2160p
Just to explain confusion regarding naming conventions for resolution. Some producers put it as 3840 × 2160 while SLR and others specify it as 2160p.
4K might mean 3840 × 2160, 3840 × 1600, 4096 × 2160, 4096 × 1716, 3996 × 2160 or in our case additionally 3840 x 3840, 4096 x 4096.
2160p has only one meaning - video is exactly 2160 pixels in height.
To explain things in more simple way. Resolutions:
1) 4096 × 3072
2) 3656 × 2664
3) 3840 × 2160
"K" abbreviations for this resolutions:
1) 4K
2) 4K
3) 4K
"p" abbreviations for this resolutions:
1) 3072p
2) 2664p
3) 2160p