Is 2160p 4K or 2K? A Friendly Tech Guide - 33rd Square
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WEBNov 5, 2023 · 2160p (3840×2160) 8,294,400. 4K (4096×2160) 8,847,360. So in summary: 720p and 1080p are considered HD resolutions. 1440p is referred to as QHD/WQHD resolution. 2160p quadruples the pixels of 1080p, earning it the 4K label. True 4K has a few extra horizontal pixels, but 2160p is quite close.
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