Comparing 4K vs 2K vs 1080p on YouTube. Yes, there is a quality difference! 4K 4K has FOUR TIMES as many pixels as 1080p and 2.25 times as 2K 4K is 2160p (3840×2160) exactly double 1080p (1920×1080) 2K 2K has almost twice as many pixels as 1080p (1.77 times more) 2K is 1440p (2560×1440) exactly … Continue reading 4K vs 2K vs 1080p – What is the difference on YouTube?