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A high-definition TV has 1920 columns and 1080 lines of resolution. A US standard definition TV has has 640 columns and 480 lines.

How many times more pixels are there in HD compared to SD?

1 Answer

4 votes

Answer: 6.75 times

Step-by-step explanation:

hd 1920 x 1080 = 2,073,600 pixels

standard 640 x 480 = 30,7200

2,073,600 / 307,200 = 6.75

User Kunashir
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