Summary

In comparison to a 20 inch 16x10 TV a 21.5 inch 16x9 is...

10% larger diagonally and 22% larger by area as a 16x9 display.

1% smaller diagonally and 1% smaller by area as a 4x3 display.


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Screen Size Comparison

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Size    


21.5 inch 16x9 display vs 20 inch 16x10 display



Buy From 21.5 inch 16x9 20 inch 16x10
Amazon21.5 Inch TV20 Inch TV
  
StatsUse cm 21.5 inch 16x9 20 inch 16x10
Width18.74 inches16.96 inches
Height10.54 inches10.60 inches
Area197.52 inches²179.78 inches²
As a 4:3 Display17.57 inches17.67 inches
As a 16:9 Display21.50 inches19.46 inches
As a 16:10 Display19.89 inches20.00 inches
As a 2.35:1 Display20.36 inches18.43 inches
  
In Comparison 21.5 inch 16x9 20 inch 16x10
Actual Aspect Ratios7.50% larger diagonal
9.87% larger area		6.98% smaller diagonal
8.98% smaller area
As a 4:3 Display0.56% smaller diagonal
1.12% smaller area		0.56% larger diagonal
1.13% larger area
As a 16:9 Display10.49% larger diagonal
22.08% larger area		9.49% smaller diagonal
18.09% smaller area
As a 16:10 Display0.56% smaller diagonal
1.12% smaller area		0.56% larger diagonal
1.13% larger area
As a 2.35:1 Display10.49% larger diagonal
22.08% larger area		9.49% smaller diagonal
18.09% smaller area
  
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