Summary

In comparison to a 30 inch 21x9 TV a 40 inch 21x9 is...

33% larger diagonally and 78% larger by area as a 16x9 display.

33% larger diagonally and 78% larger by area as a 4x3 display.


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Screen Size Comparison

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40 inch 21x9 display vs 30 inch 21x9 display



Buy From 40 inch 21x9 30 inch 21x9
Amazon40 Inch TV30 Inch TV
  
StatsUse cm 40 inch 21x9 30 inch 21x9
Width36.77 inches27.57 inches
Height15.76 inches11.82 inches
Area579.31 inches²325.86 inches²
As a 4:3 Display26.26 inches19.70 inches
As a 16:9 Display32.14 inches24.10 inches
As a 2.35:1 Display39.96 inches29.97 inches
  
In Comparison 40 inch 21x9 30 inch 21x9
Actual Aspect Ratios33.33% larger diagonal
77.78% larger area
25.00% smaller diagonal
43.75% smaller area
As a 4:3 Display33.33% larger diagonal
77.78% larger area
25.00% smaller diagonal
43.75% smaller area
As a 16:9 Display33.33% larger diagonal
77.78% larger area
25.00% smaller diagonal
43.75% smaller area
As a 2.35:1 Display33.33% larger diagonal
77.78% larger area
25.00% smaller diagonal
43.75% smaller area
  
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