Summary

In comparison to a 40 inch 21x9 TV a 30 inch 16x10 is...

9% smaller diagonally and 18% smaller by area as a 16x9 display.

1% larger diagonally and 2% larger by area as a 4x3 display.


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Screen Size Comparison

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Size    


30 inch 16x10 display vs 40 inch 21x9 display



Buy From 30 inch 16x10 40 inch 21x9
Amazon30 Inch TV40 Inch TV
  
StatsUse cm 30 inch 16x10 40 inch 21x9
Width25.44 inches36.77 inches
Height15.90 inches15.76 inches
Area404.49 inches²579.31 inches²
As a 4:3 Display26.50 inches26.26 inches
As a 16:9 Display29.19 inches32.14 inches
As a 16:10 Display30.00 inches29.73 inches
As a 2.35:1 Display27.65 inches39.96 inches
  
In Comparison 30 inch 16x10 40 inch 21x9
Actual Aspect Ratios25.00% smaller diagonal
30.18% smaller area		33.33% larger diagonal
43.22% larger area
As a 4:3 Display0.91% larger diagonal
1.83% larger area		0.90% smaller diagonal
1.79% smaller area
As a 16:9 Display9.18% smaller diagonal
17.52% smaller area		10.11% larger diagonal
21.24% larger area
As a 16:10 Display0.91% larger diagonal
1.83% larger area		0.90% smaller diagonal
1.79% smaller area
As a 2.35:1 Display30.81% smaller diagonal
52.12% smaller area		44.52% larger diagonal
108.86% larger area
  
Share your Comparison30 inch 16x10 display vs 40 inch 21x9 display