Which way is faster? If elseif or select case

Question

For the following code,

If Sheets(\"sheet1\").Range(\"A1\").Value = \"option_1\" Then
    Sheets(\"sheet1\").Range(\"A1\").Value = \"option_2\"
ElseIf Sheets         


        

Answer 1

I ran multiple scenarios comparing the "IF" statement with the "Case" statement using a simple "for loop" and "mod" function. The scenarios vary in the number of records checked and the number of conditions (# of ifElse/# of cases). The table below shows the scenarios and the results for each scenario. Note that the speed mentioned in the table is the average of 100 runs.

We can see that the "IF" statement and "Case" statement are almost similar in performance. The "IF" statement slightly beats the "Case" statement (~5% faster).

Excel Version: Office 365 version 1908 build 11929.20300

Processor Used: Intel i9-9900K