begin{frame}{Comparison}
    pause
    begin{minipage}[t]{0.48linewidth}
        Pros:
        begin{itemize}[<+->]
            pause
            item 1
            item 2
            item 3
        end{itemize}
    end{minipage}
    hfill
    begin{minipage}[t]{0.48linewidth}
        Cons:
        begin{itemize}[<+->]
            item 1
            item 2
            item 3
        end{itemize}
    end{minipage}
end{frame}