\adjustbox{valign=t, margin=1ex,
padding=1ex}{\includegraphics[scale=.07]{data/vulkan.png}} &
\adjustbox{valign=t, margin=1ex,
padding=1ex}{\includegraphics[scale=.07]{data/opengl.png}}\\
\end{tabularx}
\end{table}
\adjustbox{valign=t, margin=1ex,
padding=1ex}{\includegraphics[scale=.07]{data/vulkan.png}} &
\adjustbox{valign=t, margin=1ex,
padding=1ex}{\includegraphics[scale=.07]{data/opengl.png}}\\
\end{tabularx}
\end{table}