If your monitor needs a VGA cable, then your GPU needs a VGA port. If your GPU doesn't have a VGA port but it has HDMI, then you need to buy a HDMI to VGA adapter to connect your GPU to your monitor.
If your monitor needs a VGA cable, then your GPU needs a VGA port. If your GPU doesn't have a VGA port but it has HDMI, then you need to buy a HDMI to VGA adapter to connect your GPU to your monitor.