For real performance assessment you are better off reading the technical reviews online and consider your own requirements.
To assess your own cards I would recommend tools like H2testw (and others). https://www.heise.de/download/product/h2testw-50539
H2testw is from German computer magazine 'ct' and checks the entire capacity of the card as well as the read/write speed by filling the card with loads of dummy files. You can adjust parameters to match your own scenario (images: lots of smaller files; video: fewer but larger files). Interface can be switches to English.