Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.
Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.
You can learn more at our glossary entry.
Maximum effective ISO test data courtesy of DxO Mark.EOS M5 test data on DxO Mark G9X Mark II test data on DxO Mark
Cameras with longer battery life can take more photos before exhausting their batteries.
Enthusiast-oriented compact camera body; Good image quality in most situations; Built-in electronic viewfinder; Impressive Dual Pixel CMOS AF; Very good overall performance.
High ISO image quality and dynamic range aren't quite up to par with some of its competition; No 4K video recording; Native EF-M lens selection is still limited; Below average battery life.
Impressive image quality; Improved JPEGs and good high ISO quality for its class; Compact camera body; Fast maximum aperture; Reliable autofocus; Improved performance.
No tilting display; No viewfinder; Lens is not very wide; Slow buffer clearing; Mediocre battery life.