It is a 20.3 Megapixel mirrorless interchangeable lens camera using the Samsung NX-mount.

[1] The NX20 is comparable in weight and size with cameras such as the Sony NEX, Nikon 1 and the Micro Four Thirds series of cameras.

[1][2] The NX20 includes the i-Function lens control system and a built-in WiFi for connection to online services such as email and social networking.

[3][4][5] The NX30 is similar to its predecessor, the Samsung NX20, but has fast hybrid autofocus which Samsung claims can detect an object in only 80ms.

[6] In addition to this advanced phase-detect/contrast-detect hybrid autofocus system, but it has improved ISO range,[7] better continuous shooting speed (8 vs 9 fps), Full HD videos @ 60fps (NX20 being limited to 30fps only), a higher resolution display and tiltable viewfinder.