What is the difference VSI5x stone crusher and Vsi crusher?

What is the difference VSI5x stone crusher and VSI stone crusher, PCL stone crusher are? And their respective production range and outlet range?

P series for the generation of sand sand machine, crushing chamber is small, solid low yield; VSI is now called B series, the hydraulic lift to the upper body, the whole may be accompanied by central feeding and central waterfall drop feed modes, complementary double pump oil; 5X is the latest generation of sand, now known as DR series, deep cavity, using a combined hammer and impact block diamond, the B series four-bearing spindle into three, there are also different in appearance, such as DR series round hopper, B series of polygons. P series production of about 10-70 tons, VSI output of about 10-90 tons.