Sliders are harder and hard to wear out so slippier and good for power slides hence the name sliders, grippers are softer and easier to wear down they stick to the ground more
sliders are harder, and rarey dehub, grippers are softer and feel great, there megasoft, but they dehub sometimes, ive had some last a year. but some people have dehubbed the in like 3 days, but there all warrantied for 90 days. i prefer grippers