The Silhouette Cameo 4 features: up to 3xs the speed of the Cameo 3, a LED lit touch panel, 5000 grams of force vs. 250 grams in the Cameo 3, built in roll feeder, built in vinyl trimmer, upgraded one click auto blade, tool detection, dual motor system, built in cross cutter, and more. Please note this machine can be loud during operation. It can give off a grinding noise which is normal due to the servos. Cameo 4 does not work with Chromebook