Speaking of Cloud VPS vs VPS. VPS is a virtual private server where each client is given a dedicated space in the server; the resources CPU, Memory, storage is accessed through a control panel. And you can upgrade to another VPS plan as per your need; you can install some software if need be.
In cloud VPS, multiple VPS hosts are interconnected to each other through redundant networks that if one VPS host fails, it can be moved to another host. It is assembled and configured with the dedicated resources, along with other factors like full root access, high-speed SSD contribute to increased performance.