There are some differences in performance between VPS (Virtual Private Server) and cloud servers, but whether they are exactly the same depends on the specific configuration and provider. Here are some of the main differences between them:

　　Resource isolation:

　　Cloud servers use virtualization technology and resource pool management to achieve better resource isolation. Each cloud server has independent resource allocation. VPS is a virtual server divided on a physical server. Although it also has resource isolation, it may be affected by other VPS, especially when resource demand peaks.

　　Scalability:

　　Cloud servers usually have stronger scalability and elasticity, can quickly adjust resource configuration as needed, and support horizontal and vertical expansion. The resource configuration of VPS is usually fixed and cannot be adjusted in real time without affecting other VPS.

　　Reliability and high availability:

　　Cloud servers provide higher reliability and high availability through redundant and high-availability designs. When a node or server fails, the cloud server can automatically switch to other available nodes. The reliability and high availability of VPS are limited by the physical server where it is located. When the physical server fails, all VPS may become unavailable.

　　Network performance:

　　Cloud servers usually have better network performance and bandwidth and can provide faster network connections and data transfer speeds. The network performance of VPS depends on the network configuration and load of the physical server.

　　It should be noted that the performance of cloud servers and VPS also depends on the specific configuration, hardware equipment, network environment and provider's management strategy. Therefore, when choosing a server, in addition to considering the differences between VPS and cloud servers, you should also carefully evaluate the specific configuration and performance parameters to meet actual needs.