Performance enhancement for high speed computing can be carried out by using many techniques and architectures at software and high hardware level. Performance enhancement using hardware techniques may include the use of multiple computing nodes or a single node consisting of multiple processors. Symmetric multiprocessor is one of the modern architectures used to perform extensive computations. Symmetric multiprocessors have many configuration modes to carry out these heavy computations. The performance of Symmetric multiprocessors is analyzed and compared with high-fidelity models. Processors models are used to design and construct the architectures of symmetric multiprocessors. In this research paper such kind of critical design aspects of symmetric multi processors have been analyzed for further enhancement of the existing technology.