Hi Vishal Gaurav

You may find some excellent comparison between SVM  and GP in the below link. Author himself of GP did not claim GP is superior than SVM, but GP is a good candidate. 

http://www.gaussianprocess.org/gpml/chapters/RW6.pdf

Further, you can study how Gaussian process (GP) can be embedded with SVM for improved classification accuracy. 

https://www.researchgate.net/publication/313477313_Reliable_bearing_fault_diagnosis_using_Bayesian_inference-based_multi-class_support_vector_machines

Article Reliable bearing fault diagnosis using Bayesian inference-ba...