Nanjing University of Posts and Telecommunications specializes in electronic science and technology, information and communication engineering and optical engineering.
Southwest University is good at animal husbandry, education, psychology, agricultural and forestry economic management, agricultural resources utilization, plant protection, geography, biology, horticulture, crop science, chemistry, Marxist theory, food science and engineering, mathematics, philosophy, history, China language and literature, ecology, foreign languages and literature, statistics, aquatic products, pharmacy and so on.
Of course, if we only look at the overall strength and don't look at the major, Southwest University is definitely better than Nanyou. After all, Southwest University is a national 2 1 1 engineering university.