This research aims to assess the impact of supply chain capacity as well as supply chain capacity dynamics on competitiveness and business efficiency of manufactory enterprises in Vietnam. The Research has used multivariate analysis techniques (descriptive statistics, reliability test, factor analysis, regression analysis). Research results from 205 firms have indicated that supply chain capacity does not affect the competitive advantage of enterprises but positively affects business efficiency. Meanwhile, supply chain dynamic has a positive impact on competitive advantage and performance. From this study, the author also made some suggestions to improve the competitiveness and business efficiency.