This paper tests the relationships between competencies of new venture teams (NVTs) and venture performances in high-tech firms are different from those of low-tech fields. Results show that there is no significant relationship between competencies and performances in low-tech sample. Contrarily in high-tech sample: 1) NVT's leader's strategy competency relates to business growth and relationship competency relates to invest efficiency and business growth; 2) Member level's member individual competency, member complementary competency and balanced role distribution all relate to all venture performances; 3) Team level's team knowledge, team skill and team attitude all are related to business growth.