The aim of the research is to find out the difference of phonological performance between Banyumas and Semarang EFL learners in pronunciation of English consonants. This study uses qualitative descriptive method. It is carried out in March until April. The samples for this research were 30 students of English Education Department of Walisongo State Islamic University by using purposive sampling technique. The instruments for collecting the data were test. The test that is used by the researcher is pronunciation test. The material test consists of two texts and two groups of English vocabulary which contain English consonants. The technique which is used to analyze the data was Contrastive analysis (CA). According to the result of the study, it is found that (1)some sounds in English resemble with the dialects, (2)some English sounds are absent in Banyumas and Semarang dialect, (3)special characteristics in Banyumas and Semarang dialect, (4)the characteristic of Banyumas and Semarang learners pronounced the words as spelled, (5)the sounds which are pronounced correctly by Banyumas and Semarang learners. This research can be used in pedagogical aim.