IELTS are divided two parts:-
Academic ielts is a mandatory for student visa for any country.
Genaral helps to fetch permanent residency worlwide.
PTE: PTE is an english language test designed by person education to asses the readiness of non-native english speakers to participate in a university level english language instruction program. PTE is a leading computer-based test for international study. They test the four skills: reading, writing, listening, and speaking. there are six levels which are mapped to the common.