Difference between IELTS and PTE In the PTE Academic you must: Write an argumentative essay of between 200 and 300 words in 20 minutes Recapitulate a slab of text into a single sentence in approximate 10 minutes Recapitulate a spoken lecture into 70 words in 10 minutes In IELTS Academic you must: Describe a graph/process in at least 150 words in 20 minutes Write a 250-word essay presented in various formats in 40 minutes There is a big difference between PTE and IELTS as unlike IELTS PTE is an online internet based test. More importantly, PTE is totally free of human intervention; it is a Computer-based computer-assessed test. All the items in PTE are machine scored. In a way, PTE is the new age language ability test that is free of any culture or native skill bias whereas other tests of similar nature involves human intervention at the same stage assessments can get influenced by external factors, such as appearance, personality, body language, flow of th...