Nah not really I mean my friend got 6 overall but she's not very fluent in English (the oral bit got her) and if you practise speaking and get a book for the IELTS it shouldn't be too hard
I don't know about the IELTS but I just took the TOEFL iBT and thought it was ridiculously easy (managed a 119/120 ) Make sure you know the format of the entire test, especially the speaking section, as it catches a lot of people off-guard. I'd suggest you complete at least 5 practice tests. Good luck