It is faster for you to learn Japanese than I learn English.
It would be faster for you to study and speak Japanese than you wait for me to do in English.
It is faster for you to learn Japanese than I learn English
だと、私が英語を習うのよりあなたが日本語を習ったほうが早い
という意味ですが
It would be faster for you to study and speak Japanese than you wait for me to do in English.
だと、あなたが勉強して日本語を話すほうが、私を待っているより早いと思うというニュアンスになります