悉尼大学毕业有honour学位与没有honour学位想申请美国读硕士有区别吗

悉尼大学毕业有honour学位与没有honour学位想申请美国读硕士有区别吗 depends on the University at US and whether you are applying for Master by coursework or master by research.
Normally, in the case of Australia, if you just have a UG without honours, you may be able to study Master by coursework and most probably NOT Master by research.
This could be similar in the US ...