The interview starts with two programming problems, one using C++ and the other CUDA. (It was weird that the interviewer sent the problems at midnight the day before the interview.) This was followed by general questions about C++.
You need to be very familiar with C++.
The following metrics were computed from 53 interview experiences for the Nvidia Software Engineer (Internship) role in United States.
Nvidia's interview process for their Software Engineer (Internship) roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Nvidia's Software Engineer (Internship) interview process in United States.