First question:
Your poor performance is because you have a middle of the range laptop graphics card. It can't compete with middle or high range desktop cards It's also about 4 years old.
Second question:
It's a bug in the driver.
Run:
root@kali ~$ cd /usr/share/nvidia/
root@kali /usr/share/nvidia$ cp nvidia-application-profiles-346.47-key-documentation nvidia-application-profiles-key-documentation