Nope. You could stream your gameplay or you could have him watch as you play games or you can let him play games on your system...?
What are his specs btw? List them like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Probably your friend could benefit from a minor upgrade or his drivers are what's causing the drop in performance.