Welcome to the forums, newcomer!
Since you have the RTX3060Ti, the upgrade wouldn't be worthwhile with the RTX4070 Super. In fact you should be fine as is...though what does the rest of your specs look like?
Please list the specs to your current build like so:
When posting a thread of troubleshooting nature, it's customary to include your full system's specs. Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
include the age of the PSU apart from it's make and model. BIOS version for your motherboard at this moment of time.