Here is the full list of all 20 EVGA PrecisionX 16 achievements.
Overclock your graphics card
Set a negative clock offset on GPU or Memory
Set power target to maximum value
Use the default button
Use the monitoring function to monitor every item on OSD
Press 'Check now' for available updates
Reach a GPU Temperature of 10 degrees celsius or lower
Adjusted GPU clock equals exactly 1337MHz
Open Precision X on a system that has 4 or more GPU's
Disable interface tooltips
Set a custom voltage
Set a custom fan curve
Successfully use the TEST button
Enable Frame Rate Target
Open Precision X on a system that has 2 of the same GPU's
Set 100% fanspeed
Use the screen capture function
Save an overclock profile
Use the keyboard to type in a value
Overclock Memory by +300MHz or higher offset