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