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