AMD has stated such:
The difference :
Also,as quoted by Brad Chacos from PCWorld:
As you can see, Radeon Crimson 16.7.1 doesn’t hinder performance whatsoever. In fact, in most scenarios performance actually improves thanks to optimizations made in the driver—even when the more stringent Compatibility mode is enabled. Bravo!
Speaking of the performance increase,the card performs more with the new Crimson 16.7.1 than the old 16.6.2 even when the low profile is activated.
And the power draw issue has been fixed at least measured by PCPer and Tom’s Hardware when using the latest drivers.
|Image by Tom’s Hardware.|
It is also declared that there’s been 1.8% increase power consumption for a 3% of overall increase is performance with the help of the new driver which allows the card to run at a bit higher clock speeds.
So we recommend to try out the new Crimson 16.7.1.