Most
Longer 2cm
More pleasant round shape for grip
Better sensitivity than the original pen (but the latter varies pen pen) The sensitivity of the pen can settle, a non-trivial way, see xda forum.
The least
Cheap Aspect (100% plastic). No silver coating but at least there will not wear the aspect (one starts with relatively low)
The pen is fully functional even if the tip has the most rickety air than on the original pen (it depends may be the way in which the mine is inserted (not yet changee)