In our experience this will ultimately dependent on how the company views you, which follows from its culture. The reality is that not all companies are like this. Some companies treat people as people and do whatever is required to ensure that they are able to develop to their fullest potential. The financials do matter. You can and should consider them as one part of several in your total compensation package.
Some companies have complex compensation plans.
It's doubtful that anyone understands these in enough detail to make accurate comparisons between competing offers. In this book Kidder documents a very telling exchange between an engineering manager and Ed DeCastro, who was at the time the CEO of Data General. The engineering manager was pleading with DeCastro to buy an oscilloscope so that the team could finish the development of the computer system they were building. Everyone was burned out and they were chasing a very elusive problem. Not all companies are like this.