It really depends, you do not need a fancy computer depending in what you are working on, as long as you can get it done, most of the programmers will say that MAC is better because of the efficiency and speed working others say that windows is better because of the variety of tools that you can use either or both work fine as long as you can get your job done and also on wich one you prefer besides that also thing about maintenance in the feature will it be cheap, is easy to repair it, how much will cost, how much time will delay me to repair it and continue working? and if the fan of yor computer is loud you might be having problems cooling the PC and that is why the fan is working overtime to cool your PC,if it is the CPU I recommend you to do the proper maintenance and you did it then replace the cooler not for liquid for someting cheaper for those air coolers that look like tower I got one and my PC and temp changed from always 45 degres not doing nothing to 35 degress not doing nothing is a big change, so the real poblem is that your computer might be overheating, or change the fan for a noctua they are really quiet fans.