For example, the M5 processor in the newest MacBook Pro scores around 48,000 , compared with the Nvidia RTX GeForce 5080, which hit 181,959 in our testing. Windows vs MacBook: Watch out for software compatibilityAnecdotally, there may be more options available on Windows machines in terms of software for astronomy. While the MacBook Pro is a considerable step up from the Air, it's also more expensive. If you want the most powerful system that money can buy, a fully-specced MacBook Pro is incomparable. But you will likely find a much better deal on a premium Windows machine with a dedicated GPU.