If you need the horsepower, you can get a T4XXp. 940MX is already somewhat outdated and will age quickly, for people who do need the horsepower. nVidia graphic

If you need the horsepower, you can get a T4XXp. 940MX is already somewhat outdated and will age quickly, for people who do need the horsepower. nVidia graphics mean poorer libre graphics driver support on Linux, compared to Intel graphics drivers, not to mention the battery hit. If you're a developer looking to buy a programming workhorse, Intel graphics are a better choice.