This makes sense technically, except we recently had two top tier Dell machines on a shoot. They out-spec'd my MacBook 15" yet both failed. One was not stable when tethered and the other kept crashing under Lightroom. We ended up using my 13" touchbar, which I had in my car. It worked perfectly.
On a totally different note, and a rather obscure one...we were working with a Celestron SCT telescope (among others) and setting them up with the GPS apps, sky portal and so on. Again, PC meltdowns, failure to connect, crashes while the Macs went on working without a glitch. It's REALLY hard to go back to PC when these things happen.
This is what makes a MBP "top tier" for many users and the PC is simply unacceptable. In a few days I'm shooting for a Tiffany designer. No way would I risk using a PC for that. The vast majority of the ginormous media industry is looking for the most seamless integration of specification and this is why Mac sits at the top still. This is also why, when visiting a big movie set, I primarily see Mac. Stability is everything for a professional.
I don't bash PC's. But they continue to get dumped on by the high end market because of 1) Windows. 2) Ongoing poor quality control for even the major brands. But just like the iPhone, I expect this will change. The iPhone is not even CLOSE to being the best phone anymore. Android is better and so are some of the phones. And I say that owning both. I think PC will catch Mac eventually, but where not there yet.
R.
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You also say that "you see no difference" when running Photoshop, but have you run it tethered with a Canon 5Ds and Nikon D5 while switching between them? Have you done this while trying to output to a 4K monitor on a location shoot? As I said, the XPS 15 from Dell failed us big time. They cost over 3K each! And I know for a fact that issues like this are very common. It's not Dell's fault. It's windows. But even my MacBook Air can do this stuff without a hitch.
R
I am an ex-ex mac user who is returning to a mac (MBP 15 3.1ghz/1tb/560) after 17 years for the exact reasons you outlined. Dell's quality control and incompetence with my two XPS 15s over a 2-3 month period made me swear my next computer would be a Mac. I'm a man of my word and that's what I done did. I will be writing a column about this experience on notebookcheck, and I will give my thoughts on the transition and hardware. If my Mac has quality control issues, though, you also be assured I won't give Apple a second second chance. Not on a US$3400 computer.