What to watch for at today's Apple silicon Mac event How fast is fast? Apple is surely going to tout some impressive benchmarks for these Macs. But hopefully we'll also see something more real-world — head-to-head comparisons work best when they're done with applications people actually use in ways that tangibly show the speed difference. How about battery life? One big benefit of Apple's silicon is that we know it's likely to be much more power-efficient than Intel's chips. However, Apple could architect these chips in any number of ways that could kill a battery in the name of faster performance — or make it too slow in the name of battery life. Watch carefully to see if Apple thinks it can get the best of both worlds or if it's tilting the scales one way or another. Now that many of us are using iPads full-time for work, we're finding that you can kill them off in a single workday. iPadOS was built to run only on battery power from the start, but macOS needs to run on both battery and the mains. Can it be made efficient enough to match the iPad's battery life? What will the graphics situation be? Apple has been using either integrated Intel or discrete AMD GPUs for a very long time on the Mac, but it's been using its own stuff on the iPhone and iPad with some fairly incredible results. The difference, though, is that fewer Mac apps are likely to use the right kind of code to get the most out of whatever Apple puts in these Macs. Keep an eye out for what apps Apple demos and what apps it does not (and yes, I'm talking about Adobe's Creative Suite here). See if there's LTE or 5G: It's a stretch, but using the same processors as the iPhone and iPad theoretically makes it easier to integrate cellular radios. And Apple did buy Intel's entire 5G modem business. My bet is it won't happen this round, but if it does it'll be another sign of just how serious Apple is about these Macs. What about Rosetta? Apple is going to automatically make apps designed for Intel chips work on its Arm chips using a translation layer called Rosetta 2. Keep an eye on what apps get shown off there too — and for a bonus, see if you can spot any slowdowns outside of that one particular app. This is one place where I really do wish we were at a live keynote instead of a pre-recorded livestream. Live demos are of course heavily tested and scripted, but I've seen enough of them go sideways to know that they're also usually real. If something goes sideways in the Rosetta 2 demo, it's probably a safe bet Apple would just re-shoot it. Big Sur is a big question mark. Apple's newest operating system for the Mac will obviously be a requirement for these new MacBooks, but I can tell you from experience that the betas have been rockier than usual. Will the OS be stable enough for release? See if Catalyst is brought up. Catalyst, if you don't recall, is one of the ways Apple is trying to bring iPad apps over to the Mac, by offering developers a framework to re-use their iPad code in a Mac app. That's a very oversimplified explanation, but so far Catalyst apps have been a fairly big bummer so there's no need to rehash it all again. It's possible that Apple will continue to only half-heartedly support it (instead of going all-in as I hoped it would) because something "better" is happening on Arm-based Macs. To wit: See if iPad and iPhone apps are any good. Macs running Apple Silicon will be able to natively run iPad and iPhone apps. There's any number of ways this could happen, from a full-on iOS instance running behind Big Sur to including just enough pieces of the iOS subsystem to make apps work. Everything in that spectrum has advantages and disadvantages. But assuming performance is solid, the big question will be whether these iPad and iPhone apps feel like aliens dropped onto a Macintosh planet. One big knock on Catalyst apps is they're not Mac-like enough, and iPad apps won't be Mac-like at all. Big Sur looks more like iPadOS than ever, but will that be enough to make iPad apps feel at home? See what iPad and iPhone apps are actually available. By default, any iPad or iPhone app should theoretically be available for Arm-based Macs — but developers can opt their apps out. Last night 9to5Mac reported that many of the apps you might have hoped for are already opted out. YouTube, Google Maps, Gmail, Snapchat, Disney+, Amazon Prime Video, Facebook, Instagram, Among Us, and even Candy Crush all reportedly won't be available for the Mac at launch. A charitable reading could be that these companies want to ensure their iOS apps offer a good experience on the Mac desktop. A less charitable reading is they believe there's no such thing as a good iOS app experience on a Mac desktop. And a conspiratorial (but not necessarily wrong!) reading is that all these companies know they can collect more data on you through a desktop web browser than they can through a native iOS app. See what the release date and pricing will be — and wait for reviews. Last but not least, let's see if Apple can get these out the door on time and at a reasonable price. And my personal advice (which I swear isn't being given because I'm a reviewer) is to wait for reviews before purchasing. Hell, I would recommend you wait a year or more if you have a computer that works for you right now. Right now I have more faith than I expected that Apple is going to quickly and successfully navigate this transition, but even in the best possible case it's going to be a little rocky here and there, with apps you depend on unexpectedly not working or working poorly. That thing happens all the time with new versions of an OS — it will only compound when you throw an entirely new processor architecture into the mix. If Apple truly wows us with performance, sticking to that "wait and see" approach could be hard for a lot of us. And given the confidence required to put out a MacBook Pro right away, I bet Apple doesn't want to make it easy to wait. | 
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