For example, it cannot run 64-bit traditional ARM applications. It works with 32-bit, but we all know that this is not all. The use of a much more affordable architecture requires, however, to create an environment that Windows will be responsible for. The question is also whether at the right time for Microsoft there will be enough powerful ARM systems that will be able to pull the "mare" which will be emulation of 64-bit applications on Windows 10 working with the ARM processor.
I'm afraid of only one thing here – Microsoft is unlikely to "save" Surface Pro X – this device looks more to me as a show of the giant's strength, as if it wanted to piss off Apple and Google at the same time showing that "maybe", but … not entirely. I will say it again: Surface Pro X is great but limited by software.
Read more: Or maybe we don't need Surface Duo / Neo?
The problem may also be Windows itself, which at this point, although it is becoming a really mature software, should nevertheless be considered in the categories of a patchwork of Microsoft's many years of work with a new vision. A lot of things can go wrong during the implementation of the environment that allows you to run 64-bit applications on Windows 10 @ ARM – from delays to such "failures" as the unsatisfactory quality of these programs. As the initial information shows, support for 64-bit applications in Windows 10 ARM would appear in the 21H1 chain, i.e. in the first half of 2021. Late.
How will this work?
Emulation of a 64-bit environment on ARM consumes much more resources than the same operation that is performed with 32 bits. Unfortunately, we will not overcome certain rules. It seemed up to a point that 32-bit emulation for Microsoft was enough, and he himself is counting on the fact that developers will start to create applications for Windows also with ARM in mind. This second assumption could be a bit naive – just as Microsoft believed that developers would be interested in Windows Phone / Windows 10 Mobile, and we know how it went.
I wouldn't want to test this on Surface Pro X because of my weak nerves. But will the ARM processors from 2021 (2020 in fact) year have sufficient performance that will allow comfortable emulation of the 64-bit environment in Windows 10 on ARM? Microsoft can say "ups, things will take a while" or just forget about the matter or say "soon" over and over again. Let it not happen.
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