alt Hacker News> At least right now, there isn't a competitive x86 chip
I don't think there will ever be a competitive x86 chip. ARM is eating the world piece by piece. The only reason the Steam Deck is running x86 is because it's not performant enough with two translations (Windows to Linux, x86 to ARM). Valve is very wisely starting the switch with a VR headset, a far less popular device than its already niche Steam Deck. The next Steam Deck might already switch to ARM looking at what they announced last week.
x86 is on the way out. Not in two years, perhaps not in ten years. But there will come a time where the economics no longer make sense and no one can afford to develop competitive chips for the server+gamers market alone. Then x86 is truly dead.
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My problem with this take is that it takes ARM > x86 as some kind of given, like there is an inherent flaw with the x6-64 ISA that means a chip that provides it can never be competitive with ARM on power consumption.
We've already seen Intel and AMD narrow the gap considerably, in part by adopting designs pioneered by ARM manufacturers like hybrid big-little cores.
Another aspect that I think gets forgotton in the Steam Deck conversation is the fact that AMD graphics performance is well ahead of Qualcomm, and that is extremely important for a gaming device. I'm willing to bet that the next Steam Deck goes with another custom AMD chip, but the generation after that is more of a question mark.
RISC-V is another wildcard that could end up threatening ARM's path to total dominance.
I sure hope it takes a bit longer than that. It would not be fun having only Qualcomm chips to choose from as a CPU. Either that or Intel/AMD start making their own ARM chips