Not had a single piece of arm tech that has had a usage lifespan like my x86 pc. My 10 year old cpu still in use today and performs well.
10 year old arm phone or tablet is useless. Even 5 year old arm tech struggles with basics like web browsing.
But would be real interesting to see what even a arm cortex A15 could do with 95w of power like desktop x86 cpus.
This is because ARM chips have become so much better in the last 10 years while x86 has been more or less stagnant with only minor improvements. So the operating systems, software and use cases have been updated to use the extra power, rather than becoming stagnant.
A core in Apple A13 is over 100 times faster than a core in Apple A4 (released in 2010).
A core in i9 10900K is almost 2 times faster than a core in Core i7 920 (released in 2008). Majority of the improvement also comes from clock speed improvements (2.93GHz vs 5.3GHz Turbo speeds).
If we've had a 100x performance improvement for x86 in the last 10 years, every OS, game, software and use-case would have been updated to use the extra processing power. In that case, your 10-year-old x86 chip would have seriously struggled as well. Stagnation is not a sign of quality or longevity, it's a sign of mediocracy, and that's what Intel has been in the last 10 years.