Which brings us to another point: Apple phones are now faster at dealing with the web than any desktop or laptop computer that Apple sells. Think about that! You have to remember to take care of slow computers (and Androids!), not apple phones, when designing for the web 
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And it doesn’t seem like Apple is close to hitting any walls. Next year they’re rumored to go to 5nm chips. So a few more years of 20-30% y/y improvements doesn’t seem out of the question. And every jump just makes Intel (and Android chip makers) look ever more silly.
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Finally, look at how slowly Qualcomm is improving. The Snapdragon 845 in the S9 scored a 56 against the latest 855 in the One Plus 7 Pro with 64. That’s a 14% y/y improvement. If that’s the constant rate of improvement, it’ll be 2025 before they have a chip to match the A13
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Actually, given how poorly flagship Snapdragon chips perform for the web, I’m actually really curious what mid-tier or low-end Android phones are like? Anyone has some Motorola mid tier $300-400 phones they could test with? https://browserbench.org/Speedometer2.0/
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Replying to @dhh
You can get a good understanding of the situation via
@patmeenan's excellent http://WebPageTest.org which has a bunch of mid-range Androids physically attached.1 reply 0 retweets 6 likes -
Speedometer tests a lot more than JS engine perf -- historically, big wins have come from removing corner-case DOM badness -- and on JS engine, architecture-specific optimisations matter.
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All of which is to say, we can extrapolate roughly from desktop side-by-side, but I'd urge a little caution. Best test would be if Apple would let us port another engine, then we'd have a true comparison.
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I realize this wouldn't actually provide business value, so it's hard to justify the required investment But this claim could be proven if v8 \w JIT is ported to a jailbroken iphone. (I would be genuinely curious as to the outcome.)
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Replying to @stefanpenner @slightlylate and
Apple does have that lovely advantage of owning the full stack and being able to focus on said stack.
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Replying to @stefanpenner @slightlylate and
I would have to imagine, the android stack + all supported hardware is a fun re: performance analysis.
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It is indeed "fun".
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