Planned obsolescence, or built-in obsolescence, in industrial design
and economics is a policy of planning or designing a product with an
artificially limited useful life, so it will become obsolete (that is,
unfashionable or no longer functional) after a certain period of time.
A Reddit post from
last week has sparked a discussion regarding iPhone performance as a
function of battery age. While we expect battery capacity to decrease as
batteries age, we expect processor performance to stay the same.
However, users with older iPhones with lower-than-expected Geekbench 4
scores have reported that replacing the battery increases their score
(as well as the performance of the phone). What’s going on here? How
many phones are experiencing decreased Geekbench 4 score?
To answer these questions I’ve plotted the kernel density of
Geekbench 4 single-core scores for the iPhone 6s and the iPhone 7
running different versions of iOS. Scores obtained in low-power mode are
not included in the distribution.
https://www.geekbench.com/blog/2017/12/iphone-performance-and-battery-age/
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