Originally Posted by Quoth
About 19 for Sony and 17 for Kindle.
I've two Kindles about 14 years old. The batteries (really cells) have been replaced. The displays are OK (Pearl). Some folk here seem to have older viziplex eink.
Physical damage (cracked substrate) or excessive heat (sun on car dashboard) breaks them. I've not heard of one wearing out as such, though the Kobo Touch (c version) I had suffered terrible ghosting.
The Sony PRS-350 (14 years old) I have is far better than the same age Kindles for SW (touch and buttons). It's amazingly still on the original battery, but bits of the plastic are crumbling. I have to turn it on/off via a mapping pin poked in. Screen is lovely and being 800 x 600 Pearl eink 5″ looks better than all the old Pearl 6″ 167 dpi 800 x 600 screens. IR touch and no front-light, so the screen isn't impared by a capacitive or light pipe layers (which need Carta).
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