this post was submitted on 07 Jul 2025
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I thought this video was rather interesting, because at 12:27, the presenter crunches the numbers to find out how many years it would take for a new computer purchase to be more environmentally friendly (in regards to total CO2 expended) compared to using a less efficient used model.

Depending on the specific use case, it could take as little as 3 years to breakeven in terms of CO2 if both systems were at max power draw forever, and as long as 30 if the systems are mostly at idle.

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[–] SnotFlickerman@lemmy.blahaj.zone 29 points 1 week ago (18 children)

You just can't buy too old or the inverse happens and the performance per watt drops. I think you're right that 2012 is about the cutoff. Maybe 2007 for certain items, like my 2007 iMac. But if you're getting back to the Pentium 4 era you've gone too far and need to turn back around.

[–] Onomatopoeia@lemmy.cafe 17 points 1 week ago (4 children)

Oh god, P4? Yea, those were just 100 watt light bulbs.

[–] Lost_My_Mind@lemmy.world 4 points 1 week ago (2 children)

My first computer was 33htz. Ran Windows 3.1. And Warcraft 2.

So yeah. The perfect computer.

[–] kurcatovium@piefed.social 6 points 1 week ago

Well, I would hope for 33 MHz at least... ;-)

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