this post was submitted on 21 Mar 2024
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Build a PC

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Planning on building a computer but need some advice? This is the place to ask!

Planning on building a computer but need some advice? This is the place to ask! /c/buildapc is a community-driven place dedicated to custom PC assembly. Anyone is welcome to seek the input of our helpful community as they piece together their desktop.

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Will I need a new PSU for a GPU upgrade? (beehaw.org)
submitted 5 months ago* (last edited 5 months ago) by BurningRiver@beehaw.org to c/buildapc@lemmy.ca
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So currently I’m running a 5800x and a regular 2060. I’ve got a 650w gold PSU that’s about 4 years old, no problems with it at all. I’m thinking about upgrading to a RX 7800 XT because GeForce prices are perpetually absurd. It seems like it would be enough power, but the few things I’ve read say that I need at least a 750w if I go with the AMD (because they’re power hungry?), but 650w would be fine for a 4070ti. If I have to buy a new PSU, I feel like it would wipe out any savings I might get by buying AMD over Nvidia. How can I definitively know if I need more power?

Full disclosure, I understand the concept of undervolting, but I’m not nearly confident enough to mess with the settings.

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