this post was submitted on 11 Sep 2023
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17
Buying new CPU (lemmy.world)
submitted 1 year ago by [email protected] to c/[email protected]
9 comments fedilink hide all child comments
 

I have finally ditched Nvidia and I have nothing but praise for my AMD gpu. Now im in market for new CPU and I kinda want to do same with Intel, since I was on intel my whole life.

At the moment im looking at AMD Ryzen 9 7900 and i5 13600k (if i decide to go with intel) i5 is 70-80euros cheaper in my country.

Will there be any differance betwen those two on linux? What are your experiences with AMD cpus?

Thanks

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[–] [email protected] 17 points 1 year ago* (last edited 1 year ago)

CPU brand (as in AMD/Intel) makes little if any difference in linux, stark contrast to Nvidia/AMD GPU. There was a period of time where some of the intel CPU "efficiency cores" were not properly scheduled in the kernel but I think that's a lot better now as long as you use a relatively new kernel. There are different power/frequency management flags you can pass to the boot params based on intel/amd but that probably makes more of a difference if you're on battery: https://wiki.archlinux.org/title/Ryzen

I think there used to be some limitation in using resizeable BAR with an intel CPU and AMD GPU, but that hasn't been an issue for a while.

I have a 5950x with a 6900xt in my linux box and have had no complaints.

[–] [email protected] 7 points 1 year ago* (last edited 1 year ago)

My experience with my Ryzen 7900x has been no problems. The motherboard (ASRock PG Riptide B650E) had some issues on first boot that just required a BIOS update to fix. But I've had no problems dualbooting Windows and MX Linux on my system. With the caveat that you must use a cutting-edge distro with a 6.x kernel or better for proper hardware support on latest gen stuff.

CPU's are pretty agnostic this gen. Both Intel and AMD have comparable performance. AMD a little better in games, Intel a little better in productivity- but only by a few percent. AMD wins in power efficiency by quite a bit too, with the downside of requiring a DDR5 early-adopter tax for AM5 making the buy in a little more expensive. So it's really a wash no matter who you choose.

[–] [email protected] 6 points 1 year ago

The 7900 is significantly better than the 13600 in multi-core performance. In single-core performance they're fairly comparable. If you only care about single-core, you can also consider dropping down to the Ryzen 7700, which is basically the same but with fewer cores.

[–] [email protected] 5 points 1 year ago

Luckily, pretty much any modern x86 CPU works about as well as any other. I've had a Ryzen CPU for about three years and an Intel CPU before that, and I notice no differences (apart from obviously the faster CPU being faster).

[–] [email protected] 1 points 1 year ago

There's not any significant difference when it comes to Linux compatibility, I've had entirely fine experiences with both.

[–] [email protected] 0 points 1 year ago

I would go Intel until AMD fixes their fTPM. https://www.phoronix.com/news/Linux-6.3-Fix-For-AMD-fTPM

[–] [email protected] 0 points 1 year ago (1 children)

Amd and Intel Just compare them, i will chose amd with closed eyes

[–] [email protected] 5 points 1 year ago (1 children)

Yeah, but you have compared top-of-the-line Ryzen model vs. Intel's high-medium tier. That's not gonna really help.

[–] [email protected] 7 points 1 year ago

At the moment im looking at AMD Ryzen 9 7900 and i5 13600k (if i decide to go with intel) i5 is 70-80euros cheaper in my country.

Is what he want to buy , not me.