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beachboy2 05-20-2020 03:19 AM

Building a Linux PC using an AMD Ryzen 5 3400G CPU
 
For any non-gamer contemplating building a new Linux desktop PC with an AMD Ryzen CPU, I have made this short blog:

https://www.linuxquestions.org/quest...og.php?b=38257

Just to add that the benchmarks for these Ryzen CPUs are quite amazing.

I hope this is helpful to at least one other LQ member.

EDIT
Blog now includes an UPDATE on Realtek 8111H.

business_kid 05-24-2020 05:56 AM

Thanks for the link.

I have done this to myself on linux before, installing a newish all-AMD system. In my experience, the cpu was handy enough. It was the video was the agony. AMD was going through a trough, cutting a newly-formed linux software team. They have come on a lot since. When this laptop croaks it, I intend to do it again, following the 'Anything-But-Intel' principle. They abused their dominant position while they had it. For instance, they sold their (Pentium?) chips at exorbitant prices January - July one year, but in August they released a steady supply of Pentium MMX chips, with block copy Assembler instructions, for the same price. In short order, all software would need upgrading, all chips sold for gaming wouldn't run the latest software, etc.

Contracting fab to Samsung was a real step forward for AMD, and, for once it's Intel playing catch-up. I thought the nic was supported by RTL8168. The notes say
8111 = 8169 = 8411, all covered by the rtl8168.ko kernel module. Ubuntu will probably be a few kernel versions behind. You should build the latest git, and file a bug if it's iffy. I don't know much about 1G networks, except that it uses CAT 6 cabling and has distance rules. Your setup may not be 1G capable. I don't use my nic, and run on wifi. From what I know, I'd like ≤1G to be optical anyhow, although I think we'll be waiting there.

beachboy2 05-24-2020 09:47 AM

business_kid,

I think the Realtek LAN will be okay running the r8168 driver, but in any event I have my trusty Intel EXPI9301CTBLK PRO1000 Network Card to fall back on.

Here are just a couple of comments about the Radeon Vega 11 graphics:

A lot of people don't realise just how far we've come with integrated graphics, the fact that you can even play some of these games at 1080p on low is astounding, and some older games on high as well.

Compared to Intel's UHD Graphics 630 found in the 8th and 9th Gen CPUs, the 3400G's Vega 11 graphics are typically 2 to 3 times faster. Where Intel's UHD 630 often struggles to break 30fps even at 720p and minimum quality, AMD's Vega 11 can legitimately handle 1080p and low to medium quality at playable frame rates.

business_kid 05-24-2020 11:30 AM

That's good.

I was thinking of buying a decent AMD desk pc setup, and NEVER upgrading. We're on 7nm now, and some severe problems in physics begin to bite at 5nm, not to mention mechanical & tolerance issues. I gather the move is on to switch construction,in particular the design of transistor used A 7nm CPU may never go out of date, and if it does, who cares? I'm on a 2013 i3 twin core @ 2.4Ghz and not mining bitcoin or the like, and not really embarrassed for cpu power yet. I also have a RazPi 4, 4 core@1.5Ghz, and with a little attention to multi threading, that wouldn't be that embarrassed either.

Timothy Miller 05-24-2020 02:22 PM

Quote:

Originally Posted by beachboy2 (Post 6126714)
business_kid,

I think the Realtek LAN will be okay running the r8168 driver, but in any event I have my trusty Intel EXPI9301CTBLK PRO1000 Network Card to fall back on.

Here are just a couple of comments about the Radeon Vega 11 graphics:

A lot of people don't realise just how far we've come with integrated graphics, the fact that you can even play some of these games at 1080p on low is astounding, and some older games on high as well.

Compared to Intel's UHD Graphics 630 found in the 8th and 9th Gen CPUs, the 3400G's Vega 11 graphics are typically 2 to 3 times faster. Where Intel's UHD 630 often struggles to break 30fps even at 720p and minimum quality, AMD's Vega 11 can legitimately handle 1080p and low to medium quality at playable frame rates.

If I remember correctly in reviews the performance of the Vega 11 was within SPITTING distance of a GTx 1050. Although that may have been the newer, faster Vega 8 in the 4000 series. CAn't remember for sure.

business_kid 05-25-2020 03:33 AM

Quote:

Originally Posted by business_kid
We're on 7nm now

As usual, I realise after the send button was pressed that I'm speaking a lanugage nobody understands.

We're on 7nm wafer fab now. There are limits to how much smaller/faster things can get. I think the first effort was 5 Ám; then 2 Ám in the 1970s, followed by 1.2Ám. It's been steadily advancing, but the machine cost has been rising. Smaller wafer fab is the key to faster/lower power components. Now we have APUs (CPU+GPU) on one wafer running at Ghz. In the 1990s 100Mhz was good.

beachboy2 05-26-2020 03:21 AM

Occasional gamers can check out the performance of the Ryzen 5 3400G with onboard Radeon Vega 11 graphics when tested on 14 games:
https://www.youtube.com/watch?v=uwYoxyYH9Jc


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