- Joined
- Aug 28, 2019
I did buy and use a Raspberry Pi 4, before doing the smart thing and getting old Intel systems.It's a boring answer, but seems to be true. Lots of N150, N100, and a few N95 NUCs for under £200. I dont know how well Linux works on such machines given they're all Intel. They also don't have a glowing skull, so @The Ugly One wouldn't approve. I've seen mention you can't upgrade them or swap parts out, which might be a problem for drive space, but I'm not sure.
I don't see any Ryzen powered ones, and when I do they are a price bracket up at around £300+. I assume NUC is an intel term, or that AMD just doesn't make anything for this form factor.
Intel N100 = "Alder Lake-N". It's an 8-core Gracemont die that is commonly disabled to the 4 cores you see in the N100/N97/N95/N200/N150. The instructions per clock of Gracemont is comparable to Skylake (Intel 6th gen), and it supports modern instruction sets like AVX2 that its Atom predecessors (e.g. Jasper Lake) didn't. Clocks are relatively low, and there's no hyperthreading, so an N100 should be thought of like an old Core i5-6500T or i5-6600T.
Graphics are probably better, Alder Lake-N is using newer Xe-LP of up to 32 EUs, usually disabled to 24 EUs. Alder Lake-N only has single-channel memory, but the DDR5/LPDDR5 options should have comparable bandwidth to older dual-channel DDR4 options. Alder Lake-N can use DDR4, however, which should be avoided since the discount is not worth it. You get better codec support than older stuff, with AV1 hardware decode for example.
Chinesium models like "GMKtec" are commonly available near $120. Check Slickdeals. The oldest refurbished office machines with 4c/4t should be comparable in price, or a lot less if you take a chance on ebay. So it's like the price and performance are nearly the same, it's the baseline, the new standard. An office machine may be able to take a low-profile GPU like you mentioned whereas Alder Lake-N systems are usually tiny and not coming with a PCIe connector, although some do.
Linux should be no problem. You will have more problems with getting mainline Linux working on ARM systems, or dealing with ARM compatibility issues. x86 just works.
Why does AMD have no answer to Alder Lake-N? They have a die called "Mendocino" which is like the Steam Deck APU with the graphics and memory neutered. It has similar CPU and GPU performance to Alder Lake-N and is theoretically cheap. But they don't make as many of them. The reason Intel is ubiquitous is that they are shipping the largest volume of x86 processors, and most of what corporate desktops use. Low margin, high volume, we get to experience the savings by the used market getting flooded with this stuff. Probably a lot this year with Windows 10 support officially starting to end in October.
AMD is aiming to sell higher margin, more expensive products, so they aren't going toe to toe with Intel selling CPUs that end up in complete, new $120 Chinesium systems you can buy on Amazon. AMD starts to get good around $300, with e.g. discounted Minisforum systems with Rembrandt or Phoenix APUs. You go there if you want a better CPU and iGPU.
The office PC route might be better. Alder Lake-N uses more energy than it appears to (6W "TDP" but can use up to 20 Watts). You may be able to find 8th gen or newer systems for around the same price (that $80-150 range) that offer better performance and upgradeability. But it could be a little work on your part.
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