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Raspberry Pi 5 – 16GB RAM

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Re: Raspberry Pi 5 – 16GB RAM

#281

Post by esskay »

chrissnell wrote: post #34

My home cluster is built from surplus Dell Optiplex desktops that I got from BYU Surplus and added some RAM (before RAM price went totally bananas) and SSDs to. I spent less than the cost of one of these Pis to acquire all of them together. I later added a large machine that I used to use as a Linux desktop, with a GPU and 64GB RAM, which I use for generating OpenStreetMap tiles.

Similar here. I lucked out, a charity in the UK (Bernados) has an ebay account and they had a huge joblot of about 200 brand new DELL Optiplex 3050 Micros (i7 6700T, 16GB DDR4, 1tb SSDs).

I picked up 4, at £50 each, and when they arrived they were still sealed, and included a power supply, keyboard, mouse and windows 11 license (which never got used).

Makes the pi look like a terrible deal given you've also gotta buy power supply, a hdmi adapter for their moronic decision to use mini hdmi, etc

Re: Raspberry Pi 5 – 16GB RAM

#282

Post by moffkalast »

p0w3n3d wrote: post #260

I would never undestand this phenomenon, 350$ is a price you can buy a Ryzen mini PC instead... In my country there is virtually no possibility to buy the newest PI, and even if it is possible, it won't cost the main price, but always more...

And the 8GB one is $200. For 70$ more you get the Jetson Orin Nano with comparable single core speed but with two more cores, LPDDR5 with 5x as much memory bandwidth, more IO, and an entire GPU.

Re: Raspberry Pi 5 – 16GB RAM

#283

Post by mschuster91 »

greenavocado wrote: post #169
mschuster91 wrote: post #29

Earlier quoted context omitted.

They won't, no one will. Too much investment for too much of a risk of the bubble popping and yet another run of the boom-bust cycle that left the world with not even a handful of RAM makers in the first place.

Chinese manufacturers are masters of razor thin margins and flooding the market to crush the competition.

Indeed but China doesn't have access to EUV lithography from ASML.

Re: Raspberry Pi 5 – 16GB RAM

#285

Post by lproven »

qsera wrote: post #211
schappim wrote: post #39

Some folks might have missed that memory prices on the whole are up [1] 90% since Q4. The memory used by the Pi 5 is up 700% [2]! Raspberry Pi are working the issue by releasing new memory variants that are cheaper[2]. Edit: You can still walk into a Microcenter and get Pi 5 16GB for US $289! 1. https://au.pcpartpicker.com/trends/price/memory/ 2. https://www.raspberrypi.com/news/a-new-3gb-raspberry-pi-4-fo...

I wonder if it be possible for pi to support cheap older generation of RAM modules? And thus use recycled RAM from old computers from scrap?

Nobody responsible or competent is scrapping DDR5 computers yet.

You can't use other speed standards of RAM in a computer designed for a faster (or slower) standard.

If it needs DDR5 it can't use DDR, DDR2, DDR3, or DDR4. I don't think I've ever seen any x86 machine that could use older slower standards.

You could use EDO in some FPRAM machines, and FPDRAM in EDO machines at a 15% speed penalty. You can use slightly faster DRAM in a machine that wants slower: later in their lives, I maxed out the RAM in some PowerMac G3 machines that wanted 66MHz DRAM using cheaper, already obsolete, 100MHz DRAM, or 133MHz DRAM in ones that only wanted 100MHz. But only within that standard.

It's an idea that has some merit. I still use old Thinkpads that need DDR3 as what would have been prohibitively expensive when they were new is now cheap -- I have maxed-out 16GB X220 and T420 machines, and a near-full W520 with 24GB.

But not DDR4, and you can't max out old DDR2 machines as big DDR2 DIMMs always were expensive and still are.

Re: Raspberry Pi 5 – 16GB RAM

#286

Post by KeplerBoy »

hdbebdb wrote: post #234
nubinetwork wrote: post #205

Earlier quoted context omitted.

While you can still buy a pi 3, you'd be kicking yourself for not using something faster.

Why would you? It's completely fine for it's intended educational context

It's not just intended exclusively or limited to education. Many products ship with compute modules inside.

Re: Raspberry Pi 5 – 16GB RAM

#287

Post by zipy124 »

hcfman wrote: post #265
teruakohatu wrote: post #263

Earlier quoted context omitted.

What thermal camera are you using with the Pi?

I developed my own one out of very high quality modules from China and added the software to the Pi so all of the driver software is developed in the Netherlands from our company. Note this was no small matter. It's a product now. But currently we sell them on a project mode till we get all the scalability in place to sell them as boxed units. https://wildlifesecurityinnovations.com/ Plus the run the pi in secure boo…

How are you getting the thermal sensors out of china without running into the export/import restrictions on dual-use tech? Without correct import licensing I've been limited to 9fps and other restrictions (if I want to do it legally).

Re: Raspberry Pi 5 – 16GB RAM

#288

Post by zarzavat »

baq wrote: post #220
zarzavat wrote: post #207

Earlier quoted context omitted.

I don't understand why it's so difficult for people to understand. If you're using the Pi as a microcontroller that you can run Python on, then just get the cheapest Pi that meets your needs. If you're using the Pi for computationally expensive tasks then pay more money and get the fast one. Personally I have a Pi 5 and it's perfect for me because I want small size but high performance. People say "just buy a real co…

N100-class minipcs are better at everything the pi 5 is doing except perhaps a bit of idle power and gpio.

If I tried to put a mini PC where my Pi currently sits - a very narrow shelf - it would fall off and probably hurt itself. You can put a Pi just about anywhere.

Re: Raspberry Pi 5 – 16GB RAM

#289

Post by hcfman »

zipy124 wrote: post #287
hcfman wrote: post #265

Earlier quoted context omitted.

I developed my own one out of very high quality modules from China and added the software to the Pi so all of the driver software is developed in the Netherlands from our company. Note this was no small matter. It's a product now. But currently we sell them on a project mode till we get all the scalability in place to sell them as boxed units. https://wildlifesecurityinnovations.com/ Plus the run the pi in secure boo…

How are you getting the thermal sensors out of china without running into the export/import restrictions on dual-use tech? Without correct import licensing I've been limited to 9fps and other restrictions (if I want to do it legally).

I have a good relationship with our supplier and they apply for all necessary legal requirements.

What country are you from ? There’s a list of countries that we can ship to (Only whole systems as that’s our product). 640 resolution requires export licenses for us to countries outside of the EU. We apply for those for our customers. You will need to supply end user statements and identify who you are.

The modules we ship have 25 fps frame rate.

The UK is in the list of countries we can ship to. It is outside of the EU so we would need to apply for an export license for you.

384x288 resolution does not require an export license for us to ship to the UK. But it does require an end user statement.

However, if the UK also requires an import license, then I have no advice for you here. Interesting to know though, as it would complicate exporting to there.

Re: Raspberry Pi 5 – 16GB RAM

#290

Post by a5c11 »

p0w3n3d wrote: post #260

I would never undestand this phenomenon, 350$ is a price you can buy a Ryzen mini PC instead... In my country there is virtually no possibility to buy the newest PI, and even if it is possible, it won't cost the main price, but always more...

Raspberries are cool for tinkering with hardware, learning how to write kernel drivers etc. But I think this is how maybe 30% of Raspberries are used. People do uncanny things to turn those boards into something we already have on the market - mini PCs, and thin clients. For my home server, I replaced Raspberry Pi with a used HP T630 I bought for the quarter of the Pi's price, and that was a good decision.

Frequently used argument against mini PCs is lack of GPIO. There are adapters based on FT2232H. The drivers are lame or non-existent, though, so I wrote one by myself, so the chip appears in system as native GPIO port which makes it easier to use with various programs. "itachilab/ftdi-gpio" if someone is interested.

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