Electronics > Altium Designer

Altium & integrated graphics (CPU+built in GPU)?

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It's pretty random. Some people have issue while others don't.
But there seems to be less issues with people who have nvidia cards vs other graphics.

Well I think at the time Altium had a recommended list that worked with AD17, but were all old cards, so I contacted Altium direct and asked them what they recommended as a mid level performer for Altium, and I think they said the 730, but if I could get the 750 as it will work as a high end performer and costs only slightly more than the 750.  At the time I had a Zotac 750Ti in my home machine so I found the order code and got one for around £90 from Amazon in the UK (this was around 2016 / 2017), and the 730 was £80/£85 ad they had less available than the 750.

Some time after we had another hardware dev start and the I.T. dept got a Gigabyte 750Ti, 2gb same spec and it wasn't quite as smooth as my Zotac for whatever reason, it had the same drivers same hardware same RAM same SSD etc, we were running at the time Windows 8.1 x64 pro, the 3D mark score was lower too on the GB one.

So it does also matter what make of card you get apparently too!

Thank you very much one & all!

I'm more comfortable now looking at i5 & i7 class CPUs with integrated G7 type Iris Xe IGPUs for instance, given the success stories, I'll either look for something like that
or see if something with an actual NVIDIA built in board comes up that looks adequately persuasive.

I don't really understand the currently used intel laptop chip architecture with their integrated graphics but I'm surprised they're not (as far as I know) including some kind of higher bandwidth VRAM somehow or at least typically populating paired DDR4 slots to improve the main RAM bandwidth to help the IGPU memory bandwidth (assuming laptop sockets can even run dual channel SODIMM mode?).

I guess it works well enough for most office / business / personal applications even so.

--- Quote from: Wilksey on October 04, 2021, 12:53:49 am ---I will add that we do not use AD21 but are on AD20, and I do notice some lag (nothing I would say is unusable) when in 3D mode with a large amount of components and 3D parts rendered.

We did used to have 8GB 5th gen i5 boxes with a GF 750Ti 2GB card with AD17 - AD19.

Just make sure your graphics drivers are up to date for newer systems as it can help.

--- End quote ---

If you can get a computer with at least 16GB RAM that really did make a difference for me going from 8GB to 16, my personal laptop is a 10th gen i7 with a RTX2060 and 64GB RAM, that thing fly's but it was quite expensive and is/was a "gaming" laptop.

Integrated GPUs are pretty capable these days so the more modern CPUs should be plenty powerful enough for most 3D CAD work. Some of the faster integrated GPUs can even run modern games at usable performance.

More of the kicker these days is indeed memory bandwidth. It has to be shared between the CPU and integrated GPU. So while getting faster RAM will usually make marginally small differences to the performance of your computer, here getting faster RAM can actually help the GPU performance significantly. So you do want fast sticks of RAM, using that dual channel, set up in BIOS to use XMP profiles...etc.

The only reason you would want to have a proper powerful discrete GPU in a laptop is if you play games, open up really huge CAD models or need some of the computational help of the GPU (Like rendering, video encoding etc..)


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