Discussion AMD SoC Halo series GPU discussion

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GTracing

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Meteor Late

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RDNA4 copes with less bandwidth and bad memory setups a whole lot better.
It's the magic juice.

That's why Medusa Point is still RDNA 3.5 I suppose? in an even worse memory bandwidth scenario, we make things more difficult for the iGPU? it's the magic juice that AMD won't give to the masses?
 

GTracing

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I've always assumed iGPUs use older architectures because updating it every two years would spread their engineering resources too thin. Reusing RDNA3 is probably less work. Both in terms of hardware and software.

And if the graphics team was ever behind schedule, that would cause ripple effects. Suddenly the physical design guys have nothing to work on until the graphics IP is ready. AMD has wafer orders that they need to figure out what to do with. Asus was told the chip was going to be ready to ship in Q2, but now it won't be ready until Q3.
 

MrTeal

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HP's business laptop prices are all inflated. They go on sale quickly and often.

Edit, can't get the slickdeals.net link to work. But there are year old models going on sale for 60% off.

Zbook AMD search on hp's website
Have to keep that MSRP high so that you can offer corporations big volume discounts and still maintain margins.

You'd be crazy to pay full retail on one as a consumer.
 

gdansk

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Feb 8, 2011
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I've always assumed iGPUs use older architectures because updating it every two years would spread their engineering resources too thin. Reusing RDNA3 is probably less work. Both in terms of hardware and software.

And if the graphics team was ever behind schedule, that would cause ripple effects. Suddenly the physical design guys have nothing to work on until the graphics IP is ready. AMD has wafer orders that they need to figure out what to do with. Asus was told the chip was going to be ready to ship in Q2, but now it won't be ready until Q3.
But with Medusa Halo they could re-use the old Strix Halo IOd if things were held up?
Mixed construction seems to be tolerant to overreach.
 

GTracing

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Aug 6, 2021
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But with Medusa Halo they could re-use the old Strix Halo IOd if things were held up?
Mixed construction seems to be tolerant to overreach.
Yeah, that's true. I would guess Medusa halo comes down to the limited engineering bandwidth. As long as the CCDs connect with the same interface, they can reuse the strix halo IO die.

Hopefully they have a halo IO die with RDNA5 in the pipeline. This is all speculation based on rumors anyhow, so maybe they are doing an RDNA4 halo.
 

Heartbreaker

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But with Medusa Halo they could re-use the old Strix Halo IOd if things were held up?
Mixed construction seems to be tolerant to overreach.

That would mean ZERO progress on the GPU since the IOd houses the GPU.

People are really interested in these for the GPU, so what would be the point of that?
 

gdansk

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That would mean ZERO progress on the GPU since the IOd houses the GPU.
People are really interested in these for the GPU, so what would be the point of that?
A better CPU, presumably. And more CPU cores, probably. The performance of the GPU isn't the greatest - they're only interested in the big VRAM which it would still have. Is the rumored 3nm RDNA3.5 Medusa Halo iGPU going to be much better anyway? More efficient, possibly. But I don't think a 10-15% upgrade is worth the cost to tape out a new chip with nearly the same GPU IP.

And generally, if they're using RDNA3.5+, it's clear AMD abhors risk and cost. No risk and no extra cost to reuse an existing IOd.
 

Heartbreaker

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A better CPU, presumably. And more CPU cores, probably. The performance of the GPU isn't the greatest - they're only interested in the big VRAM which it would still have. Is the rumored 3nm RDNA3.5 Medusa Halo iGPU going to be much better anyway? More efficient, possibly. But I don't think a 10-15% upgrade is worth the cost to tape out a new chip with nearly the same GPU IP.

And generally, if they're using RDNA3.5+, it's clear AMD abhors risk and cost. No risk and no extra cost to reuse an existing IOd.

The reason for wanting bigger VRAM, is for GPU obviously. If the GPU is the same, this update is pointless. IMO, they would be better having an updated GPU and the same CPU tiles, because again, GPU is the point.
 
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gdansk

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The reason for wanting bigger VRAM, is for GPU obviously. If the GPU is the same, this update is pointless. IMO, they would be better having an updated GPU and the same CPU tiles, because again, GPU is the point.
But new GPU costs extra money. RDNA3.5 in 2027 will be laughably bad, even on 3nm. It was bad in 2022.
New CCD with the Halo-like interconnects is being done for Zen 6 regardless; it doesn't cost extra money.
 
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