AMD Ryzen AI MAX+ PRO 395 "Strix Halo" APU Spotted in Geekbench Leak

[igormp]

This particular halo APU would be great in the form of a SOC like the Apple Silicons, with memory integrated in the same chip.

Yes, it will be beyond expensive, but given how Ngreedia got away with their halo offerings prices, who knows.

Or, maybe using quad memory channels, instead of dual.

I don't think it'd benefit much from integrated memory, but it is going to use soldered memory anyway (LPDDR5X), which is hella fast.
It also uses something akin to "quad channel", since it's a 256-bit bus, double of what you have on your consumer desktop (128-bit at dual-channel), that's the most interesting part of this product IMO.

I read something similar.

Since it is using DDR5, which is dual channel per dimm (or something like that, bit rusty in the subject) thats why its showing as such.

But I dont know if this can be compared to a proper quad channel system, like whats used with ThreadRippers, for example.

DDR5 muddied the terms a bit.
Before DDR5, there was kind of a convention to call a 64-bit bus a "channel", since that was the norm for what we had in a single stick/mobo slot. 2 sticks in different channels? 128-bit, or the so called "dual-channel".
Now with DDR5 each DIMM/channel has 2x "sub-channels" of 32-bit each, but your total bus size is still 128-bit when using 2 sticks, so nothing changed.
Threadrippers, as an example, have a bus width of 256-bit (4x64-bit) for the non-Pro variants, and 512-bit (8x-64-bit) for the pro ones.

Strix halo has a 256-bit bus, so it'd be similar to what we call a quad-channel system.

 

[trsttte]

130W is nothing for a desktop grade 16C processor and a full fledged GPU, so either they will increase this to 200ish or this APU will choke. This is a desktop replacement APU, not usual laptop stuff. So usually these laptops will be fat and run on higher power.

Not really, a discrete laptop GPU + HX laptop CPU easily uses more than that. It's for higher power laptops and not ultrabooks, but still doesn't even come close to the ridiculous 200w or 300w desktop replacements

Completely pointless with the typical wattage of 15-25W in handhelds, choke deluxe. Even the 12 CU ROG Ally already chokes itself if you use it in the regular 15W mode. This is simply not for handhelds. The 16CU model is.

Of course it's not, there's rumours about a strix halo LP version cut down to 20CU and whatever number of cores that might be in some handhelds, but even that is not very likely to be what's going to be on next gen handhelds.

An APU is a monolithic chip. This has several chiplets.

Lol, that's a very literal interpretation of an outdated definition. CPU's would also not be CPU's anymore as they also use chiplets/tiles, and have accelarators for specific functions (not only graphics)

I don't think it'd benefit much from integrated memory, but it is going to use soldered memory anyway (LPDDR5X), which is hella fast.

Maybe LPCAMM, we can dream at least

 

[Wirko]

I don't think it'd benefit much from integrated memory, but it is going to use soldered memory anyway (LPDDR5X), which is hella fast.
It also uses something akin to "quad channel", since it's a 256-bit bus, double of what you have on your consumer desktop (128-bit at dual-channel), that's the most interesting part of this product IMO.

It's better to give up trying to count channels and just talk about bus width in any processor that supports LPDDR. LPDDR makes it more muddy than any DIMM DDR.

 

[Scrizz]

Hopefully the products that use it don't cost an arm and a leg.

 

[AcE]

An APU is a monolithic chip. This has several chiplets.

Outdated definition (Wikipedia isn't the world), this is 100% a APU and was already marketed as such by AMD.

The universal definition of a APU is that it's a CPU + GPU combined with Heterogenous computing or HSA. For that the cores just have to be close enough to work together and share the same memory.

It's for higher power laptops and not ultrabooks, but still doesn't even come close to the ridiculous 200w or 300w desktop replacements

We will see what power it will require, the fact is 130W would choke this system.

Of course it's not, there's rumours about a strix halo LP version cut down to 20CU and whatever number of cores that might be in some handhelds, but even that is not very likely to be what's going to be on next gen handhelds.

20 CU is also bs for handhelds, they currently have a hard time feeding 12 CUs with 15W, let alone 16 CUs of Strix Point. So either the wattage has to be increased to prevent choke (and that's only possible with a stronger battery), or it's kinda useless to begin with. ROG Ally with 15 W is barely faster than Steam Deck despite being way better on paper, with 25W it runs away but has low battery life. The same issue will happen with 16 CU and I don't see a point to put a cannibalised Strix Halo into a handheld, it's simply not for that, it's for laptops. The whole package is also too big to fit into a handheld, aside from all that.

btw. if Strix Halo has no Quad Channel (the real one, not what is really just dual channel in DDR5 with 4 sub channels), it will be a useless product, 2560 shaders won't work with just about 100-120 GB/s bandwidth, that's what you get today with the best LPDDR5X. So better hope it's the real quad channel over there.