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Alleged Steam Machine specs according to Chris Mizo (edit: was already shared by valve themselves) (jlai.lu)
submitted 5 months ago by to c/steamdeck@sopuli.xyz
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idk who that guy is but I couldn't think of how to word the title, sorry

︀︀• Custom AMD Zen 4 CPU

︀︀• 6 cores / 12 threads

︀︀• RDNA 3 GPU

︀︀• 28 Compute Units

︀︀• 8GB GDDR6 VRAM

︀︀• 16GB DDR5 RAM

︀︀• 512GB or 2TB NVMe SSD

︀︀• SteamOS

︀︀• Wi-Fi 6E

︀︀• Bluetooth 5.3

︀︀• Gigabit Ethernet

︀︀• HDMI 2.0 + DisplayPort 1.4

︀︀• microSD expansion

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[–] 2 points 5 months ago* (2 children)

larger chip, lower yields

Oh right, I forgot about that part.

Not sure what kind of area one could expect for the CPU alone (without the integrated GPU) for this kind of process

I guess you could look up specs for a desktop Ryzen CPU that doesn't have integrated graphics. Not sure which is the right one to pick, but I checked a few Zen 4 AM5 chips and they were all 71 mm^2^ @ TSMC 5 nm.

BTW, what actually is "Strix Halo" anyway? I'm confused about whether it's what they're calling all the latest-generation APUs, or just the high-end ones, or Asus co-branding, or what.

Are there not any lesser APUs (with smaller die size and higher yields) that aren't "Strix Halo" but still have a similar architecture and decent gaming performance?

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  • [–] 2 points 5 months ago* (1 child)

    BTW, what actually is “Strix Halo” anyway? I’m confused about whether it’s what they’re calling all the latest-generation APUs, or just the high-end ones, or Asus co-branding, or what.

    Strix Halo is the "high-end" ones (and currently the latest), in terms of gaming they are closer to previous gen discrete laptop GPU (hence they use the naming scheme Radeon 8XXX series).

    There are smaller ones as well, the one that is "mid-tier" is Strix Point, which has the Radeon 800M series GPU, i.e. closer to what one had in previous generations of integrated GPUs.

    In terms of gaming performance, you can compare using Notebookcheck, as an example; Kingdom Come Deliverance 2 on low preset at 1080P:

    CPU GPU APU Average FPS
    Ryzen AI 9 HX 370 AMD Radeon 890M Strix Point 19.9
    Ryzen AI Max Pro 390 AMD Radeon 8050S Strix Halo 76.6
    Ryzen AI Max+ 395 AMD Radeon 8060S Strix Halo 101.7

    So, there's a pretty big leap going from Strix Point (mid tier) to Strix Halo (high-end)

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  • [–] 2 points 5 months ago

    So, there’s a pretty big leap going from Strix Point (mid tier) to Strix Halo (high-end)

    Holy shit, no kidding! I guess maybe that's the reason Valve didn't go that way: they wanted to put their product right in the middle of that graphics gap. Also, even that first one apparently has 12 CPU cores, so the whole balance between CPU and GPU performance is just off.

    Still though, if we're talking custom, it would've been cool if Valve could've had them build something equivalent to a "Ryzen AI 7" or "Ryzen AI 5", but still with Radeon 8050S or 8060S graphics.

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