Monday, February 1st 2021

Intel Xe DG1 SDV PCB Pictured, Looks Desolate

Here are some of the first pictures of the Intel Xe DG1 SDV, taken apart to reveal its rather desolate PCB. The Xe DG1 SDV isn't commercially available, but rather distributed by Intel to ISVs, so they can begin optimizing or developing for the Gen12 Xe graphics architecture. The board features a GPU ASIC that's nearly identical to the Iris Xe MAX mobile discrete GPUs, and four LPDDR4 memory chips making up 8 GB of video memory.

The Xe DG1 GPU is based on the Xe LP graphics architecture, and the silicon is built on the 10 nm SuperFin silicon fabrication node. The chip features 96 execution units (768 unified shaders); and apparently makes do with the 75 W power supplied by the PCI-Express slot. A frugal 2-phase VRM powers the GPU. The GPU uses conventional 4-pin PWM to control the fan, which ventilates a simple aluminium mono-block heatsink. Three DisplayPorts and one HDMI 2.1 make up the output configuration. While you won't be able to buy a Xe DG1 SDV in the market (unless an ISV decides to break their NDA and put one up on eBay), Intel has allowed a small number of board partners to develop custom-design cards. ASUS is ready with one. Igor's Lab has more pictures, a list of benchmark fails, and other interesting commentary in the source link below.
Source: Igor's Lab
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34 Comments on Intel Xe DG1 SDV PCB Pictured, Looks Desolate

#26
Aquinus
Resident Wat-man
r9I don't see why hatin on Intel. I really hope they release something competitive in near future as we can only benefit from one more player in the discrete GPU space.
The hate is from how literally none of the benchmarks worked from the source linked in the article, so we have absolutely no idea what performance actually is because it's so buggy. That definitely deserves some scrutiny. I expect my GPUs to work. :laugh:
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#27
bug
AquinusThe hate is from how literally none of the benchmarks worked from the source linked in the article, so we have absolutely no idea what performance actually is because it's so buggy. That definitely deserves some scrutiny. I expect my GPUs to work. :laugh:
You're just nitpicking :D

Edit: There's something strange in the original article. They keep saying that after a year or so they were expecting things to work. While I didn't find a clarification for this, it leads me to believe we are looking at an older engineering sample retested with more up-to-date software. But I'm really not sure.
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#28
r9
AquinusThe hate is from how literally none of the benchmarks worked from the source linked in the article, so we have absolutely no idea what performance actually is because it's so buggy. That definitely deserves some scrutiny. I expect my GPUs to work. :laugh:
You expected wrong. :D
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#29
Aquinus
Resident Wat-man
bugYou're just nitpicking :D

Edit: There's something strange in the original article. The keeps saying that after a year or so they were expecting things to work. While I didn't find a clarification for this, it leads me to believe we are looking at an older engineering sample retested with more up-to-date software. But I'm really not sure.
In their defense, Intel's open source drivers in Linux have become a lot better in the last couple of years, like, a lot better. Their GPUs are still relatively slow, but they've been making good strides preparing for these GPUs, so it is a little weird that they're so blatantly broken.
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#30
Mussels
Freshwater Moderator
Whats the weird connector on the back of the card?
Posted on Reply
#31
DonKnotts
MusselsWhats the weird connector on the back of the card?
There is a row of LEDs on the shroud between the fins, I assume that's the power cable for them.
Posted on Reply
#32
bug
AquinusIn their defense, Intel's open source drivers in Linux have become a lot better in the last couple of years, like, a lot better. Their GPUs are still relatively slow, but they've been making good strides preparing for these GPUs, so it is a little weird that they're so blatantly broken.
It may not be the drivers at fault here, but the possibly pre-production board.
Posted on Reply
#33
Steevo
So.... What does it do?

C'mon.....do something.
Posted on Reply
#34
Stephen.
MusselsWhats the weird connector on the back of the card?
It's for debugging.
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