Cars A Steadiness Issue Is Brewing With Nvidia RTX 3080,...

A Steadiness Issue Is Brewing With Nvidia RTX 3080, 3090 GPUs – ExtremeTech

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It’s not strange to see some buyers putting up challenges when a new GPU or CPU launches, but there is early information suggesting that some RTX 3080 and RTX 3090 GPUs have a security dilemma when they push near-to or previously mentioned 2GHz. Most reviews have concentrated on 2GHz, but at the very least a single consumer said his GPU was under that clock.

Reviews have begun popping up on the internet of security complications likely tied to GPU strengthen frequencies. Acknowledged-afflicted styles include the Zotac RTX 3080 Trinity and the MSI RTX Ventus 3X OC. MSI’s Gaming Trio is described, as is EVGA’s RTX 3080 XC. These experiences make about the very same claim: The GPU crashes in 1 or more titles, often at around 2GHz. Cutting down clock speeds can take care of the challenge.

Igor of Igor’s Lab thinks he has an rationalization for the problem. Right after referencing Nvidia’s paperwork for the RTX 3080’s PCB design, he writes:

The BoM and the drawing from June depart it open up irrespective of whether large-area POSCAPs (Conductive Polymer Tantalum Solid Capacitors) are applied (marked in pink), or somewhat the rather extra high priced MLCCs (Multilayer Ceramic Chip Capacitor). The latter are more compact and have to be grouped for a greater capacity.

Bottom-POSCAP-vs-MLCC

Picture by Igor’s Lab

The places blocked off with boxes and the established of ten green rectangles are all ability rails. If the RTX 3080 and RTX 3090 are currently being fed soiled energy, it would reveal why the playing cards destabilize and crash at substantial frequencies.

Zotac, for case in point, made use of POSCAPS for all 6 rails:

Picture by Igor’s Lab

Nvidia employed 4 POSCAPS and two MLCCs, as shown beneath. Igor notes he’s been unable to crash his Founders Edition GPU, implying that this may well be the lead to of the crashing bugs. We really do not know for selected that the 3080 FE does not have this trouble, but so far no person reporting an concern appears to have an RTX 3080 FE.

Founders-1

Impression by Igor’s Lab

We do not know how numerous cards are afflicted by this problem. Even if applying POSCAPs instead of MLCCs is the cause of the difficulty, it doesn’t routinely stick to that just about every POSCAP-equipped producthasa difficulty. It looks more very likely that a specific proportion of POSCAP products would have troubles than that Nvidia would are unsuccessful to notice it had misinformed all of its AIBs and handed them lousy producing paperwork. The previous could result in some elevated mend rates and grumbling, while the latter would have to have the repair service of each RTX 3080 and RTX 3090 produced to-day.

If you operate into this problem, the to start with matter to attempt is lowering the base clock on your GPU. People are reporting that 80-100MHz constantly works. Even though overclocking your GPU is harmful if you never know what you are accomplishing, it is tough to muck up a element by working it slower.

This situation is going to evolve above the up coming couple of times as Nvidia discusses it with AIBs and investigates how best to resolve the challenge. I advise maintaining an open up brain as considerably as what the probable induce may possibly be, not since I doubt Igor, but due to the fact at times manufacturing evaluation reveals additional troubles that weren’t previously acknowledged and couldn’t be found from area-stage evaluation.

No subject what the trouble turns out to be, Nvidia or its associates have a mess they’ll need to clean up up when also dealing with serious card shortages. We’ll keep you posted on regardless of what the induce turns out to be.

Now Examine:

  • There’s No These types of Point as ‘Huang’s Regulation,’ In spite of Nvidia’s AI Lead
  • Resellers Utilised Bots to Dominate the RTX 3080 Launch
  • Ampere Unleashed: Nvidia’s RTX 3080 Redefines Higher-Finish Gaming


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