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Problems in UE5 with 3080ti OC version


I had/have problems with my gigabite 3080ti gaming OC edition. I'm using Unreal Engine 5 for developing and that's crashing my graphics drivers from time to time (I don't know why). The card is performing well in 3D-Mark an various games and even in UE5 I got exellent performance, until all screens suddenly go black and the graphics card is putting all fans to 100%.


The whole PC is than running normally except for the graphics card. That means even though I can't see anything, music is still playing and with a single press on the power button the computer is shutting down regularly.

The big deal about this: When that happened 3 times in the first weeks. My card was broken and I had to send it back for warranty, because after the last incident the pc couldn't be turned on again. I tried to "let it cool down" but that didn't made any difference. Just a "click" from the power supply when I pressed the power button to turn it on again.


How I am sure that it was the graphics card? -> without the graphics card it booted normally (on core intern graphics (intel)). Even with an old GTX980 everything worked fine.


After 5 weeks of repair the card came back to me. I thought it maybe ran too hot and adjusted the fan curve with "MSI Afterburner". I started UE5 and looked at MSI Afterburner and the temperature was always around 64°C (/147,2 °F if google calculates right) Than it happened again: All screens black. Now I'm a little scared to test more and search for the reason. I don't want a broken card again. Any ideas? Is there somebody with the same problem?

Additional information:
The card is boosting very high consistently when using unreal engine 5. MSI Afterburner is showing a constant core clock of 2025mhz and a constant memory clock of 9000mhz.

-------------My rig--------------
CPU        - intel 12600k
RAM       - 64GB DDR5 corsair

Storage - C:\ is a Samsung 980 PRO

GPU      - Gigabite 3080ti OC  (12GB Gigabyte GeForce RTX 3080 Ti Gaming OC Activ PCIe 4.0 x16)
MB        - ROG STRIX Z690-I Gaming WIFI
PSU      -SFX 750Watt Corsair  "SF750" (I have a watt-meter measuring the drawn power from the grid and it seems to be no more than 430 - 444watts at any given moment (for the whole pc)) .

The "feedback" from the warranty guys was: "We found nothing, card worked". But the card was definitely not working when I send it in (tested that over a few days, hoping it would recover on it's own) and it worked again when it came back. Im confused but happy about that.

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Just to double check, does this behaviour happen anywhere other than UE5? I am only on a 1080 Ti, but I couldn''t for the live of me get UE5 to be even remotely stable when I tried it a few weeks ago. Best I got was maybe 5 minutes without crashing.

Crystal: CPU: i7 7700K | Motherboard: Asus ROG Strix Z270F | RAM: GSkill 16 GB@3200MHz | GPU: Nvidia GTX 1080 Ti FE | Case: Corsair Crystal 570X (black) | PSU: EVGA Supernova G2 1000W | Monitor: Asus VG248QE 24"

Laptop: Dell XPS 13 9370 | CPU: i5 10510U | RAM: 16 GB

Server: CPU: i5 4690k | RAM: 16 GB | Case: Corsair Graphite 760T White | Storage: 19 TB

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UE5 is running with really sh*tty perfomance on the old GTX980, but stable . And in the company I'm working in, it's also pretty stable on all of the pcs there. (these have also 1080ti or RTX2080). So I think it's a problem with my graphics card.

Also the people on youtube upload streams, showing that working for hours without interruptions should be possible. Also nobody  had a broken card after a ue5 crash like me 😞.

EDIT: Here is what GPUZ shows while using UE5. (Im testing lower clocks using MSI Afterburner, thats why it's clock is not 2025mhz but 1965mhz in this picture.) Anything suspicious here?


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