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New zotac 4090 awful performance in Divinchi resolve

bigbob1

bigbob1

bigbob1

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Joined
1 Oct 2019
Posts
151
Morning guys.

So yesterday was the first opportunity to test my new 4090 on something other than games (games didn't miss a beat)

With my 1080ti rendering a 5 min 4k video normally took 3 or 4 mins (you could say I didn't really need to upgrade but this was likey my only chance for a while) I made a 4 min, 4k clip yesterday, it took 24mins to encode and failed the first time.

Any ideas why? Thanks guys
 
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Could be a few things tbh.

I would start with changing the drivers, get the studio version and maybe rollback to an older version if you're using the latest just in case they're buggy.

Always worth completely wiping DaVinci Resolve out, uninstall it completely, reboot and reinstall.
 
I don't know what the current situation with the 4000 series is, but when I upgraded to a 3070, it took Nvidia months to patch a driver bug that prevented Resolve (and Adobe Premiere Pro) from working properly.

Another tip I saw is to make sure GeForce Experience is not running in the background too.
 
bigbob1 said:
Morning guys.

So yesterday was the first opportunity to test my new 4090 on something other than games (games didn't miss a beat)

With my 1080ti rendering a 5 min 4k video normally took 3 or 4 mins (you could say I didn't really need to upgrade but this was likey my only chance for a while) I made a 4 min, 4k clip yesterday, it took 24mins to encode and failed the first time.

Any ideas why? Thanks guys
Click to expand...

Just curious but are you rendering out in H.265 or H.264 ? From what I've read only H.265 is GPU accelerated in the free version of Resolve.
 
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Linus mentioned on his 4060 review they were having issues with Resolve and didn't post any results so it sounds like a known fault. I would expect Nvidia (provided it's a driver issue) to fix it soon, their pretty reliable for providing prompt fault resolutions.
 
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