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Games crash with new 5090 and 4 sticks of RAM

glenimp617

glenimp617

glenimp617

Soldato
Joined
30 Sep 2005
Posts
16,825
Interesting one...

Installed my new 5090 yesterday and noticed my games (well, AMS2) would crash at random points, usually about 5-10mins in. Did some troubleshooting and noticed the crashing stopped when I disabled XMP in the BIOS. Read on the AMS2 forums other people also had crashing.

My PC had 4 x 16GB Corsair 3600 CAS18. I don't actually need 64GB anymore so as I test I removed 2 of the sticks and put back XMP. The crashes have still gone. Just been gaming for a good hour and it's fine.

PC has been perfect with my old 4090 for the past two years.

any ideas?
 
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Are you on AM4/5? AMD can struggle a bit with more than two sticks, even if it was running fine with your 4090 the added CPU usage from your 5090 might have knocked things over the edge.
 
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glenimp617 said:
No, AM4. It's a 5800X3D
Click to expand...

Same possibility tbh, I meant to list AM4/5 (since edited).

It seems a tad unlikely but I'm not sure what else could cause things to suddenly stop working.

Edit: Did you run memtest on all of the sticks? Or tried running with the two you removed by themselves at least? There is a chance a fault has developed with one of them.
 
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Could be anything really

Drivers on RTX5000 is terrible, so they could be causing crashes

The other possibility is that your CPU or RAM are unstable and have always been unstable but you only notice it now because the 5090 is making your CPU work harder than the 4090 did, and the CPU working harder make it more reliant on the RAM

The pc store I use told me when they replace any component on a customer's PC, even if it's just swapping one component like the GPU or RAM, they always perform new stress tests prior to shipping the PC back to the customer because even replacing one component can make a previously stable PC now become unstable
 
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Quartz said:
Something you might try is to swap the 2x 16 GB sticks with those you removed. It’s just possible one is faulty.
Click to expand...

Yeah, no idea if this has any relevance but the RGB on the pair I removed was much dimmer and not as colourful as the others? The white was more of a dim cream colour. Maybe they were just getting old :cry:
 
willhub said:
I run a 5800x3d with 4 sticks of 8gb and it runs fine, so probably nvidia driver issues.
Click to expand...

There is a good chance your 8GB sticks are single sided and the 16GB sticks are double sided. Not all ram is the same.
If it was a driver issue, removing 2 of the sticks would not fix it.

Running 4 sticks has been problematic for years, sometimes with AMD, sometimes with Intel, as it puts more strain on the memory controller. It's always less stable and takes more care.
If you're not happy running just 2 sticks you can always try with 4, but up the voltage a bit from the default XMP values.
 
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