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RTX 4090 FE unstable because of lower VRAM temps?

P4-630

P4-630

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nichetcher said:
First time post here so bear with me please...


So I've tried 3 4090s in terms of OC and benching on Superposition/3Dmark-Port Royal...

MSI Trio got me the best scores and I max out at 3145Mhz/12300Mhz
Gigabyte Windforce was second at 3130/12000
Founder Edition I can't break 3000/11500 without major crashing, and I got the FE because I read that the chips are binned, but I feel like I need to either RMA or find another 4090...

How many of you are dealing with this "cold memory bug" that I keep reading about? I feel like that's what's happening on this FE, but I don't know what to do here.

Thanks in advance!
Click to expand...

Get/keep the MSI gaming X/Z Trio / Suprim !!
 
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3x0

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nichetcher said:
How many of you are dealing with this "cold memory bug" that I keep reading about? I feel like that's what's happening on this FE, but I don't know what to do here.
Click to expand...
Unless you're watercooling it's not a cold memory bug but just a worse OCer.
 
Shrek

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Slipknot79 said:
Yo,
i have made a move to watercooling today. Before that move, the VRAM has run at +1800MHz.
With watercooling even +1700MHz are not stable, games crash or i get bleck screens (PC is not frozen)

Can lower VRAM temps cause more problems with overclocked VRAMs? Is anything known about this?
Click to expand...

Is it possible that the VRMs (voltage regulator modules) run hotter when denied air flow?
assuming they are not benefiting from the water cooling.
 
S

Slipknot79

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nichetcher said:
First time post here so bear with me please...


So I've tried 3 4090s in terms of OC and benching on Superposition/3Dmark-Port Royal...

MSI Trio got me the best scores and I max out at 3145Mhz/12300Mhz
Gigabyte Windforce was second at 3130/12000
Founder Edition I can't break 3000/11500 without major crashing, and I got the FE because I read that the chips are binned, but I feel like I need to either RMA or find another 4090...

How many of you are dealing with this "cold memory bug" that I keep reading about? I feel like that's what's happening on this FE, but I don't know what to do here.

Thanks in advance!
Click to expand...

I ve left the thin foil on the pads. Gained around 10°C, now its 50-60°C ingame with my watercooling. Gained around +200MHz VRAM clock.
 
Shrek

Shrek

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eidairaman1 said:
Which sounds retarded in design.
Click to expand...

One doesn't always get that luxury; for example, transistors are more efficient when hot than cold, that's physics, not design (the thermal energy helps to overcome the diode drop)
 
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