Occasionally updating existing graphics cards with new graphics circuit revisions isn’t unusual, as there are minor changes that don’t warrant an entirely new model in the slate. Now it looks like that trend will continue with Nvidia’s AD102-300-A1 for the Geforce RTX 4090, which first launched five months ago.
The new Geforce RTX 4090 graphics chip is named AD102-301-A1, and a Reddit user has One of the first copies With the Founders Edition model. When the user checks what has changed with the new revision, he discovers that the maximum allowable voltage for the graphics card has been reduced from 1.1 to 1.07 volts.
When using manual overclocking to try to force the graphics chip into a higher voltage level, the counter stops at 1.07V. Then the user tried to switch to an older BIOS version of the original variant, but the mismatched PCI Subsystem ID put an end to the plans. Despite the lower voltage, the overclocked graphics card still landed at a peak power consumption of 590W.
It’s not known why Nvidia lowered the maximum allowable voltage for the Geforce RTX 4090, and whether the change only applies to the Founders Edition or whether partner cards are also affected isn’t clear at this time. At the same time, the restriction does not seem to have any significant impact on graphics card performance or overclocking.
Are you more interested in overclocking or undervolting your graphics cards?
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