The latest Nvidia driver has "a bug" bad enough that it's been pulled, but there is an easy fix

If you've downloaded the most recent GeForce 595.59 WHQL Game Ready driver, you'll want to roll back to 591.86 instead, using ...

Another Nvidia GPU driver has issues, causing up to 16% drops in performance

If you've downloaded Nvidia GeForce Game Ready driver 595.71, it could be reducing your GPU performance, particularly for overclocked cards.
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Nvidia driver 595.71 causes up to 16% performance drop on RTX cards

Nvidia's newest driver update is throttling RTX 5090 and RTX 5070 Ti cards, with manual overclocking setups losing up to 16% performance. Rolling back to version 591.74 restores normal speeds until a ...
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Nvidia driver issues continue as 595.71 curbs GPU voltage and clock speeds

Nvidia GeForce Game Ready Driver 595.71 is stifling the performance potential of graphics cards through strange changes to GPU voltage.