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Tom’s Hardware
Tom’s Hardware
Technology
Aaron Klotz

Nvidia GPU owners may be losing performance because of a simple setting that's disabled by default — enabling Resizable Bar with Profile Inspector can enhance GPU performance by up to 10% in 3DMark

3DMark Port Royal.

YouTuber JayzTwoCents discovered that manually enabling Resizable Bar in certain non-whitelisted games/applications can yield a noteworthy performance boost. The YouTuber published a video showcasing an impressive 10% improvement in score in 3DMark Port Royal from simply turning ReBAR on with Nvidia Profile Inspector.

JayzTwoCents discovered this feature as he was diagnosing some performance issues with his extreme overclocking rig, featuring a Core i9-14900KS and RTX 5090, aimed at competing against LTT labs and extreme overclocker Splave (who has also written content for us). The Intel-powered rig was underperforming in 3DMark Port Royal by several thousand points compared to his GPU test rig featuring a Ryzen 7 9800X3D.

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