Unlocked BIOS files are available for the Sapphire Nitro 4G and ASUS STRIX O4G that will give increased performance. Obligatory warning that you could damage your card, but I think this should be relatively safeā¦
The AMD Radeon RX 460 unlocking process involves nothing more than a simple firmware update and can result in a performance upgrade of 12.5%. The Radeon RX 460 is considered a solid choice in terms of price/performance. It comes by default with 56 TMU and 896 Stream Processors in the form of the Polaris 11 GPU architecture. But here’s how to get an additional 8 TMUs and 128 Stream Processors.
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Source: [H]ardOCP – AMD Radeon RX 460 Unlocking From 896 To 1024 Stream Processors