AMD’s upcoming flagship Radeon RX 6950 XT vBIOS Shows the CPU to come with a maximum 5 GHz Cap

AMD’s forthcoming flagship Radeon RX 6950 XT graphics card will use a Navi 21 GPU with a new KXTX name, according to a leaked BIOS for this board. Furthermore, the new GPU will have a frequency maximum of 5.0 GHz and a significantly greater overall power limit than the Radeon RX 6900 XT chips.

The Navi 21 XTX graphics processing unit in AMD’s Radeon RX 6900/6950 XT-series graphics cards has all 5,120 stream processors active. Meanwhile, the Navi 21 XTX GPU has a clock rate restriction of 2.80 GHz, while the Navi 21 XTXH has a frequency limit of 3.0 GHz (some overclockers have managed to get around that constraint and boost the GPU clock up to 3.20 GHz). The newly revealed Navi 31 KXTX, on the other hand, has a 5.0 GHz cap, which practically means no cap.

AMD’s Radeon RX 6950 XT boards with the Navi 21 KXTXH GPU will have a total power restriction of 325W (Sapphire) and 332W (MSI), up from 255W for AMD’s own Radeon RX 6900 XT based on the Navi 21 XTX chipset.

Late on Friday, TechPowerUp mistakenly leaked firmware.rom files for MSI’s and Sapphire’s Radeon RX 6950 XT graphics cards and their internals, disclosing vital insights about the boards. While the website was quick to remove the BIOSes from its collection, Chiphell and VideoCardz were able to quickly extract all of the pertinent data from these files, revealing some fascinating facts.

The Radeon RX 6950 XT from AMD is unquestionably the best Radeon RX 6000-series graphics card available, with maximum performance and no restrictions (in fact, it is faster than the Radeon RX 6900 XT by 17 percent in some benchmarks). It looks to be equipped with an all-new Navi 21 KXTX GPU that is allegedly binned for extremely high frequencies, has no maximum frequency limitation, a whopping 332W power limit, and 16GB of GDDR6 memory with an 18 GT/s data transfer rate.

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