PowerColor Radeon RX 7900 XTX Hellhound Spectral White review

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Meet the flagship Radeon RX 7900 XTX.  The Radeon RX 7900 XTX boasts impressive specs, including 96 ray accelerators, 192 ROPs, 12,288 shader processors, and 384 texture units. It comprises 58 billion transistors, offering peak half precision performance of 123 TFLOPs and single precision performance of up to 61 TFLOPs. A 96 MB infinite cache supports the GPU, while the 24 GB of GDDR6 memory operates at 20 Gbps, achieving a maximum bandwidth of 960 GB/s. 



An vapor chamber cooling system features direct contact between the primary GPU chip, GDDR6 memory, and the chamber itself. Heat from these components is transferred into the vaporization chamber, where working fluid and pure water easily vaporize within the vacuum. The vapor then moves to the condensing wick, which is close to the cooled surface, where it transforms back into a liquid. Capillary action transports the liquid back to the vaporization wick, where it is reheated and vaporized again, forming a recycled liquid cooling system.



The Radeon RX 7900 XTX offers diverse connectivity options, featuring 3x DisplayPort 2.1 and 1x HDMI 2.1 outputs. With AMD's Radiance Display engine, the card supports DisplayPort 2.1, enabling frame rates as high as 480Hz in 4K and 165Hz in 8K. 



The card requires two 8-pin power connectors and sports a triple-fan cooler with a 3-slot design, as well as triple 8-pin PCIe power connectors.




The Spectral White edition of the RX 7900 XTX comes pre-overclocked, typical for TUL/PowerColor products. With a game clock featuring a boost clock of 2525MHz, the card also includes a dual BIOS switch and three 8-pin PCIe ports. The custom model of the RX 7900 XTX graphics card sports two HDMI 2.1 ports and two DisplayPort 2.1 ports on the back, indicating a unique PCB design that sets it apart from the standard board.


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