AMD Radeon RX 7900 XTX & XT: PowerColor Hellhound offers 14-layer PCB and 20 phases

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The manufacturer PowerColor, for years the second major exclusive partner for graphics cards from AMD alongside Sapphire, has its custom designs of the Radeon RX 7900 XTX and 7900 XT from the Red Devil positioned graphics card series Hellhound and gives the first key data.

PowerColor makes the new Hellhound series official

After PowerColor had already made the first product images of the Radeon RX 7900 XTX and 7900 XT from the Hellhound and Red Devil series public at the end of November, the series, which is positioned slightly below the in-house spearhead, including the first specifications, is now officially introduced.

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PowerColor Radeon RX 7900 XTX & 7900 XT Hellhound (Picture: PowerColor)

Even if the clock frequencies such as base and boost clock as well as possible higher manufacturer-specific TDP values ​​or power limits until the release of the graphics cards on December 13 will remain under wraps for the time being by AMD, the exclusive partner is already revealing the first key data.

PowerColor Radeon RX 7900 XTX Hellhound

  • 8 × 6mm heat pipes
  • Custom PCB with 14 layers
  • 20 phase voltage modulation
  • 91 × 89 × 2.6 mm direct touch copper plate
  • LED, OC switch for RGB lighting and BIOS
  • New fans in an optimized 9-blade design
  • 2× 8-pin PCIe 4.0 connectors

According to PowerColor, the information initially relates to the large custom design based on the Radeon RX 7900 XTX with 48 workgroup processors, 96 compute units and 6,144 or 12,288 shader units.

The 14-layer PCB of the PowerColor Radeon RX 7900 XTX Hellhound with 20 VRMs (Image: PowerColor)

The three new fans on the 2.5 to 3-slot cooling solution have a new “9-Blade” Design” and are designed to keep the graphics card 3 degrees Celsius cooler than the previous generation with RDNA 2 architecture.

Red Devil is to crown the RDNA 3 portfolio

Above the new Hellhound series will PowerColor position its graphics cards from the Red Devil series, which rely on an even more complex PCB with more voltage converters, an even more powerful cooling concept and three 8-pin PCIe connectors for up to 525 watts and 516 watts respectively.

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PowerColor will release its Radeon RX 7900 XTX and XT models in the Red Devil and Hellhound series (Image: PowerColor)

Sapphire Vapor-X and Nitro+ are also out of the hat

In addition to PowerColor, Sapphire has the Radeon RX 7900 XTX and Radeon RX 7900 XT Vapor-X and the Nitro+ already announced two of his upcoming custom designs with Navi 31 based on RDNA 3. However, it is not yet certain whether all manufacturers will accompany the release of the Radeon RX 7000 series at the start of sales on December 13.