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First mentions of AMD RDNA1 "Cyan Skillfish" iGPU for future Ryzen APUs appear in Linux code

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All the leaked AMD processor roadmaps we got up until now show how Team Red plans to replace the Vega iGPUs with RDNA2 models. A bit strange to skip over the original RDNA architecture, considering that it offers a smaller die size with a fairly higher transistor density compared to its successor. Sure, it does not integrate ray tracing tech, but no one really expects good ray tracing performance from an iGPU anyway, plus it is also more cost effective due to its smaller die size. However, AMD might have reconsidered this aspect in the meantime, as Phoronix recently discovered mentions about a “Cyan Skillfish” iGPU based on the RDNA1 architecture for unnamed upcoming APUs in the Linux 5.15 OS code.

It could be that AMD wants to keep the RDNA2 iGPUs on the more powerful APUs like the laptop H-series and the Pro G-series for desktops, while upcoming embedded and U-series may only feature the RDNA1 graphics since these models come with lower TDPs. An interesting alternative here would be the inclusion of these RDNA1 iGPUs on the high-end desktop processors, so that AMD could finally fully match what Intel is offering.

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Upcoming AMD CPU with RDNA1 graphics may be coming, spotted...

  • Upcoming AMD CPU with RDNA1 graphics may be coming, spotted in Linux code

    Rumor mill: AMD appears to be readying another APU (accelerated processing unit) according to driver code spotted in the Linux 5.15 release, although it appears to be using an RDNA1-based integrated GPU rather than the second generation going into newer products.

    The graphics driver patches as reported by Phoronix on Friday appear to be referring to a processor with graphics codenamed "Cyan Sailfish." The APU might be targeted for consumer or embedded applications, although the usage of the first-generation RDNA architecture is perhaps the most unexpected aspect of this. The past few generations of these processors with onboard graphics (all the way up to Ryzen 5000 APUs on both mobile and desktop) have continued to use AMD's Vega architecture from 2017, albeit with various updates and refreshes over the years.

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