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Ryzen Advantages and Flaws

    • 18 posts
    March 31, 2017 11:50 AM +05

    The first Ryzen 7 1700, 1700X, and 1800X processors debuted in early March 2017, and were generally well received by hardware reviewers. Ryzen was the first brand new architecture from AMD for five years, and without very much initial fine-tuning or optimization, it ran generally well for reviewers. Ryzen was found to be stable, with comparably few performance or BIOS bugs.Initial Ryzen chips ran well with software and games already on the market, performing especially well in workstation scenarios, and well in most gaming scenarios. Compared to Piledriver-powered FX chips, Zen-powered Ryzen chips ran cooler, much faster, and used less power. IPC uplift was eventually gauged to be 52% higher than Excavator, which was two full generations ahead of the architecture still being used in AMD's FX-series desktop predecessors like the FX-8350 and FX-8370. Power consumption and heat were found to be much more competitive with Intel, and the included Wraith coolers were generally competitive with higher-priced aftermarket solutions.

    Ryzen's multi-threaded performance, in some cases while using Blender or other open-source software, was around four times the performance of the FX-8370. One reviewer found that Ryzen chips would typically outperform competing Intel i7 processors for a fraction of the price when all eight cores were utilized.

    One complaint among a subset of reviewers, however, was that Ryzen processors fell behind their Intel counterparts when running older games, or running newer games at mainstream resolutions such as 720p or 1080p. AMD acknowledged the gaming performance deficit at low resolutions during a Reddit AMA, where they explained that updates and patches were in the works. A subsequent update to Ashes of the Singularity increased frame rates 17-31% on Ryzen systems.

    It has been suggested that low core utilization resulted in Ryzen being underutilized, therefore reflecting lower than expected scores, especially when coupled with the fact that Zen's slightly lower IPC relies on full core utilization.However, AMD and others have argued thread scheduling is not the fundamental issue to Windows 10 performance. There were also issues with AM4 motherboards and their BIOS, which was resulting in many Ryzen chips being underclocked, partially shut off, or generally hindered by BIOS bugs.

    Known issues:

    The BIOS shipped with Ryzen processors leads to hard system locks when an application executes certain sequences of FMA3 instructions. AMD stated in mid March 2017 that the issue would be fixed via an update from motherboard manufacturers.

    This post was edited by GZO Admin at July 13, 2017 10:46 AM +05

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