AMD Ryzen 9 5900H in leaked Mechrevo laptop with GeForce RTX 30 GPU shows very promising synthetic benchmark improvements over Ryzen 9 4900HS and Intel Core i7-10875H

The new Cezanne Zen 3 mobile APUs from AMD should be launched soon, and yet another example of the upcoming Ryzen 5000 series has been spotted setting terrific synthetic benchmark scores. This time, a Ryzen 9 5900H was tested in a Mechrevo laptop by Chinese outlet SMZDM (shared by @9550pro via VideoCardz), which apparently was also fitted with a GeForce RTX 30 mobile chip, possibly even the high-end RTX 3080 laptop GPU. The laptop was put through its paces on CPU-Z and Cinebench R20, with the latter benchmark offering up some revealing results.

The Ryzen 9 5900H amassed a single-core score of 584 points and a strong multi-core score of 5,264 points. We don’t have a Cinebench R20 test result for the previous-generation Ryzen 9 4900H, but we did get the opportunity to test out the Renoir chip Ryzen 9 4900HS. This 8-core chip is very similar to the Ryzen 9 4900H but has slightly lower base and boost clocks. Our results for this APU were 495 points (single) and 4,288 points (multi), which puts the Ryzen 5000 chip +17.98% and +22.76% ahead, respectively.

Along with demonstrating promising generational performance improvements over Ryzen 4000, the Ryzen 9 5900H also performed strongly against the 8-core i7-10875H. Both parts have a 45 W TDP but the Comet Lake chip is based on a 14nm manufacturing process while the Cezanne APU is based on 7nm technology. The base and boost clocks are also quite different, with the Intel Core i7-10875H ranging from 2.30 GHz to 5.10 GHz while the Ryzen 9 5900H goes from 3.30 GHz to 4.65 GHz. The AMD processor showed good improvements over the maximum results we have recorded for the Intel part, but the differences when compared to our median scores were more than excellent.

At +11.45% and +26.05% over the maximum scores we measured with the Comet Lake SoC, the Ryzen 9 5900H has performed well enough to deserve some praise, especially with the typically strong AMD multi-core performance. However, if we compare the Cezanne-H part’s results with our median scores (from 26 devices) for the i7-10875H in Cinebench R20 then an even more impressive picture is painted. A single-core increase of +20.41% and an incredible multi-core score difference of +54.62% point toward another mobile processor series success in the making for Team Red.

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