AMD Ryzen 9 5900H – new processor performance tests for laptops. A first look at the construction of the Cezanne-H APU
Source: Pure PC added 07th Jan 2021In just five days, the AMD conference will take place, during which Dr. Lisa Su will present the fourth generation of APU for laptops, codenamed Cezanne. We will get new units, both low voltage (Cezanne-U) and full voltage (Cezanne-H). The processors will be characterized by the use of the improved Zen 3 architecture, which in games performs noticeably better compared to Zen 2 (APU Renoir). More information about the upcoming processors has appeared on the web. First of all, one of the Chinese portals published the early performance results of the 8-core AMD Ryzen 9 unit 5900 H. In addition, a diagram showing the location of individual elements of the new Cezanne-H APU has been released to the network.
In the new CPU-Z test, the AMD Ryzen 9 processor 5900 H fares better than AMD Ryzen 7 3800 X. In addition, in the single thread test, the Cezanne-H APU scores comparable to Intel’s Willow Cove architecture.
New test procedure for gaming laptops with Intel Tiger Lake-H, AMD Cezanne-H and NVIDIA GeForce RTX 3000
One Chinese site tested a powerful laptop with an AMD Ryzen 9 processor 5900 H and NVIDIA GeForce RTX graphics card 3000 – the exact model not given, and the test that was released to the network concerns only the processor. AMD Ryzen 9 5900 H is 8-core and 16 – thread representative of the APU Cezanne-H series. The base clock is 3.3 GHz with the possibility of increasing to a maximum of 4.6 or 4.7 GHz. Unlike the Ryzen 9 5900 HX, the CPU discussed here does not have an unlocked multiplier. In the CPU-Z test, the processor achieved 617, 4 points and 6076, 6 points. The tester compared the Cezanne APU results to the AMD Ryzen 7 desktop unit 3700 X, where the mobile APU fared better in both tests.
There was also a test in Cinebench R 20. In the single-thread test, the AMD Ryzen 9 processor 5900 H obtained 584 points – this is noticeably higher than Intel Comet Lake-H processors and in fact comparable to what Intel Tiger Lake-U systems, based on the Willow Cove architecture, offer. In the case of the multi-thread test, the processor scored 5264 points – let me remind you that last year’s AMD Ryzen 9 4900 H fluctuated around 4300 points. Unlike competing Intel Core i7 processor – 10875 H, new AMD Ryzen 9 5900 H is better by an average 17% in single thread test and 22% better in terms of multi-threaded performance. Thus, the new AMD chip will be one of the most efficient notebooks to date.
VideoCardz also revealed the construction of the AMD Cezanne processor, based on Zen 3 cores. We can see that the upcoming APUs will be slightly larger. I am talking about a size around 175 mm². By comparison, the Renoir APU is 156 mm². The larger surface area is mainly due to the noticeably larger Zen 3 cores, which are additionally characterized by twice the L3 cache. We do not expect any changes to the amount of PCIe 3.0 lanes available for the CPU (20 , as in Renoir), in turn, during the AMD conference, we will find out exactly what changes have occurred in the graphics system. It will still be Vega, but we hope it is compatible with all the latest codecs.
Source: VideoCardz