The first gaming benchmarks of AMD Ryzen 7000 CPUs with the latest AM5 BIOS, which is supposed to improve memory performance and support, have been published by Quasarzone and the results are not necessarily convincing. The latest AM5 BIOS is said to improve DDR5 memory support and overclocking of the Ryzen 7000 CPUs, but gaming performance remains unchanged. The folks at Quasarzone were quick to test the performance difference with faster memory, which is now possible thanks to the latest AGESA 1.0.0.7b BIOS. This new BIOS should allow clock speeds north of DDR5-8000 and even beyond DDR5-9000, they say. While these numbers sound amazing, it remains to be seen if the higher speeds will make a difference in real-world applications.
For this demonstration, Tech-Outlet updated its ASUS ROG STRIX X670E-E Gaming WIFI to the latest 1514 BETA BIOS, which is based on AGESA 1.0.0.7b firmware. Memory used was a pair of KLEVV DDR5 (16 GB x 2) DIMMs, running in two configurations: DDR5-6200 (CL30-36-32-66) in 1:1 mode and DDR5-7400 (CL34-46-44-80) in 1:2 mode. The platform was tested with both the AMD Ryzen 9 7950X and the Ryzen 7 7800X3D V-Cache chip.
AMD Ryzen 7000 CPU performance on AM5 with DDR5-6200 & DDR5-7400 memory configurations:
First, it was noted that the new BIOS now supports DDR5-7400 frequencies, which was not the case with the AGESA 1.0.0.7a firmware. We are happy to see that the EXPO profiles are finally running on the AM5 at the speeds they were originally intended for. A number of games were tested at 1080p in the benchmarks, but the results show that higher frequency memory does not provide a performance boost over lower frequency memory on either chip.
AMD Ryzen 9 7950X CPU performance on AM5 with DDR5-6200 & DDR5-7400 memory:
AMD Ryzen 7 7800X3D CPU performance on AM5 with DDR5-6200 & DDR5-7400 memory:
The DDR5-7400 CL34 (1:2) configuration even showed a slight performance drop compared to the DDR5 6200 configuration in 1:1 mode. The performance differences were mostly within the fault tolerance, but it shows that games do not necessarily benefit from faster memory. In this case, the memory was run in 1:2 mode, essentially halving the IMC clock. In addition, the timings of the higher frequency configuration were also higher. Overall bandwidth isn’t the only parameter that can be used to increase performance, but it can be beneficial when running an APU where this aspect is more important.
But even if games don’t take advantage of the higher memory speeds, there are other applications that can, and this is still a good thing for AMD’s AM5 platform and for motherboard manufacturers that support such high-speed DIMMs. The AGESA 1.0.0.7b BIOS is still in BETA phase, so you can expect more optimizations, but it’s a good start for AMD’s brand new Ryzen ecosystem.
Source: WccfTech
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