The first gaming performance benchmarks of AMD Ryzen 7000 CPUs with the latest AM5 BIOS that improve memory performance and support have been published by Quasarzone & the results may look a bit underwhelming.
Latest AM5 BIOS Greatly Benefits DDR5 Memory Support & Overclock On Ryzen 7000 CPUs But Gaming Performance Remains Unchanged
The folks over at Quasarzone were quick to test out the difference in performance with higher-speed memory that is now enabled thanks to the latest AGESA 1.0.0.7b BIOS. This new BIOS is being teased to offer clock speeds north of DDR5-8000 and even beyond DDR5-9000 and while these numbers look amazing, we have to see if the higher speeds make any difference in real applications.
For this demonstration, the tech outlet updated their ASUS ROG STRIX X670E-E Gaming WIFI to the latest 1514 BETA BIOS which is based on the AGESA 1.0.0.7b firmware. For memory, a pair of KLEVV DDR5 (16 GB x 2) DIMMs were used and run in two configurations, DDR5-6200 (CL30-36-32-66) in a 1:1 mode and DDR5-7400 (CL34-46-44-80) in a 1:2 mode. The platform was tested with both AMD's Ryzen 9 7950X and the Ryzen 7 7800X3D V-Cache chips.
AMD Ryzen 7000 CPU Performance on AM5 With DDR5-6200 & DDR5-7400 Memory Configs (Image Credits: Quasarzone):
First up, it was seen that the new BIOS immediately supports DDR5-7400 frequencies which wasn't the case with the AGESA 1.0.0.7a firmware. It's nice to finally get the EXPO profiles running on AM5 at the speeds they were originally intended to run at. Moving over to the benchmarks, a range of games were tested at 1080P but the results show that on both chips, the higher frequency memory resulted in no performance improvement versus the lower frequency memory.
AMD Ryzen 9 7950X CPU Performance on AM5 With DDR5-6200 & DDR5-7400 Memory (Image Credits: Quasarzone):
AMD Ryzen 7 7800X3D CPU Performance on AM5 With DDR5-6200 & DDR5-7400 Memory (Image Credits: Quasarzone):
In fact, the DDR5-7400 CL34 (1:2) configuration saw a minor performance regression over the DDR5 6200 configuration running in 1:1 mode. Now the performance differences were mostly within the margin of error but it goes off to show that gaming doesn't necessarily take advantage of higher-speed memory. In this case, the memory was run in 1:2 mode which essentially cuts the IMC clock in half. Furthermore, the timings of the higher frequency configuration were also higher. The total bandwidth isn't the only metric that can be used to gain performance however that can become a beneficiary when running an APU where that aspect is more important.
But even if gaming doesn't take advantage of the higher memory speeds, there are other apps that can and that is still a good thing for AMD's AM5 platform and motherboard makers to support such high-speed memory DIMMs. The AGESA 1.0.0.7b BIOS is still in BETA so we can expect more tuning down the road but this is all a good start for AMD's brand new Ryzen ecosystem.
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