AMD's upcoming Ryzen 8950X Zen 5 CPU is expected to offer significant performance improvements, with a 12-21% increase in single-threaded performance and an 18-40% increase in multi-threaded performance compared to its predecessor. The Ryzen 8955HX, a chiplet-based processor with 16 Zen 5 CPU cores and a 40-CU RDNA 3.5 GPU, is rumored to perform similarly. AMD CEO expressed excitement about the upcoming Zen 5 processors, stating that customer feedback on the next-gen EPYC server processors based on Zen 5 has been very strong. Leaked shipping manifests reveal the existence of upcoming AMD Ryzen 8040U mobile and 7000G desktop CPUs. AMD is reportedly preparing to launch Ryzen 9 7840HX and Ryzen 9 7940HX processors for laptops, aiming to capture additional market share and address price-conscious buyers while maintaining margins. A bug fix in Linux version 6.6 addresses an issue surrounding undefined instruction exceptions on Zen 4 chips when the Single Threaded Indirect Branch Predictors (STIBP) are disabled.

AMD's Zen 5 CPU and Linux Bug Fix