Evaluating the Infinity Cache in AMD Strix Halo

Strix Halo is the codename for AMD’s highest end mobile chip, which is used in the Ryzen AI MAX series. It combines a powerful CPU with 16 Zen 5 cores and a large GPU with 20 RDNA 3.5 Workgroup Processors (WGPs). The sizeable iGPU makes Strix Halo particularly interesting because GPUs have high bandwidth requirements. Strix Halo tackles that with a 256-bit LPDDR5X-8000 setup combined with 32 MB of memory side cache. The latter is often referred to as Infinity Cache, or MALL (Memory Attached Last...