AMD MI355x Beats B300 on AgentX Tokens per Dollar

SemiAnalysis posted two updates highlighting a new AMD MI355x submission that delivers more total tokens per dollar of TCO than B300 at lower interactivity ranges on AgentX. The firm noted both high-throughput configurations rely on disaggregated setups. Charts attached to the posts display Kimi K3 2.8T Agentic results plotted against P90 interactivity. The account credited vLLM, AMD, and LMCache engineers for the work. No further details on test conditions or independent verification appear in the posts.