Signal65 tests show MI355X far ahead of MI300X in concurrent AI agents

Signal65's PINNACLE benchmark shows AMD's MI355X achieving double the median concurrent agents of MI300X on identical 8-GPU nodes, while its scaling curves diverge sharply from NVIDIA's B300 at 52 concurrent agents.

2026-09-19 ~ 2026-09-19 · 2 related posts

• B300 and MI355X Both Sustain 52 Agents, but the Curves Differ Wildly — ryanshrout · 2026-09-19
• AMD MI355X sustains 2x the concurrent agents of MI300X in Signal65 PINNACLE tests, up to 6.5x on MiniMax-M3 — ryanshrout · 2026-09-19