AMD’s MI355X Trails Nvidia B200 and B300 in AI Efficiency Test

AMD’s Instinct MI355X delivered lower throughput per megawatt than the listed Nvidia B200 and B300 systems in an agentic AI benchmark, giving data center operators a comparison across specific hardware and software configurations. At a target output speed of 100 tokens per second per user, the MI355X result was about 128 million tokens per second per megawatt. Nvidia’s B200 delivered about 193 million, while its B300 delivered about 220 million at the same target speed. The MI355X configuration, added to the benchmark results on Oct.