AMD MI355X delivers lower TCO per million tokens than NVIDIA B200 for GPT-OSS 120B FP4 summarization at interactivity below 225 tok/s/user. MI300X also beats H100 on GPT-OSS 120B MX4 across all interactivity levels. B200 leads on LLaMA 70B FP4 and high-interactivity workloads.
89%
Overall ConfidenceBased on 5 weighted dimensions
Confidence Breakdown
Authority
30%95Tier 1
Data Quality
25%80Level 4
Recency
20%4091-180 days
Corroboration
15%1003 sources
Specificity
10%100Level 4
Data Points(3)
MI355X beats B200 vLLM and B200 TRT-LLM on TCO for GPT-OSS 120B when interactivity < 225 tok/s/user
Oct 1, 2025MI300X outperforms H100 on GPT-OSS 120B MX4 across entire interactivity range on TCO basis
Oct 1, 2025B200 significantly outperforms MI355X on LLaMA 70B FP4 - AMD FP4 kernels need improvement
Oct 1, 2025