Signal65 says AMD MI355X delivered up to 2.15x better tokens per dollar than NVIDIA B200
ryanshrout · x · 2026-07-23
Signal65’s new evaluation goes beyond raw token throughput and compares real-world inference economics on three production models.
- On blended on-demand cloud pricing, AMD Instinct MI355X delivered up to 2.15x more tokens per dollar than NVIDIA HGX B200.
- MI355X led on GPT-OSS-120B (2.15x), Qwen3-Next-80B (2.11x), and Kimi-K2.6 (1.42x).
- On Kimi-K2.6, B200 had 17% higher raw throughput, but MI355X still won on cost efficiency.
The point of the evaluation is that peak throughput and price-performance are different decisions, and both matter when sizing inference deployments.
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