Kimi K2.5/K2.6/K2.7-Code 1T — GB200 NVL72 vs MI355X
Head-to-head AI inference benchmark comparison of GB200 NVL72 (NVIDIA Blackwell) and MI355X (AMD CDNA 4) on Kimi K2.5/K2.6/K2.7-Code 1T. Latency, throughput, and cost across LLM workloads. Use the chart controls below to switch sequences, precisions, and metrics — same interactions as the main inference chart.
Near the low end of the 26–123 tok/s/user interactivity band, at 50 tok/s/user on Kimi K2.5/K2.6/K2.7-Code 1T: GB200 NVL72 runs 13143 tok/s/chip at $0.04/M tokens, MI355X runs 3146 at $0.13/M. GB200 NVL72 is 236% cheaper per token; GB200 NVL72 delivers 318% more tok/s/chip.
Setting 74 tok/s/user as the target on Kimi K2.5/K2.6/K2.7-Code 1T, GB200 NVL72 produces 6866 tok/s/chip ($0.08 per million tokens) and MI355X produces 2269 ($0.18). GB200 NVL72 is 143% cheaper per token; GB200 NVL72 delivers 203% more tok/s/chip.
At 99 tok/s/user interactivity on Kimi K2.5/K2.6/K2.7-Code 1T, GB200 NVL72 delivers 1548 tok/s/chip at $0.33 per million tokens; MI355X delivers 1618 tok/s/chip at $0.26. MI355X is 29% cheaper per token; MI355X delivers 4% more tok/s/chip at this point. (Numbers reflect the default 8k/1k · fp4 selection for this URL — table and chart below update if you change sequence, precision, or model in the controls.)
| Metric | Interactivity (tok/s/user) | Interactivity (tok/s/user) | Interactivity (tok/s/user) |
|---|---|---|---|
| Throughput (tok/s/chip) | GB200 NVL72:13143.1MI355X:3145.5 | GB200 NVL72:6866.4MI355X:2269.2 | GB200 NVL72:1548.2MI355X:1617.8 |
| Cost ($/M tok) | GB200 NVL72:$0.039MI355X:$0.132 | GB200 NVL72:$0.075MI355X:$0.183 | GB200 NVL72:$0.334MI355X:$0.259 |
| tok/s/MW | GB200 NVL72:7028421MI355X:1505042 | GB200 NVL72:3671864MI355X:1085724 | GB200 NVL72:827888MI355X:774072 |
| Concurrency | GB200 NVL72:~1229MI355X:~29 | GB200 NVL72:~697MI355X:~14 | GB200 NVL72:~256MI355X:~8 |
Inference Performance
Inference performance metrics across different models, hardware configurations, and serving parameters.