02:16
2026-07-13
dev.to
large-language-models
LLM Inference Latency: Why Your 7B Model Gets 15 tok/s on a T4 but 3,500 tok/s on an H100
An engineer's analysis reveals that LLM inference throughput on NVIDIA GPUs is bottlenecked by memory bandwidth, not compute. A 7B model achieves ~15 tok/s on a T4 but over 3,500 tok/s on an H100, a 1β¦