llamaperf

NVIDIA B100 192GB vs NVIDIA H200 for local LLMs

0 reports on the NVIDIA B100 192GB and 2 on the NVIDIA H200

Which is faster for local LLMs?

Nobody has reported the same model at the same quant on both cards yet, so there's no measured head-to-head. Memory bandwidth, which caps how fast a card can write, is 1.7x higher on the NVIDIA B100 192GB (8,000 GB/s on the NVIDIA B100 192GB, 4,800 on the NVIDIA H200). The estimates below compare them on the models people run most.

NVIDIA B100 192GB
Memory
192GB
Memory bandwidth
8,000 GB/s
FP16 compute
1750 TFLOPS
Reports
0
NVIDIA H200
Memory
141GB
Memory bandwidth
4,800 GB/s
FP16 compute
989 TFLOPS
Reports
2

Estimated by the calculator

The quant the calculator recommends for each card and its estimated speed at a 32,768-token context with 32 GB of system RAM, from memory bandwidth and the model's shape.

ModelNVIDIA B100 192GBNVIDIA H200
Qwen3.8 27B81.5 t/sFP1648.9 t/sFP16
Qwen3.8 125B · 6B active278.7 t/sQ8_0191.1 t/sQ6_K
DeepSeek V4 Flash 284B · 13B active367.2 t/sQ4_K_M362.5 t/sQ3_K_S
Qwen3.6 35B · 3B active293.3 t/sFP16176.0 t/sFP16
Qwen3.6 27B81.5 t/sFP1648.9 t/sFP16
Gemma 4 26B · 4B active220.0 t/sFP16132.0 t/sFP16

Change the context, RAM or model in the calculator: NVIDIA B100 192GB · NVIDIA H200

Every report on each card, with its source: NVIDIA B100 192GB · NVIDIA H200

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