NVIDIA B200 180GB vs NVIDIA RTX Pro 6000 Blackwell for local LLMs
0 reports on the NVIDIA B200 180GB and 51 on the NVIDIA RTX Pro 6000 Blackwell
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 4.5x higher on the NVIDIA B200 180GB (8,000 GB/s on the NVIDIA B200 180GB, 1,792 on the NVIDIA RTX Pro 6000 Blackwell). The estimates below compare them on the models people run most.
- Memory
- 180GB
- Memory bandwidth
- 8,000 GB/s
- FP16 compute
- 2250 TFLOPS
- Reports
- 0
- Memory
- 96GB
- Memory bandwidth
- 1,792 GB/s
- FP16 compute
- 503 TFLOPS
- Reports
- 51
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.
| Model | NVIDIA B200 180GB | NVIDIA RTX Pro 6000 Blackwell |
|---|---|---|
| Qwen3.8 27B | 81.5 t/sFP16 | 18.3 t/sFP16 |
| Qwen3.8 125B · 6B active | 266.2 t/sQ8_0 | 83.1 t/sQ5_K_S |
| DeepSeek V4 Flash 284B · 13B active | 435.6 t/sQ4_K_S | 130.8 t/sQ2_K |
| Qwen3.6 35B · 3B active | 293.3 t/sFP16 | 57.5 t/sFP16 |
| Qwen3.6 27B | 81.5 t/sFP16 | 18.3 t/sFP16 |
| Gemma 4 26B · 4B active | 220.0 t/sFP16 | 49.3 t/sFP16 |
Change the context, RAM or model in the calculator: NVIDIA B200 180GB · NVIDIA RTX Pro 6000 Blackwell
Every report on each card, with its source: NVIDIA B200 180GB · NVIDIA RTX Pro 6000 Blackwell