Nvidia B200 Tested: Features 148 Streaming Multiprocessors
StasBekman · x · 2026-08-08
A developer ran a PyTorch test on their Nvidia B200 GPU and revealed it features 148 Streaming Multiprocessors (SMs). The thread points out a spec discrepancy: although B200 and B300 share the same official bf16 TFLOPS, B300 reportedly has more SMs, which mathematically should yield higher TFLOPS.
Related event: Nvidia B200 Tested, B300 Specs Spark Controversy(2 posts)→
More from Infra
- Valtz v0.1.0.11 adds FLUX.3 support, local image gen up to 4K on Mac — TgoAI · 2026-10-16
- Baidu open-sources FlashMask: up to 1.55x faster than FlashAttention-4 for long-context training — BaiduResearch · 2026-10-16
- GYRO quant of Qwen3.8-Flash-Next tested: near Q3 quality at much smaller size — PlasticRevenue4601 · 2026-10-16
- RL train-sample systems are frontier AI's hardest infra problem — and a trade secret — brianryhuang · 2026-10-16
- Local tuning of GLM-5.3-Flash on 2×GB10 lifts decode from 49 to 58 tok/s — EAccelerate_42 · 2026-10-16
- 3x DGX Spark cluster runs GLM-5.3-Flash locally behind a proxy, 1.75M tokens/day at 119W — Teknium · 2026-10-16