NVIDIA B300 vs NVIDIA Quadro RTX 6000 (Turing), AI & Machine Learning Comparison
NVIDIA B300 wins 9 of 9 benchmarks, averaging 259.8% faster.
NVIDIA Quadro RTX 6000 (Turing)'s numbers are anchored estimates calibrated against our measured cards, pending first-party measurement. Treat small gaps as ties.
What the numbers say
The gap is widest in Stable Diffusion XL, where NVIDIA B300 leads by 392% (29.2 vs 5.94 images/min); the closest fight is Qwen3 4B (166% apart); VRAM decides part of this one: NVIDIA B300 runs 140 of our 12 AI workloads while the other card runs 4, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA B300 | NVIDIA Quadro RTX 6000 (Turing) | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 333.34 | 125.23 | +166% |
| Llama 3.1 8B tok/s | 287.23 | 84.21 | +241% |
| Qwen2.5-Coder 14B tok/s | 158.49 | 46.54 | +241% |
| Qwen3 32B tok/s | 83.68 | 0 | n/a |
| Llama 3.3 70B tok/s | 47.97 | 0 | n/a |
| Stable Diffusion XL images/min | 29.2 | 5.94 | +392% |
| FLUX.1 dev images/min | 20.807 | 0 | n/a |
| FLUX.1 Kontext dev images/min | 10.329 | 0 | n/a |
| Qwen-Image-Edit images/min | 8.14 | 0 | n/a |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA B300 is faster on 1 of 1; NVIDIA Quadro RTX 6000 (Turing) on 0.
| Workflow | NVIDIA B300 | NVIDIA Quadro RTX 6000 (Turing) | Difference |
|---|---|---|---|
| Full codebase review | 6.3 min | 21.5 min | NVIDIA B300 3.41x faster |
Specifications compared
| NVIDIA B300 | NVIDIA Quadro RTX 6000 (Turing) | |
|---|---|---|
| VRAM | 288GB | 24GB |
| Architecture | Blackwell Ultra | Turing (TU102) |
| Memory bandwidth | 8 TB/s | 672 GB/s |
| Boost clock | n/a | 1,770 MHz |
| TDP | 1400 W | 260 W |
| Launch MSRP | $40,000 | $6,300 |
| Release | 2025-11-01 | 2018-08-14 |
FAQ
- Which is better for ai & machine learning: NVIDIA B300 or NVIDIA Quadro RTX 6000 (Turing)?
- NVIDIA B300 performs better for ai & machine learning, winning 9 of 9 benchmarks in our suite with an average 259.8% advantage.
- What are the main hardware differences between NVIDIA B300 and NVIDIA Quadro RTX 6000 (Turing)?
- NVIDIA B300 has 288GB VRAM and a 1400W TDP, while NVIDIA Quadro RTX 6000 (Turing) has 24GB VRAM and a 260W TDP.
- Does VRAM matter more than speed between NVIDIA B300 and NVIDIA Quadro RTX 6000 (Turing)?
- For AI, yes, NVIDIA B300 fits 2 more of our 12 workloads than NVIDIA Quadro RTX 6000 (Turing). A model that exceeds VRAM doesn't run slower, it doesn't run at all, so the card that fits the model wins that workload outright.
- Where is the biggest performance difference between NVIDIA B300 and NVIDIA Quadro RTX 6000 (Turing)?
- Stable Diffusion XL: NVIDIA B300 leads by roughly 392% (29.2 vs 5.94 images/min) in our testing.
NVIDIA B300 full review · NVIDIA Quadro RTX 6000 (Turing) full review · All AI & Machine Learning rankings