NVIDIA L40S vs NVIDIA RTX PRO 6000 Blackwell Server Edition, AI & Machine Learning Comparison
NVIDIA RTX PRO 6000 Blackwell Server Edition wins 12 of 12 benchmarks, averaging 82.6% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in Qwen-Image-Edit, where NVIDIA RTX PRO 6000 Blackwell Server Edition leads by 147% (1.06 vs 2.62 images/min); the closest fight is Qwen3-4B (49% apart); VRAM decides part of this one: NVIDIA RTX PRO 6000 Blackwell Server Edition runs 152 of our 12 AI workloads while the other card runs 12, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA L40S | NVIDIA RTX PRO 6000 Blackwell Server Edition | Difference |
|---|---|---|---|
| Qwen3-4B tok/s | 212.05 | 315.72 | -33% |
| Llama-3.1-8B tok/s | 135.51 | 233.8 | -42% |
| Qwen2.5-Coder-14B tok/s | 74.6 | 135.07 | -45% |
| Qwen3-32B tok/s | 34.44 | 63.9 | -46% |
| Llama-3.3-70B tok/s | 16.49 | 32.08 | -49% |
| Stable Diffusion XL images/min | 17.02 | 26.32 | -35% |
| Z-Image Turbo images/min | 8.325 | 14.775 | -44% |
| FLUX.1 dev images/min | 3.836 | 6.75 | -43% |
| FLUX.1 Kontext dev images/min | 1.693 | 3.021 | -44% |
| Qwen-Image-Edit images/min | 1.06 | 2.62 | -60% |
| LTX-Video (distilled) frames/s | 8.01 | 15.64 | -49% |
| Wan 2.2 5B (720p) frames/s | 0.49 | 0.88 | -44% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA L40S is faster on 0 of 9; NVIDIA RTX PRO 6000 Blackwell Server Edition on 9.
| Workflow | NVIDIA L40S | NVIDIA RTX PRO 6000 Blackwell Server Edition | Difference |
|---|---|---|---|
| 24-frame storyboard | 4.1 min | 2.3 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.77x faster |
| 60-second AI short film | 4.9 min | 2.7 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.86x faster |
| 6-panel comic page | 6.5 min | 3.6 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.83x faster |
| Character sheet, 12 poses | 8.4 min | 4.6 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.81x faster |
| Full codebase review | 13.5 min | 7.4 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.82x faster |
| 10 short social clips | 19.1 min | 10.8 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.76x faster |
| 40-product photo shoot | 26.7 min | 15.2 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.76x faster |
| 20 long-form articles | 28.5 min | 14.5 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.96x faster |
| 100-photo restoration batch | 59.6 min | 33.4 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 1.79x faster |
Specifications compared
| NVIDIA L40S | NVIDIA RTX PRO 6000 Blackwell Server Edition | |
|---|---|---|
| VRAM | 48GB | 96GB |
| Architecture | Ada Lovelace | Blackwell |
| Memory bandwidth | 864 GB/s | 1792 GB/s |
| Boost clock | 2,520 MHz | 2,610 MHz |
| TDP | 350 W | 600 W |
| Launch MSRP | $7,500 | $8,565 |
| Release | 2023-08-08 | 2025-03-18 |
FAQ
- Which is better for ai & machine learning: NVIDIA L40S or NVIDIA RTX PRO 6000 Blackwell Server Edition?
- NVIDIA RTX PRO 6000 Blackwell Server Edition performs better for ai & machine learning, winning 12 of 12 benchmarks in our suite with an average 82.6% advantage.
- What are the main hardware differences between NVIDIA L40S and NVIDIA RTX PRO 6000 Blackwell Server Edition?
- NVIDIA L40S has 48GB VRAM and a 350W TDP, while NVIDIA RTX PRO 6000 Blackwell Server Edition has 96GB VRAM and a 600W TDP.
- Does VRAM matter more than speed between NVIDIA L40S and NVIDIA RTX PRO 6000 Blackwell Server Edition?
- For AI, yes, NVIDIA RTX PRO 6000 Blackwell Server Edition fits 8 more of our 12 workloads than NVIDIA L40S. 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 L40S and NVIDIA RTX PRO 6000 Blackwell Server Edition?
- Qwen-Image-Edit: NVIDIA RTX PRO 6000 Blackwell Server Edition leads by roughly 147% (1.06 vs 2.62 images/min) in our testing.
NVIDIA L40S full review · NVIDIA RTX PRO 6000 Blackwell Server Edition full review · All AI & Machine Learning rankings