NVIDIA A40 vs NVIDIA RTX PRO 6000 Blackwell Server Edition, AI & Machine Learning Comparison
NVIDIA RTX PRO 6000 Blackwell Server Edition wins 9 of 9 benchmarks, averaging 182.7% faster.
NVIDIA A40'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 Z-Image Turbo, where NVIDIA RTX PRO 6000 Blackwell Server Edition leads by 358% (3.225 vs 14.775 images/min); the closest fight is Qwen3 4B (96% apart).
Benchmark results head-to-head
| Benchmark | NVIDIA A40 | NVIDIA RTX PRO 6000 Blackwell Server Edition | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 160.79 | 315.72 | -49% |
| Llama 3.1 8B tok/s | 106.18 | 233.8 | -55% |
| Qwen2.5-Coder 14B tok/s | 57.85 | 135.07 | -57% |
| Qwen3 32B tok/s | 26.89 | 63.9 | -58% |
| Llama 3.3 70B tok/s | 0 | 32.08 | n/a |
| Stable Diffusion XL images/min | 9.2 | 26.32 | -65% |
| Z-Image Turbo images/min | 3.225 | 14.775 | -78% |
| FLUX.1 dev images/min | 1.95 | 6.75 | -71% |
| Wan 2.2 5B (720p) frames/s | 0.31 | 0.88 | -65% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA A40 is faster on 0 of 3; NVIDIA RTX PRO 6000 Blackwell Server Edition on 3.
| Workflow | NVIDIA A40 | NVIDIA RTX PRO 6000 Blackwell Server Edition | Difference |
|---|---|---|---|
| 24-frame storyboard | 10.2 min | 2.3 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 4.45x faster |
| Full codebase review | 17.3 min | 7.4 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 2.33x faster |
| 10 short social clips | 33.4 min | 10.8 min | NVIDIA RTX PRO 6000 Blackwell Server Edition 3.09x faster |
Specifications compared
| NVIDIA A40 | NVIDIA RTX PRO 6000 Blackwell Server Edition | |
|---|---|---|
| VRAM | 48GB | 96GB |
| Architecture | Ampere | Blackwell |
| Memory bandwidth | 696 GB/s | 1792 GB/s |
| Boost clock | 1,740 MHz | 2,610 MHz |
| TDP | 300 W | 600 W |
| Launch MSRP | $5,000 | $8,565 |
| Release | 2020-10-05 | 2025-03-18 |
FAQ
- Which is better for ai & machine learning: NVIDIA A40 or NVIDIA RTX PRO 6000 Blackwell Server Edition?
- NVIDIA RTX PRO 6000 Blackwell Server Edition performs better for ai & machine learning, winning 9 of 9 benchmarks in our suite with an average 182.7% advantage.
- What are the main hardware differences between NVIDIA A40 and NVIDIA RTX PRO 6000 Blackwell Server Edition?
- NVIDIA A40 has 48GB VRAM and a 300W TDP, while NVIDIA RTX PRO 6000 Blackwell Server Edition has 96GB VRAM and a 600W TDP.
- Where is the biggest performance difference between NVIDIA A40 and NVIDIA RTX PRO 6000 Blackwell Server Edition?
- Z-Image Turbo: NVIDIA RTX PRO 6000 Blackwell Server Edition leads by roughly 358% (3.225 vs 14.775 images/min) in our testing.
NVIDIA A40 full review · NVIDIA RTX PRO 6000 Blackwell Server Edition full review · All AI & Machine Learning rankings