NVIDIA RTX A6000 vs NVIDIA RTX PRO 4500 Blackwell, AI & Machine Learning Comparison
NVIDIA RTX PRO 4500 Blackwell wins 6 of 9 benchmarks, averaging 8.8% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in FLUX.1 dev, where NVIDIA RTX A6000 leads by 53% (2.164 vs 1.414 images/min); the closest fight is Qwen3 32B (17% apart); VRAM decides part of this one: NVIDIA RTX A6000 runs 9 of our 12 AI workloads while the other card runs 9, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA RTX A6000 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 184.34 | 221.92 | -17% |
| Llama 3.1 8B tok/s | 124.87 | 146.19 | -15% |
| Qwen2.5-Coder 14B tok/s | 68.51 | 80.09 | -14% |
| Qwen3 32B tok/s | 32.18 | 37.61 | -14% |
| Llama 3.3 70B tok/s | 15.73 | 0 | n/a |
| Stable Diffusion XL images/min | 10.02 | 13.1 | -24% |
| Z-Image Turbo images/min | 5.4 | 6.45 | -16% |
| FLUX.1 dev images/min | 2.164 | 1.414 | +53% |
| FLUX.1 Kontext dev images/min | 1.05 | 0.879 | +19% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA RTX A6000 is faster on 2 of 6; NVIDIA RTX PRO 4500 Blackwell on 4.
| Workflow | NVIDIA RTX A6000 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| 24-frame storyboard | 7.1 min | 6.2 min | NVIDIA RTX PRO 4500 Blackwell 1.14x faster |
| 6-panel comic page | 12.1 min | 11.6 min | NVIDIA RTX PRO 4500 Blackwell 1.05x faster |
| Full codebase review | 14.6 min | 12.5 min | NVIDIA RTX PRO 4500 Blackwell 1.17x faster |
| Character sheet, 12 poses | 15.2 min | 14.6 min | NVIDIA RTX PRO 4500 Blackwell 1.04x faster |
| 40-product photo shoot | 45.5 min | 50.1 min | NVIDIA RTX A6000 1.10x faster |
| 100-photo restoration batch | 1 h 37 min | 1 h 54 min | NVIDIA RTX A6000 1.18x faster |
Specifications compared
| NVIDIA RTX A6000 | NVIDIA RTX PRO 4500 Blackwell | |
|---|---|---|
| VRAM | 48GB | 32GB |
| Architecture | Ampere | Blackwell |
| Memory bandwidth | 768 GB/s | 896 GB/s |
| Boost clock | 1,860 MHz | 2,407 MHz |
| TDP | 300 W | 200 W |
| Launch MSRP | $4,650 | $2,600 |
| Release | 2020-10-05 | 2025-08-01 |
FAQ
- Which is better for ai & machine learning: NVIDIA RTX A6000 or NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA RTX PRO 4500 Blackwell performs better for ai & machine learning, winning 6 of 9 benchmarks in our suite with an average 8.8% advantage.
- What are the main hardware differences between NVIDIA RTX A6000 and NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA RTX A6000 has 48GB VRAM and a 300W TDP, while NVIDIA RTX PRO 4500 Blackwell has 32GB VRAM and a 200W TDP.
- Does VRAM matter more than speed between NVIDIA RTX A6000 and NVIDIA RTX PRO 4500 Blackwell?
- For AI, yes, NVIDIA RTX A6000 fits 2 more of our 12 workloads than NVIDIA RTX PRO 4500 Blackwell. 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 RTX A6000 and NVIDIA RTX PRO 4500 Blackwell?
- FLUX.1 dev: NVIDIA RTX A6000 leads by roughly 53% (2.164 vs 1.414 images/min) in our testing.
NVIDIA RTX A6000 full review · NVIDIA RTX PRO 4500 Blackwell full review · All AI & Machine Learning rankings