NVIDIA A100 80GB PCIe vs NVIDIA RTX PRO 4500 Blackwell, AI & Machine Learning Comparison
NVIDIA A100 80GB PCIe wins 10 of 11 benchmarks, averaging 58.5% 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 A100 80GB PCIe leads by 180% (3.964 vs 1.414 images/min); the closest fight is Qwen2.5-Coder 14B (10% apart); VRAM decides part of this one: NVIDIA A100 80GB PCIe runs 12 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 A100 80GB PCIe | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 198.27 | 221.92 | -11% |
| Llama 3.1 8B tok/s | 161.75 | 146.19 | +11% |
| Qwen2.5-Coder 14B tok/s | 88.36 | 80.09 | +10% |
| Qwen3 32B tok/s | 43.77 | 37.61 | +16% |
| Llama 3.3 70B tok/s | 22.89 | 0 | n/a |
| Stable Diffusion XL images/min | 16.8 | 13.1 | +28% |
| Z-Image Turbo images/min | 9.3 | 6.45 | +44% |
| FLUX.1 dev images/min | 3.964 | 1.414 | +180% |
| FLUX.1 Kontext dev images/min | 1.843 | 0.879 | +110% |
| Qwen-Image-Edit images/min | 1.54 | 0 | n/a |
| LTX-Video (distilled) frames/s | 8.51 | 3.58 | +138% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA A100 80GB PCIe is faster on 7 of 7; NVIDIA RTX PRO 4500 Blackwell on 0.
| Workflow | NVIDIA A100 80GB PCIe | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| 24-frame storyboard | 3.7 min | 6.2 min | NVIDIA A100 80GB PCIe 1.70x faster |
| 60-second AI short film | 4.6 min | 10.6 min | NVIDIA A100 80GB PCIe 2.34x faster |
| 6-panel comic page | 5.9 min | 11.6 min | NVIDIA A100 80GB PCIe 1.96x faster |
| Character sheet, 12 poses | 7.7 min | 14.6 min | NVIDIA A100 80GB PCIe 1.91x faster |
| Full codebase review | 11.3 min | 12.5 min | NVIDIA A100 80GB PCIe 1.10x faster |
| 40-product photo shoot | 24.8 min | 50.1 min | NVIDIA A100 80GB PCIe 2.02x faster |
| 100-photo restoration batch | 54.7 min | 1 h 54 min | NVIDIA A100 80GB PCIe 2.08x faster |
Specifications compared
| NVIDIA A100 80GB PCIe | NVIDIA RTX PRO 4500 Blackwell | |
|---|---|---|
| VRAM | 80GB | 32GB |
| Architecture | Ampere | Blackwell |
| Memory bandwidth | 1935 GB/s | 896 GB/s |
| Boost clock | 1,410 MHz | 2,407 MHz |
| TDP | 300 W | 200 W |
| Launch MSRP | $15,000 | $2,600 |
| Release | 2021-06-28 | 2025-08-01 |
FAQ
- Which is better for ai & machine learning: NVIDIA A100 80GB PCIe or NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA A100 80GB PCIe performs better for ai & machine learning, winning 10 of 11 benchmarks in our suite with an average 58.5% advantage.
- What are the main hardware differences between NVIDIA A100 80GB PCIe and NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA A100 80GB PCIe has 80GB 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 A100 80GB PCIe and NVIDIA RTX PRO 4500 Blackwell?
- For AI, yes, NVIDIA A100 80GB PCIe 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 A100 80GB PCIe and NVIDIA RTX PRO 4500 Blackwell?
- FLUX.1 dev: NVIDIA A100 80GB PCIe leads by roughly 180% (3.964 vs 1.414 images/min) in our testing.
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