NVIDIA A100 40GB SXM4 vs NVIDIA RTX PRO 4500 Blackwell, AI & Machine Learning Comparison
NVIDIA A100 40GB SXM4 wins 8 of 11 benchmarks, averaging 65.9% faster.
NVIDIA A100 40GB SXM4'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 FLUX.1 dev, where NVIDIA A100 40GB SXM4 leads by 202% (4.264 vs 1.414 images/min); the closest fight is Llama-3.1-8B (8% apart); VRAM decides part of this one: NVIDIA RTX PRO 4500 Blackwell runs 135 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 40GB SXM4 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| Qwen3-4B tok/s | 193.14 | 221.92 | -13% |
| Llama-3.1-8B tok/s | 157.26 | 146.19 | +8% |
| Qwen2.5-Coder-14B tok/s | 86.2 | 80.09 | +8% |
| Qwen3-32B tok/s | 43.8 | 37.61 | +16% |
| Llama-3.3-70B tok/s | 0 | 0 | n/a |
| Stable Diffusion XL images/min | 18.576 | 13.1 | +42% |
| Z-Image Turbo images/min | 9.975 | 6.45 | +55% |
| FLUX.1 dev images/min | 4.264 | 1.414 | +202% |
| FLUX.1 Kontext dev images/min | 1.993 | 0.879 | +127% |
| Qwen-Image-Edit images/min | 0 | 0 | n/a |
| LTX-Video (distilled) frames/s | 8.95 | 3.58 | +150% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA A100 40GB SXM4 is faster on 7 of 7; NVIDIA RTX PRO 4500 Blackwell on 0.
| Workflow | NVIDIA A100 40GB SXM4 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| 24-frame storyboard | 3 min | 6.2 min | NVIDIA A100 40GB SXM4 2.03x faster |
| 60-second AI short film | 4 min | 10.6 min | NVIDIA A100 40GB SXM4 2.68x faster |
| 6-panel comic page | 4.8 min | 11.6 min | NVIDIA A100 40GB SXM4 2.43x faster |
| Character sheet, 12 poses | 6.3 min | 14.6 min | NVIDIA A100 40GB SXM4 2.33x faster |
| Full codebase review | 11.7 min | 12.5 min | NVIDIA A100 40GB SXM4 1.07x faster |
| 40-product photo shoot | 22.2 min | 50.1 min | NVIDIA A100 40GB SXM4 2.25x faster |
| 100-photo restoration batch | 50.2 min | 1 h 54 min | NVIDIA A100 40GB SXM4 2.27x faster |
Specifications compared
| NVIDIA A100 40GB SXM4 | NVIDIA RTX PRO 4500 Blackwell | |
|---|---|---|
| VRAM | 40GB | 32GB |
| Architecture | Ampere | Blackwell |
| Memory bandwidth | 1555 GB/s | 896 GB/s |
| Boost clock | 1,410 MHz | 2,407 MHz |
| TDP | 400 W | 200 W |
| Launch MSRP | $12,000 | $2,600 |
| Release | 2020-05-14 | 2025-08-01 |
FAQ
- Which is better for ai & machine learning: NVIDIA A100 40GB SXM4 or NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA A100 40GB SXM4 performs better for ai & machine learning, winning 8 of 11 benchmarks in our suite with an average 65.9% advantage.
- What are the main hardware differences between NVIDIA A100 40GB SXM4 and NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA A100 40GB SXM4 has 40GB VRAM and a 400W TDP, while NVIDIA RTX PRO 4500 Blackwell has 32GB VRAM and a 200W TDP.
- Does VRAM matter more than speed between NVIDIA A100 40GB SXM4 and NVIDIA RTX PRO 4500 Blackwell?
- For AI, yes, NVIDIA RTX PRO 4500 Blackwell fits 13 more of our 12 workloads than NVIDIA A100 40GB SXM4. 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 40GB SXM4 and NVIDIA RTX PRO 4500 Blackwell?
- FLUX.1 dev: NVIDIA A100 40GB SXM4 leads by roughly 202% (4.264 vs 1.414 images/min) in our testing.
NVIDIA A100 40GB SXM4 full review · NVIDIA RTX PRO 4500 Blackwell full review · All AI & Machine Learning rankings