NVIDIA H100 80GB HBM3 vs NVIDIA RTX PRO 4500 Blackwell, AI & Machine Learning Comparison
NVIDIA H100 80GB HBM3 wins 11 of 11 benchmarks, averaging 224.2% 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 H100 80GB HBM3 leads by 541% (9.064 vs 1.414 images/min); the closest fight is Qwen3 4B (40% apart).
Benchmark results head-to-head
| Benchmark | NVIDIA H100 80GB HBM3 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 310.26 | 221.92 | +40% |
| Llama 3.1 8B tok/s | 261.83 | 146.19 | +79% |
| Qwen2.5-Coder 14B tok/s | 144.84 | 80.09 | +81% |
| Qwen3 32B tok/s | 74.07 | 37.61 | +97% |
| Llama 3.3 70B tok/s | 41 | 0 | n/a |
| Stable Diffusion XL images/min | 34.58 | 13.1 | +164% |
| Z-Image Turbo images/min | 22.125 | 6.45 | +243% |
| FLUX.1 dev images/min | 9.064 | 1.414 | +541% |
| FLUX.1 Kontext dev images/min | 4.264 | 0.879 | +385% |
| Qwen-Image-Edit images/min | 3.68 | 0 | n/a |
| LTX-Video (distilled) frames/s | 17.47 | 3.58 | +388% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA H100 80GB HBM3 is faster on 7 of 7; NVIDIA RTX PRO 4500 Blackwell on 0.
| Workflow | NVIDIA H100 80GB HBM3 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| 24-frame storyboard | 1.8 min | 6.2 min | NVIDIA H100 80GB HBM3 3.41x faster |
| 60-second AI short film | 2.5 min | 10.6 min | NVIDIA H100 80GB HBM3 4.28x faster |
| 6-panel comic page | 3 min | 11.6 min | NVIDIA H100 80GB HBM3 3.91x faster |
| Character sheet, 12 poses | 3.7 min | 14.6 min | NVIDIA H100 80GB HBM3 3.98x faster |
| Full codebase review | 6.9 min | 12.5 min | NVIDIA H100 80GB HBM3 1.81x faster |
| 40-product photo shoot | 11.1 min | 50.1 min | NVIDIA H100 80GB HBM3 4.50x faster |
| 100-photo restoration batch | 23.8 min | 1 h 54 min | NVIDIA H100 80GB HBM3 4.78x faster |
Specifications compared
| NVIDIA H100 80GB HBM3 | NVIDIA RTX PRO 4500 Blackwell | |
|---|---|---|
| VRAM | 80GB | 32GB |
| Architecture | Hopper | Blackwell |
| Memory bandwidth | 3350 GB/s | 896 GB/s |
| Boost clock | 1,980 MHz | 2,407 MHz |
| TDP | 700 W | 200 W |
| Launch MSRP | $30,000 | $2,600 |
| Release | 2022-09-20 | 2025-08-01 |
FAQ
- Which is better for ai & machine learning: NVIDIA H100 80GB HBM3 or NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA H100 80GB HBM3 performs better for ai & machine learning, winning 11 of 11 benchmarks in our suite with an average 224.2% advantage.
- What are the main hardware differences between NVIDIA H100 80GB HBM3 and NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA H100 80GB HBM3 has 80GB VRAM and a 700W TDP, while NVIDIA RTX PRO 4500 Blackwell has 32GB VRAM and a 200W TDP.
- Where is the biggest performance difference between NVIDIA H100 80GB HBM3 and NVIDIA RTX PRO 4500 Blackwell?
- FLUX.1 dev: NVIDIA H100 80GB HBM3 leads by roughly 541% (9.064 vs 1.414 images/min) in our testing.
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