NVIDIA GeForce RTX 4090 vs NVIDIA RTX PRO 4500 Blackwell, AI & Machine Learning Comparison
NVIDIA GeForce RTX 4090 wins 7 of 11 benchmarks, averaging 20.2% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in LTX-Video (distilled), where NVIDIA GeForce RTX 4090 leads by 31% (4.7 vs 3.58 frames/s); the closest fight is Z-Image Turbo (15% apart); VRAM decides part of this one: NVIDIA RTX PRO 4500 Blackwell runs 9 of our 12 AI workloads while the other card runs 8, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA GeForce RTX 4090 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 260.54 | 221.92 | +17% |
| Llama 3.1 8B tok/s | 171.29 | 146.19 | +17% |
| Qwen2.5-Coder 14B tok/s | 95.12 | 80.09 | +19% |
| Qwen3 32B tok/s | 44.28 | 37.61 | +18% |
| Llama 3.3 70B tok/s | 0 | 0 | n/a |
| Stable Diffusion XL images/min | 16.28 | 13.1 | +24% |
| Z-Image Turbo images/min | 7.425 | 6.45 | +15% |
| FLUX.1 dev images/min | 0 | 1.414 | n/a |
| FLUX.1 Kontext dev images/min | 0 | 0.879 | n/a |
| Qwen-Image-Edit images/min | 0 | 0 | n/a |
| LTX-Video (distilled) frames/s | 4.7 | 3.58 | +31% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA GeForce RTX 4090 is faster on 3 of 3; NVIDIA RTX PRO 4500 Blackwell on 0.
| Workflow | NVIDIA GeForce RTX 4090 | NVIDIA RTX PRO 4500 Blackwell | Difference |
|---|---|---|---|
| 24-frame storyboard | 5 min | 6.2 min | NVIDIA GeForce RTX 4090 1.24x faster |
| 60-second AI short film | 7.9 min | 10.6 min | NVIDIA GeForce RTX 4090 1.34x faster |
| Full codebase review | 10.5 min | 12.5 min | NVIDIA GeForce RTX 4090 1.19x faster |
Specifications compared
| NVIDIA GeForce RTX 4090 | NVIDIA RTX PRO 4500 Blackwell | |
|---|---|---|
| VRAM | 24GB | 32GB |
| Architecture | Ada Lovelace | Blackwell |
| Memory bandwidth | 1008 GB/s | 896 GB/s |
| Boost clock | 2,520 MHz | 2,407 MHz |
| TDP | 450 W | 200 W |
| Launch MSRP | $1,599 | $2,600 |
| Release | 2022-10-12 | 2025-08-01 |
FAQ
- Which is better for ai & machine learning: NVIDIA GeForce RTX 4090 or NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA GeForce RTX 4090 performs better for ai & machine learning, winning 7 of 11 benchmarks in our suite with an average 20.2% advantage.
- What are the main hardware differences between NVIDIA GeForce RTX 4090 and NVIDIA RTX PRO 4500 Blackwell?
- NVIDIA GeForce RTX 4090 has 24GB VRAM and a 450W TDP, while NVIDIA RTX PRO 4500 Blackwell has 32GB VRAM and a 200W TDP.
- Does VRAM matter more than speed between NVIDIA GeForce RTX 4090 and NVIDIA RTX PRO 4500 Blackwell?
- For AI, yes, NVIDIA RTX PRO 4500 Blackwell fits 2 more of our 12 workloads than NVIDIA GeForce RTX 4090. 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 GeForce RTX 4090 and NVIDIA RTX PRO 4500 Blackwell?
- LTX-Video (distilled): NVIDIA GeForce RTX 4090 leads by roughly 31% (4.7 vs 3.58 frames/s) in our testing.
NVIDIA GeForce RTX 4090 full review · NVIDIA RTX PRO 4500 Blackwell full review · All AI & Machine Learning rankings