NVIDIA B200 vs NVIDIA RTX A6000, AI & Machine Learning Comparison
NVIDIA B200 wins 9 of 9 benchmarks, averaging 272.3% 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 B200 leads by 507% (13.136 vs 2.164 images/min); the closest fight is Qwen3 4B (72% apart); VRAM decides part of this one: NVIDIA RTX A6000 runs 145 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 B200 | NVIDIA RTX A6000 | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 317.93 | 184.34 | +72% |
| Llama 3.1 8B tok/s | 274.41 | 124.87 | +120% |
| Qwen2.5-Coder 14B tok/s | 150.96 | 68.51 | +120% |
| Qwen3 32B tok/s | 78.56 | 32.18 | +144% |
| Llama 3.3 70B tok/s | 44.54 | 15.73 | +183% |
| Stable Diffusion XL images/min | 46.12 | 10.02 | +360% |
| Z-Image Turbo images/min | 32.325 | 5.4 | +499% |
| FLUX.1 dev images/min | 13.136 | 2.164 | +507% |
| FLUX.1 Kontext dev images/min | 5.721 | 1.05 | +445% |
Whole-job comparison
How long each card takes to finish a complete pipeline, not just one model. NVIDIA B200 is faster on 7 of 7; NVIDIA RTX A6000 on 0.
| Workflow | NVIDIA B200 | NVIDIA RTX A6000 | Difference | Cost per run |
|---|---|---|---|---|
| 24-frame storyboard | 89 s | 7.1 min | NVIDIA B200 4.74x faster | $0.149 vs $0.039 |
| 6-panel comic page | 2.3 min | 12.1 min | NVIDIA B200 5.20x faster | $0.233 vs $0.067 |
| Character sheet, 12 poses | 2.9 min | 15.2 min | NVIDIA B200 5.31x faster | $0.285 vs $0.084 |
| Full codebase review | 6.6 min | 14.6 min | NVIDIA B200 2.20x faster | $0.660 vs $0.080 |
| 40-product photo shoot | 8.4 min | 45.5 min | NVIDIA B200 5.42x faster | $0.836 vs $0.250 |
| 20 long-form articles | 10.5 min | 29.7 min | NVIDIA B200 2.83x faster | $1.044 vs $0.163 |
| 100-photo restoration batch | 17.8 min | 1 h 37 min | NVIDIA B200 5.45x faster | $1.773 vs $0.533 |
Renting by the hour, NVIDIA RTX A6000 finishes 7 of 7 cheaper. The quicker card is not automatically the cheaper way to get the work done.
Cost to rent
| Card | Per hour |
|---|---|
| NVIDIA B200 | $5.980 |
| NVIDIA RTX A6000 | $0.330 |
NVIDIA RTX A6000 is 18.12x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.
Specifications compared
| NVIDIA B200 | NVIDIA RTX A6000 | |
|---|---|---|
| VRAM | 192GB | 48GB |
| Architecture | Blackwell | Ampere |
| Memory bandwidth | 8 TB/s | 768 GB/s |
| Boost clock | n/a | 1,860 MHz |
| TDP | 1000 W | 300 W |
| Launch MSRP | $40,000 | $4,650 |
| Release | 2025-02-01 | 2020-10-05 |
FAQ
- Which is better for ai & machine learning: NVIDIA B200 or NVIDIA RTX A6000?
- NVIDIA B200 performs better for ai & machine learning, winning 9 of 9 benchmarks in our suite with an average 272.3% advantage.
- What are the main hardware differences between NVIDIA B200 and NVIDIA RTX A6000?
- NVIDIA B200 has 192GB VRAM and a 1000W TDP, while NVIDIA RTX A6000 has 48GB VRAM and a 300W TDP.
- Does VRAM matter more than speed between NVIDIA B200 and NVIDIA RTX A6000?
- For AI, yes, NVIDIA RTX A6000 fits 2 more of our 12 workloads than NVIDIA B200. 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 B200 and NVIDIA RTX A6000?
- FLUX.1 dev: NVIDIA B200 leads by roughly 507% (13.136 vs 2.164 images/min) in our testing.
NVIDIA B200 full review · NVIDIA RTX A6000 full review · All AI & Machine Learning rankings