NVIDIA H100 80GB HBM3 vs NVIDIA RTX A6000, AI & Machine Learning Comparison
NVIDIA H100 80GB HBM3 wins 9 of 9 benchmarks, averaging 195.6% 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 319% (9.064 vs 2.164 images/min); the closest fight is Qwen3 4B (68% apart); VRAM decides part of this one: NVIDIA RTX A6000 runs 156 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 H100 80GB HBM3 | NVIDIA RTX A6000 | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 310.26 | 184.34 | +68% |
| Llama 3.1 8B tok/s | 261.83 | 124.87 | +110% |
| Qwen2.5-Coder 14B tok/s | 144.84 | 68.51 | +111% |
| Qwen3 32B tok/s | 74.07 | 32.18 | +130% |
| Llama 3.3 70B tok/s | 41 | 15.73 | +161% |
| Stable Diffusion XL images/min | 34.58 | 10.02 | +245% |
| Z-Image Turbo images/min | 22.125 | 5.4 | +310% |
| FLUX.1 dev images/min | 9.064 | 2.164 | +319% |
| FLUX.1 Kontext dev images/min | 4.264 | 1.05 | +306% |
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 A6000 on 0.
| Workflow | NVIDIA H100 80GB HBM3 | NVIDIA RTX A6000 | Difference | Cost per run |
|---|---|---|---|---|
| 24-frame storyboard | 1.8 min | 7.1 min | NVIDIA H100 80GB HBM3 3.88x faster | $0.040 vs $0.039 |
| 6-panel comic page | 3 min | 12.1 min | NVIDIA H100 80GB HBM3 4.09x faster | $0.066 vs $0.067 |
| Character sheet, 12 poses | 3.7 min | 15.2 min | NVIDIA H100 80GB HBM3 4.14x faster | $0.082 vs $0.084 |
| Full codebase review | 6.9 min | 14.6 min | NVIDIA H100 80GB HBM3 2.11x faster | $0.154 vs $0.080 |
| 40-product photo shoot | 11.1 min | 45.5 min | NVIDIA H100 80GB HBM3 4.09x faster | $0.248 vs $0.250 |
| 20 long-form articles | 11.4 min | 29.7 min | NVIDIA H100 80GB HBM3 2.61x faster | $0.253 vs $0.163 |
| 100-photo restoration batch | 23.8 min | 1 h 37 min | NVIDIA H100 80GB HBM3 4.07x faster | $0.531 vs $0.533 |
Renting by the hour, NVIDIA H100 80GB HBM3 finishes 4 of 7 cheaper. The quicker card is not automatically the cheaper way to get the work done.
Cost to rent
| Card | Per hour |
|---|---|
| NVIDIA H100 80GB HBM3 | $1.336 |
| NVIDIA RTX A6000 | $0.330 |
NVIDIA RTX A6000 is 4.05x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.
Specifications compared
| NVIDIA H100 80GB HBM3 | NVIDIA RTX A6000 | |
|---|---|---|
| VRAM | 80GB | 48GB |
| Architecture | Hopper | Ampere |
| Memory bandwidth | 3350 GB/s | 768 GB/s |
| Boost clock | 1,980 MHz | 1,860 MHz |
| TDP | 700 W | 300 W |
| Launch MSRP | $30,000 | $4,650 |
| Release | 2022-09-20 | 2020-10-05 |
FAQ
- Which is better for ai & machine learning: NVIDIA H100 80GB HBM3 or NVIDIA RTX A6000?
- NVIDIA H100 80GB HBM3 performs better for ai & machine learning, winning 9 of 9 benchmarks in our suite with an average 195.6% advantage.
- What are the main hardware differences between NVIDIA H100 80GB HBM3 and NVIDIA RTX A6000?
- NVIDIA H100 80GB HBM3 has 80GB VRAM and a 700W TDP, while NVIDIA RTX A6000 has 48GB VRAM and a 300W TDP.
- Does VRAM matter more than speed between NVIDIA H100 80GB HBM3 and NVIDIA RTX A6000?
- For AI, yes, NVIDIA RTX A6000 fits 2 more of our 12 workloads than NVIDIA H100 80GB HBM3. 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 H100 80GB HBM3 and NVIDIA RTX A6000?
- FLUX.1 dev: NVIDIA H100 80GB HBM3 leads by roughly 319% (9.064 vs 2.164 images/min) in our testing.
NVIDIA H100 80GB HBM3 full review · NVIDIA RTX A6000 full review · All AI & Machine Learning rankings