Specifications Compared
| Spec | A100 | RTX A6000 |
|---|---|---|
| TDP | 400W | 300W |
| VRAM | 40-80 GB | 48 GB |
| CUDA Cores | 6,912 | 10,752 |
| Memory Type | HBM2e | GDDR6 |
| Architecture | Ampere | Ampere |
| FP16 (dense) | 312 TFLOPS | 154.8 TFLOPS |
| Form Factors | SXM4, PCIe | PCIe |
| INT8 (dense) | 624 TOPS | 309.7 TOPS |
| Interconnect | NVLink, PCIe 4.0, InfiniBand | NVLink, PCIe 4.0 |
| Tensor Cores | 432 | 336 |
| FP32 Performance | 19.5 TFLOPS | 38.7 TFLOPS |
| FP64 Performance | 9.7 TFLOPS | Not published |
| Memory Bandwidth | 2,039 GB/s | 768 GB/s |
| FP16 (with sparsity) | 624 TFLOPS | 309.6 TFLOPS |
| INT8 (with sparsity) | 1,248 TOPS | 619.4 TOPS |
Performance Analysis
Dense FP16 performance stands at 312 TFLOPS on the A100 against 154.8 TFLOPS on the RTX A6000 while sparse FP16 reaches 624 TFLOPS versus 309.6 TFLOPS. The FP32 rating reverses this pattern with the A100 at 19.5 TFLOPS and the RTX A6000 at 38.7 TFLOPS. Higher memory bandwidth of 2039 GB/s on the A100 enables larger batch sizes during training compared with 768 GB/s on the RTX A6000. Dense INT8 figures follow the same pattern at 624 TOPS for the A100 versus 309.7 TOPS for the RTX A6000.
Current On-Demand Offers
Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.
A100
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Vast.ai | Slovenia, SI | 1 | $0.67 | — | Deploy |
| LeaderGPU | The Netherlands | 8 | $0.68 | $5.42 | Deploy |
| ThunderCompute | USA | 1 | $1.09 | — | Deploy |
| Massed Compute | us-central-3 | 4 | $1.35 | $5.40 | Deploy |
| Hyperstack | CANADA-1 | 1 | $1.35 | — | Deploy |
11 providers in stock, 43 offers (cheapest per provider shown). All A100 offers, price history and alerts
RTX A6000
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| LeaderGPU | The Netherlands | 8 | $0.44 | $3.54 | Deploy |
| QuantaCloud | us-midwest-2 | 4 | $0.48 | $1.92 | Deploy |
| Hyperstack | CANADA-1 | 1 | $0.50 | — | Deploy |
| Massed Compute | us-central-2 | 1 | $0.55 | — | Deploy |
| RunPod | global | 1 | $0.59 | — | Deploy |
6 providers in stock, 48 offers (cheapest per provider shown). All RTX A6000 offers, price history and alerts
Notify me when A100 drops below a price
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When to Choose the A100
The A100 suits LLM training and fine tuning workloads that rely on dense FP16 throughput of 312 TFLOPS and memory bandwidth of 2039 GB/s. Its 400 W TDP and support for 80 GB HBM2e configurations accommodate large model states that exceed the 48 GB limit of the RTX A6000. Multi GPU scaling through NVLink and InfiniBand further favors the A100 when batch sizes must increase beyond single card capacity.
When to Choose the RTX A6000
The RTX A6000 fits scientific computing tasks that depend on dense FP32 performance of 38.7 TFLOPS and a lower TDP of 300 W. Its 48 GB GDDR6 memory suffices for inference workloads where dense FP16 demand stays below 154.8 TFLOPS and power efficiency matters more than peak bandwidth. PCIe only form factor simplifies deployment in standard servers without SXM4 infrastructure.
Use Cases
The A100 supplies 312 TFLOPS dense FP16 and 2039 GB/s bandwidth that support larger batches than the RTX A6000 154.8 TFLOPS and 768 GB/s.
Dense FP16 at 312 TFLOPS on the A100 processes tokens faster than 154.8 TFLOPS on the RTX A6000 while higher bandwidth sustains throughput.
The A100 312 TFLOPS dense FP16 rating and 40 to 80 GB HBM2e memory handle gradient updates more efficiently than the RTX A6000 specifications.
The RTX A6000 38.7 TFLOPS dense FP32 rating benefits diffusion workloads that rely on single precision more than the A100 19.5 TFLOPS.
Dense FP32 performance reaches 38.7 TFLOPS on the RTX A6000 compared with 19.5 TFLOPS on the A100 and its 300 W TDP reduces power draw.
Frequently Asked Questions
How does A100 FP16 dense performance compare with the RTX A6000?▾
The A100 delivers 312 TFLOPS dense FP16 while the RTX A6000 reaches 154.8 TFLOPS dense FP16. This difference doubles throughput on the A100 for matching precision workloads.
What memory bandwidth does each GPU provide?▾
The A100 lists 2039 GB/s memory bandwidth and the RTX A6000 lists 768 GB/s. The higher figure on the A100 supports larger batch sizes in memory intensive operations.
Which GPU offers higher FP32 performance?▾
The RTX A6000 provides 38.7 TFLOPS dense FP32 compared with 19.5 TFLOPS on the A100. Workloads that stay in single precision favor the RTX A6000.
What TDP ratings apply to the A100 and RTX A6000?▾
The A100 carries a 400 W TDP and the RTX A6000 carries a 300 W TDP. Lower power draw on the RTX A6000 suits installations with tighter thermal limits.
Which is cheaper to rent, the A100 or the RTX A6000?▾
Cloud rental prices for both the A100 and RTX A6000 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the A100 have compared to the RTX A6000?▾
The A100 has 40 to 80 GB of HBM2e memory. The RTX A6000 has 48 GB of GDDR6 memory.
Can I find A100 and RTX A6000 GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the A100 and the RTX A6000?▾
The A100 uses the Ampere architecture (2020) while the RTX A6000 uses Ampere (2020). The A100 delivers 2.0x the dense FP16 throughput (312 vs 154.8 TFLOPS, both without sparsity) and 2.7x the memory bandwidth of the RTX A6000.
Rent these GPUs
Each GPU page lists every current on-demand offer by provider, per GPU-hour, updated every minute.
Related comparisons
How this page is made
- Specifications come from the NVIDIA, AMD and Intel datasheets for the A100 and the RTX A6000. Dense and sparse throughput are listed separately.
- Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
- The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
- Read how we collect the data, or report an error on this page.
Next steps
- Rent A100Every current offer by provider, daily price history and a price alert.
- Rent RTX A6000Every current offer by provider, daily price history and a price alert.
- GPU price indexHow on-demand prices for the major GPUs have moved, updated daily.
- All GPUsEvery GPU we track, with current lows and provider counts.