Specifications Compared
| Spec | A100 | RTX A5000 |
|---|---|---|
| TDP | 400W | 230W |
| VRAM | 40-80 GB | 24 GB |
| CUDA Cores | 6,912 | 8,192 |
| Memory Type | HBM2e | GDDR6 |
| Architecture | Ampere | Ampere |
| FP16 (dense) | 312 TFLOPS | Not published |
| Form Factors | SXM4, PCIe | PCIe |
| INT8 (dense) | 624 TOPS | Not published |
| Interconnect | NVLink, PCIe 4.0, InfiniBand | NVLink, PCIe 4.0 |
| Tensor Cores | 432 | 256 |
| FP32 Performance | 19.5 TFLOPS | 27.8 TFLOPS |
| FP64 Performance | 9.7 TFLOPS | Not published |
| Memory Bandwidth | 2,039 GB/s | 768 GB/s |
| FP16 (with sparsity) | 624 TFLOPS | 222.2 TFLOPS |
| INT8 (with sparsity) | 1,248 TOPS | Not published |
Performance Analysis
Sparse FP16 performance reaches 624 TFLOPS on the A100 and 222.2 TFLOPS on the RTX A5000. The A100 therefore delivers higher throughput for operations that benefit from sparsity in FP16 workloads. FP32 performance measures 19.5 TFLOPS on the A100 and 27.8 TFLOPS on the RTX A5000 so the RTX A5000 holds an advantage in dense FP32 computation. Memory bandwidth of 2039 GB/s on the A100 versus 768 GB/s on the RTX A5000 allows the A100 to support larger batch sizes during training and inference. The 400 W TDP of the A100 compared with the 230 W TDP of the RTX A5000 indicates different power and cooling requirements for sustained operation.
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 |
|---|---|---|---|---|---|
| LeaderGPU | The Netherlands | 8 | $0.68 | $5.42 | Deploy |
| Vast.ai | Czechia, CZ | 1 | $0.80 | — | Deploy |
| ThunderCompute | USA | 1 | $1.09 | — | Deploy |
| Massed Compute | us-central-2 | 1 | $1.35 | — | Deploy |
| Hyperstack | CANADA-1 | 8 | $1.40 | $11.20 | Deploy |
12 providers in stock, 36 offers (cheapest per provider shown). All A100 offers, price history and alerts
RTX A5000
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Paperspace | ams1 | 1 | $1.38 | — | Deploy |
1 provider in stock, 6 offers (cheapest per provider shown). All RTX A5000 offers, price history and alerts
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When to Choose the A100
The A100 suits workloads that require 40 GB to 80 GB of HBM2e memory and 2039 GB/s bandwidth such as large scale training. Its sparse FP16 rating of 624 TFLOPS supports higher throughput in sparsity enabled inference compared with the 222.2 TFLOPS rating of the RTX A5000. The 400 W TDP fits environments prepared for higher power draw.
When to Choose the RTX A5000
The RTX A5000 fits workloads that operate within 24 GB of GDDR6 memory and benefit from its 27.8 TFLOPS FP32 rating. Its 230 W TDP reduces power and cooling demands relative to the 400 W TDP of the A100. The PCIe form factor aligns with standard server configurations that do not require SXM4.
Use Cases
The A100 supplies 40 GB to 80 GB HBM2e memory and 2039 GB/s bandwidth that exceed the 24 GB and 768 GB/s of the RTX A5000.
Sparse FP16 performance of 624 TFLOPS on the A100 exceeds the 222.2 TFLOPS rating of the RTX A5000.
The A100 provides higher memory capacity and bandwidth for fine tuning tasks that process large datasets.
The RTX A5000 delivers 27.8 TFLOPS FP32 performance within a 230 W TDP that suits image generation workloads.
FP32 ratings of 19.5 TFLOPS on the A100 and 27.8 TFLOPS on the RTX A5000 allow either GPU to handle many scientific tasks.
Frequently Asked Questions
What memory configurations distinguish the A100 from the RTX A5000?▾
The A100 offers between 40 GB and 80 GB of HBM2e memory while the RTX A5000 provides 24 GB of GDDR6 memory.
How do the FP32 ratings compare between these two GPUs?▾
The A100 lists 19.5 TFLOPS FP32 performance and the RTX A5000 lists 27.8 TFLOPS FP32 performance.
Which GPU provides higher sparse FP16 throughput?▾
The A100 reaches 624 TFLOPS with sparsity in FP16 while the RTX A5000 reaches 222.2 TFLOPS with sparsity in FP16.
What TDP values apply to the A100 and RTX A5000?▾
The A100 carries a 400 W TDP and the RTX A5000 carries a 230 W TDP.
How does memory bandwidth differ between the A100 and RTX A5000?▾
Memory bandwidth measures 2039 GB/s on the A100 and 768 GB/s on the RTX A5000.
Which interconnect options appear on each GPU?▾
The A100 supports NVLink, PCIe 4.0, and InfiniBand while the RTX A5000 supports NVLink and PCIe 4.0.
Which is cheaper to rent, the A100 or the RTX A5000?▾
Cloud rental prices for both the A100 and RTX A5000 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 A5000?▾
The A100 has 40 to 80 GB of HBM2e memory. The RTX A5000 has 24 GB of GDDR6 memory.
Can I find A100 and RTX A5000 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 A5000?▾
The A100 uses the Ampere architecture (2020) while the RTX A5000 uses Ampere (2021). The A100 has 40-80 GB of HBM2e at 2,039 GB/s; the RTX A5000 has 24 GB of GDDR6 at 768 GB/s, so the A100 has 2.7x the memory bandwidth of the RTX A5000.
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 A5000. 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 A5000Every 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.