Specifications Compared
| Spec | RTX 3090 | RTX A5000 |
|---|---|---|
| TDP | 350W | 230W |
| VRAM | 24 GB | 24 GB |
| CUDA Cores | 10,496 | 8,192 |
| Memory Type | GDDR6X | GDDR6 |
| Architecture | Ampere | Ampere |
| FP16 (dense) | 71 TFLOPS | Not published |
| Form Factors | PCIe | PCIe |
| INT8 (dense) | 284 TOPS | Not published |
| Interconnect | NVLink, PCIe 4.0 | NVLink, PCIe 4.0 |
| Tensor Cores | 328 | 256 |
| FP32 Performance | 35.6 TFLOPS | 27.8 TFLOPS |
| Memory Bandwidth | 936 GB/s | 768 GB/s |
| FP16 (with sparsity) | 142 TFLOPS | 222.2 TFLOPS |
| INT8 (with sparsity) | 568 TOPS | Not published |
Performance Analysis
The RTX 3090 lists dense FP16 performance at 71 TFLOPS while the RTX A5000 publishes only sparse FP16 at 222.2 TFLOPS. Sparse FP16 on the RTX 3090 reaches 142 TFLOPS, which remains below the 222.2 TFLOPS sparse figure of the RTX A5000. FP32 throughput of 35.6 TFLOPS on the RTX 3090 exceeds the 27.8 TFLOPS of the RTX A5000. Memory bandwidth of 936 GB/s on the RTX 3090 surpasses 768 GB/s on the RTX A5000, which permits larger batch sizes during training workloads. INT8 dense performance of 284 TOPS appears only for the RTX 3090. These ratios indicate the RTX 3090 favors dense operations and bandwidth sensitive tasks while the RTX A5000 advances sparse FP16 throughput.
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.
RTX 3090
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| Vast.ai | Finland, FI | 8 | $0.27 | $2.13 | Deploy |
| LeaderGPU | The Netherlands | 8 | $0.29 | $2.29 | Deploy |
| RunPod | global | 1 | $0.50 | — | Deploy |
3 providers in stock, 17 offers (cheapest per provider shown). All RTX 3090 offers, price history and alerts
RTX A5000
| Provider | Region | GPUs | Per GPU / hr | Instance / hr | Deploy |
|---|---|---|---|---|---|
| RunPod | global | 1 | $0.27 | — | Deploy |
| Paperspace | ny2 | 4 | $1.38 | $5.52 | Deploy |
2 providers in stock, 7 offers (cheapest per provider shown). All RTX A5000 offers, price history and alerts
Notify me when RTX 3090 drops below a price
One email when the cheapest in-stock on-demand price per GPU-hour falls below your threshold. Cheapest right now: $0.27/GPU-hr.
QuantaCloud
Comparing providers? We broker across all of them.
Stop tab-switching between pricing pages. Tell us what you need, 16+ GPUs reserved or cluster capacity, and we return one quote at partner rates within 24 hours.
When to Choose the RTX 3090
The RTX 3090 suits workloads that require its 35.6 TFLOPS FP32 rating or its 936 GB/s memory bandwidth. Dense FP16 at 71 TFLOPS and dense INT8 at 284 TOPS further support selection of the RTX 3090 when those metrics align with application demands. Its 350W TDP accommodates systems prepared for higher power delivery.
When to Choose the RTX A5000
The RTX A5000 fits environments that prioritize its 230W TDP alongside sparse FP16 performance of 222.2 TFLOPS. Lower power draw reduces cooling requirements compared with the 350W rating of the alternative card. The 768 GB/s bandwidth remains adequate when sparse acceleration matches the target workload.
Use Cases
The RTX A5000 supplies 222.2 TFLOPS sparse FP16 which exceeds the 142 TFLOPS sparse FP16 of the RTX 3090.
Sparse FP16 performance of 222.2 TFLOPS on the RTX A5000 supports inference throughput while its 230W TDP lowers operating power versus 350W.
The RTX 3090 provides 936 GB/s memory bandwidth and 35.6 TFLOPS FP32 which aid gradient updates during fine tuning sessions.
Dense FP16 at 71 TFLOPS and 936 GB/s bandwidth on the RTX 3090 enable larger image batches than the RTX A5000 alternatives.
FP32 performance reaches 35.6 TFLOPS on the RTX 3090 while memory bandwidth stands at 936 GB/s for data intensive simulations.
Frequently Asked Questions
What FP32 performance do these GPUs deliver?▾
The RTX 3090 achieves 35.6 TFLOPS in FP32. The RTX A5000 reaches 27.8 TFLOPS in FP32. These values come directly from the published specifications.
Which GPU lists a higher TDP rating?▾
The RTX 3090 carries a 350W TDP rating. The RTX A5000 carries a 230W TDP rating. Both cards use PCIe form factors.
Does the RTX A5000 publish dense FP16 performance?▾
The RTX A5000 publishes only sparse FP16 at 222.2 TFLOPS. The RTX 3090 lists both dense FP16 at 71 TFLOPS and sparse FP16 at 142 TFLOPS. Direct dense comparisons therefore use only the RTX 3090 figure.
What interconnect options appear on both cards?▾
Both the RTX 3090 and RTX A5000 support NVLink together with PCIe 4.0. Architecture remains Ampere for each card.
Which is cheaper to rent, the RTX 3090 or the RTX A5000?▾
Cloud rental prices for both the RTX 3090 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 RTX 3090 have compared to the RTX A5000?▾
The RTX 3090 has 24 GB of GDDR6X memory. The RTX A5000 has 24 GB of GDDR6 memory.
Can I find RTX 3090 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 RTX 3090 and the RTX A5000?▾
The RTX 3090 uses the Ampere architecture (2020) while the RTX A5000 uses Ampere (2021). The RTX 3090 has 24 GB of GDDR6X at 936 GB/s; the RTX A5000 has 24 GB of GDDR6 at 768 GB/s, so the RTX 3090 has 1.2x 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 RTX 3090 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 RTX 3090Every 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.