Specifications Compared
| Spec | RTX 3060 | RTX 4090 |
|---|---|---|
| TDP | 170W | 450W |
| VRAM | 8-12 GB | 24 GB |
| CUDA Cores | 3,584 | 16,384 |
| FP8 (dense) | Not published | 330.3 TFLOPS |
| Memory Type | GDDR6 | GDDR6X |
| Architecture | Ampere | Ada Lovelace |
| FP16 (dense) | Not published | 165.2 TFLOPS |
| Form Factors | PCIe | PCIe |
| INT8 (dense) | Not published | 660.6 TOPS |
| Interconnect | PCIe 4.0 | PCIe 4.0 |
| Tensor Cores | 112 | 512 |
| FP32 Performance | 12.7 TFLOPS | 82.6 TFLOPS |
| FP64 Performance | Not published | 1.3 TFLOPS |
| Memory Bandwidth | 360 GB/s | 1,008 GB/s |
| FP8 (with sparsity) | Not published | 660.6 TFLOPS |
| FP16 (with sparsity) | Not published | 330.4 TFLOPS |
| INT8 (with sparsity) | Not published | 1,321.2 TOPS |
Performance Analysis
The RTX 4090 delivers FP32 performance of 82.6 TFLOPS compared to the 12.7 TFLOPS of the RTX 3060. For the RTX 4090 the dense FP16 figure reaches 165.2 TFLOPS while its FP32 figure is 82.6 TFLOPS. This ratio indicates that dense FP16 operations complete in roughly half the time of FP32 operations on the RTX 4090. Memory bandwidth of 1008 GB/s on the RTX 4090 versus 360 GB/s on the RTX 3060 allows larger batch sizes during training and inference workloads. The RTX 4090 also lists dense FP8 at 330.3 TFLOPS and dense INT8 at 660.6 TOPS. These values remain unavailable for the RTX 3060.
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 3060
1 provider in stock, 2 offers (cheapest per provider shown). All RTX 3060 offers, price history and alerts
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When to Choose the RTX 3060
The RTX 3060 suits deployments where TDP must stay at 170W. Its 8 to 12 GB GDDR6 configuration meets requirements for smaller models that do not exceed that capacity. The lower power draw reduces cooling demands in constrained environments compared to the 450W TDP of the RTX 4090.
When to Choose the RTX 4090
The RTX 4090 fits workloads that require 24 GB GDDR6X and 1008 GB/s bandwidth. Its FP32 performance of 82.6 TFLOPS supports faster completion of compute intensive tasks than the 12.7 TFLOPS of the RTX 3060. Dense FP16 at 165.2 TFLOPS further accelerates compatible training and inference pipelines.
Use Cases
Dense FP16 of 165.2 TFLOPS on the RTX 4090 enables quicker inference passes than the FP32 limit of 12.7 TFLOPS on the RTX 3060.
The 1008 GB/s bandwidth and 24 GB memory of the RTX 4090 accommodate larger fine-tuning batches than the 360 GB/s and 8 to 12 GB of the RTX 3060.
The RTX 4090 provides 24 GB GDDR6X which exceeds the 8 to 12 GB limit of the RTX 3060 for high resolution image generation.
FP32 performance of 82.6 TFLOPS on the RTX 4090 surpasses the 12.7 TFLOPS of the RTX 3060 for numerical simulations.
Frequently Asked Questions
What is the FP32 performance difference between RTX 3060 and RTX 4090?▾
The RTX 3060 lists 12.7 TFLOPS FP32. The RTX 4090 lists 82.6 TFLOPS FP32.
What are the TDP ratings for these GPUs?▾
The RTX 3060 has a 170W TDP. The RTX 4090 has a 450W TDP.
Which GPU offers higher memory bandwidth?▾
The RTX 4090 reaches 1008 GB/s. The RTX 3060 reaches 360 GB/s.
Does the RTX 4090 support sparse FP16 operations?▾
The RTX 4090 lists FP16 with sparsity at 330.4 TFLOPS. The RTX 3060 does not publish an FP16 figure.
Are both GPUs PCIe based?▾
Both the RTX 3060 and RTX 4090 use PCIe form factors with PCIe 4.0 interconnect.
Which is cheaper to rent, the RTX 3060 or the RTX 4090?▾
Cloud rental prices for both the RTX 3060 and RTX 4090 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 3060 have compared to the RTX 4090?▾
The RTX 3060 has 8 to 12 GB of GDDR6 memory. The RTX 4090 has 24 GB of GDDR6X memory.
Can I find RTX 3060 and RTX 4090 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 3060 and the RTX 4090?▾
The RTX 3060 uses the Ampere architecture (2021) while the RTX 4090 uses Ada Lovelace (2022). The RTX 3060 has 8-12 GB of GDDR6 at 360 GB/s; the RTX 4090 has 24 GB of GDDR6X at 1,008 GB/s, so the RTX 4090 has 2.8x the memory bandwidth of the RTX 3060.
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 3060 and the RTX 4090. 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 3060Every current offer by provider, daily price history and a price alert.
- Rent RTX 4090Every 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.