Specifications Compared
| Spec | RTX-3070 | RTX-3090 |
|---|---|---|
| TDP | 220W | 350W |
| VRAM | 8 GB | 24 GB |
| CUDA Cores | 5,888 | 10,496 |
| Memory Type | GDDR6 | GDDR6X |
| Architecture | Ampere | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | NVLink | |
| Tensor Cores | 184 | 328 |
| FP16 Performance | 20.3 TFLOPS | 35.6 TFLOPS |
| FP32 Performance | 20.3 TFLOPS | 35.6 TFLOPS |
| Memory Bandwidth | 448 GB/s | 936 GB/s |
Performance Analysis
Compute performance shows a clear gap: the RTX 3070 delivers 20.3 TFLOPS in both FP16 and FP32, while the RTX 3090 Ti achieves 35.6 TFLOPS in both, enabling approximately 75 percent faster processing for AI training and inference tasks. This delta translates to quicker model training epochs and higher inference throughput on the RTX 3090 Ti, especially in FP16-optimized frameworks. Memory capacity and bandwidth define practical limits: the RTX 3070's 8 GB GDDR6 restricts it to smaller models or batch sizes, whereas the RTX 3090 Ti's 24 GB GDDR6X and doubled 936 GB/s bandwidth support larger batches and complex datasets without swapping to system RAM. Higher TDP of 350 W on the RTX 3090 Ti versus 220 W on the RTX 3070 indicates greater power draw but also sustained performance under load. NVLink on the RTX 3090 Ti facilitates efficient multi-GPU scaling, absent on the RTX 3070.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 3090 Ti
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Wilmington, Delaware | $0.20/GPU/hr | Available | ||
TensorDock | NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 0 vCPU 0GB RAM | Dallas, Texas | $0.21/GPU/hr | Available | ||
 Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 403GB RAM 153GB Storage | Iceland | $0.25/GPU/hr $1.01/hr total (4×) | Available | ||
Vast.ai | 4×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 32 vCPU 252GB RAM 1440GB Storage | Finland | $0.27/GPU/hr $1.07/hr total (4×) | Available | ||
 LeaderGPU | 8×NVIDIA GeForce RTX 3090 24GB VRAM | 24GB | 64 vCPU 384GB RAM 2000GB Storage | Netherlands | $0.29/GPU/hr $2.29/hr total (8×) | Available |
When to Choose the RTX 3070
The RTX 3070 excels in cost-sensitive scenarios where 8 GB VRAM suffices, such as lightweight inference or fine-tuning small models. Its lower pricing from $0.04 per hour and 220 W TDP make it ideal for extended cloud sessions on tight budgets. Users with 448 GB/s bandwidth needs find it efficient without overprovisioning resources.
When to Choose the RTX 3090 Ti
Opt for the RTX 3090 Ti when workloads demand 24 GB VRAM, like training large language models or high-resolution generative tasks. The 936 GB/s bandwidth and NVLink support larger batch sizes and multi-GPU configurations effectively. Despite higher costs averaging $0.25 per hour, its 35.6 TFLOPS deliver superior speed for memory-intensive applications.
Use Cases
The RTX 3090 Ti's 24 GB GDDR6X VRAM and 35.6 TFLOPS FP16 performance support training larger LLMs with bigger batches, unlike the RTX 3070's 8 GB limit.
With 936 GB/s bandwidth and 24 GB VRAM, the RTX 3090 Ti manages high-throughput inference for production-scale LLMs. The RTX 3070's 448 GB/s suffices only for smaller models.
Fine-tuning mid-to-large models benefits from the RTX 3090 Ti's 35.6 TFLOPS and NVLink for multi-GPU setups. The RTX 3070 works for very small models but risks memory constraints.
Stable Diffusion generation requires substantial VRAM for high-resolution images: the RTX 3090 Ti's 24 GB enables faster, larger renders than the RTX 3070's 8 GB.
Both GPUs handle FP32 tasks adequately at 20.3 TFLOPS for RTX 3070 and 35.6 TFLOPS for RTX 3090 Ti; choose RTX 3070 for cost savings if datasets fit in 8 GB.
Frequently Asked Questions
Which GPU has more VRAM: RTX 3070 or RTX 3090 Ti?▾
The RTX 3090 Ti provides 24 GB GDDR6X VRAM, compared to 8 GB GDDR6 on the RTX 3070. This makes the RTX 3090 Ti better for memory-heavy tasks. Both use Ampere architecture from 2020.
How do RTX 3070 and RTX 3090 Ti compare in cloud pricing?▾
RTX 3070 cloud pricing starts at $0.04 per hour, averaging $0.09 across 4 offers. RTX 3090 Ti starts at $0.10 per hour, averaging $0.25 across 5 offers. The RTX 3070 offers better value for lighter workloads.
What is the FP32 performance difference between RTX 3070 and RTX 3090 Ti?▾
The RTX 3070 delivers 20.3 TFLOPS FP32, while the RTX 3090 Ti reaches 35.6 TFLOPS. This 75 percent advantage speeds up compute-intensive AI tasks on the RTX 3090 Ti. FP16 matches these figures on both.
Does RTX 3090 Ti support NVLink?▾
Yes, the RTX 3090 Ti includes NVLink interconnect for multi-GPU communication. The RTX 3070 lacks this feature and uses only PCIe. NVLink enhances scaling for distributed training.
Which has higher memory bandwidth?▾
RTX 3090 Ti bandwidth is 936 GB/s with GDDR6X, doubling the RTX 3070's 448 GB/s GDDR6. Higher bandwidth supports larger batch sizes in training. This impacts data throughput significantly.
What are the TDP ratings for these GPUs?▾
RTX 3070 TDP is 220 W, lower than the RTX 3090 Ti's 350 W. Lower TDP reduces power costs in cloud rentals. Both fit PCIe form factors.
Which is cheaper to rent, the RTX 3070 or the RTX 3090?▾
Cloud rental prices for both the RTX 3070 and RTX 3090 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 3070 have compared to the RTX 3090?▾
The RTX 3070 has 8 GB of GDDR6 memory. The RTX 3090 has 24 GB of GDDR6X memory.
Can I find RTX 3070 and RTX 3090 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 3070 and the RTX 3090?▾
The RTX 3070 uses the Ampere architecture (2020) while the RTX 3090 uses Ampere (2020). The RTX 3090 delivers 1.8x the FP16 throughput and 2.1x the memory bandwidth of the RTX 3070.