Specifications Compared
| Spec | RTX-3070 | RTX-5070 |
|---|---|---|
| TDP | 220W | 250W |
| VRAM | 8 GB | 12 GB |
| CUDA Cores | 5,888 | 6,144 |
| Memory Type | GDDR6 | GDDR7 |
| Architecture | Ampere | Blackwell |
| Form Factors | PCIe | PCIe |
| Interconnect | ||
| Tensor Cores | 184 | 192 |
| FP16 Performance | 20.3 TFLOPS | 40.6 TFLOPS |
| FP32 Performance | 20.3 TFLOPS | 40.6 TFLOPS |
| Memory Bandwidth | 448 GB/s | 448 GB/s |
Performance Analysis
The RTX 5070 doubles the FP16 and FP32 compute performance to 40.6 TFLOPS from the RTX 3070's 20.3 TFLOPS, enabling approximately twice the throughput for AI training and inference workloads. This uplift translates to faster model convergence in training scenarios and reduced latency in inference pipelines, particularly for tensor operations common in deep learning frameworks.
VRAM expansion to 12 GB on the RTX 5070 versus 8 GB on the RTX 3070 supports larger batch sizes without swapping to system memory, crucial for handling expansive neural networks. Although memory bandwidth remains consistent at 448 GB/s, the GDDR7 interface on the newer GPU offers potential latency improvements for data-intensive tasks.
The TDP increase to 250 W from 220 W suggests higher peak performance at the cost of greater power consumption, which impacts cloud billing for prolonged sessions. Overall, these specs position the RTX 5070 for demanding applications requiring sustained high FLOPS and memory headroom.
Live Cloud Pricing
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When to Choose the RTX 3070
The RTX 3070 suits budget-conscious users with light to moderate workloads. Its lower starting price of $0.04 per hour and average of $0.08 per hour across 6 offers make it ideal for prototyping small models or inference on datasets fitting within 8 GB VRAM. The 220 W TDP ensures compatibility with power-limited cloud instances without excessive costs.
Scenarios like basic Stable Diffusion generation or scientific simulations with modest memory needs favor this GPU, where the 20.3 TFLOPS FP32 performance suffices and generational maturity reduces setup risks.
When to Choose the RTX 5070
Opt for the RTX 5070 when workloads demand more capacity and speed. The 12 GB GDDR7 VRAM accommodates larger models, and 40.6 TFLOPS FP16/FP32 doubles training throughput compared to the RTX 3070's 20.3 TFLOPS. Despite higher pricing from $0.08 per hour averaging $0.17 per hour, the Blackwell architecture future-proofs investments.
It excels in fine-tuning large language models or high-resolution rendering, where the 250 W TDP supports peak performance without bandwidth bottlenecks at 448 GB/s.
Use Cases
The RTX 5070's 40.6 TFLOPS FP16 performance doubles training speed over the RTX 3070's 20.3 TFLOPS. Its 12 GB VRAM handles larger models without memory constraints.
Doubling FP32 to 40.6 TFLOPS reduces latency for real-time inference. Extra 4 GB VRAM supports bigger batch sizes on the RTX 5070.
RTX 5070's 12 GB VRAM fits fine-tuning datasets exceeding 8 GB limits of RTX 3070. Higher 40.6 TFLOPS accelerates iterations.
Both GPUs manage Stable Diffusion with 448 GB/s bandwidth. RTX 3070 suffices for basic use at lower $0.04 per hour cost, while RTX 5070 speeds high-res generations.
RTX 3070's 20.3 TFLOPS FP32 meets most simulations within 8 GB VRAM. Cheaper $0.08 per hour average favors extended runs over RTX 5070's premium.
Frequently Asked Questions
Which GPU has more VRAM?▾
The RTX 5070 provides 12 GB GDDR7 VRAM, exceeding the RTX 3070's 8 GB GDDR6. This difference allows larger models on the RTX 5070. Both share 448 GB/s memory bandwidth.
How do their compute performances compare?▾
RTX 5070 delivers 40.6 TFLOPS in FP16 and FP32, twice the RTX 3070's 20.3 TFLOPS. This boosts AI workloads significantly. Real-world gains appear in training and inference speeds.
What are the cloud rental prices?▾
RTX 3070 starts at $0.04 per hour, averaging $0.08 across 6 offers. RTX 5070 begins at $0.08 per hour, averaging $0.17 across 4 offers. Pricing reflects performance and age differences.
Which has higher power consumption?▾
RTX 5070's TDP is 250 W, higher than RTX 3070's 220 W. This supports greater compute but increases energy costs in clouds. Both use PCIe form factors.
Is the RTX 5070 worth the extra cost?▾
For demanding tasks, yes: 40.6 TFLOPS and 12 GB VRAM justify $0.08+ per hour over RTX 3070's cheaper rate. Light use favors the older GPU. Depends on VRAM and speed needs.
What architectures do they use?▾
RTX 3070 runs Ampere from 2020; RTX 5070 uses Blackwell from 2025. Newer Blackwell offers efficiency gains. Specs confirm doubled FLOPS on RTX 5070.
Which is cheaper to rent, the RTX 3070 or the RTX 5070?▾
Cloud rental prices for both the RTX 3070 and RTX 5070 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 5070?▾
The RTX 3070 has 8 GB of GDDR6 memory. The RTX 5070 has 12 GB of GDDR7 memory.
Can I find RTX 3070 and RTX 5070 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 5070?▾
The RTX 3070 uses the Ampere architecture (2020) while the RTX 5070 uses Blackwell (2025). The RTX 5070 delivers 2.0x the FP16 throughput and 1.0x the memory bandwidth of the RTX 3070.