RTX 3070 Ti vs RTX 5070 Ti

AmperevsBlackwellUpdated 35 days ago

The RTX 5070 Ti emerges as the winner for most common cloud AI use cases like model training and inference. Its 40.6 TFLOPS doubles the RTX 3070 Ti's 20.3 TFLOPS, while 12 GB VRAM outperforms 8 GB for scaled workloads, justifying the price premium from $0.08/hr average to $0.19/hr.

Specifications Compared

SpecRTX-3070RTX-5070
TDP220W250W
VRAM8 GB12 GB
CUDA Cores5,8886,144
Memory TypeGDDR6GDDR7
ArchitectureAmpereBlackwell
Form FactorsPCIePCIe
Interconnect
Tensor Cores184192
FP16 Performance20.3 TFLOPS40.6 TFLOPS
FP32 Performance20.3 TFLOPS40.6 TFLOPS
Memory Bandwidth448 GB/s448 GB/s

Performance Analysis

The RTX 5070 Ti doubles FP16 and FP32 performance to 40.6 TFLOPS from the RTX 3070 Ti's 20.3 TFLOPS, accelerating machine learning training and inference by approximately twofold in compute-bound scenarios. FP16 dominance suits deep learning models, where the RTX 5070 Ti handles larger models or batches faster during training phases. Inference benefits similarly, reducing latency for real-time applications. Memory bandwidth remains identical at 448 GB/s, so data transfer rates do not differentiate them, but the RTX 5070 Ti's 12 GB GDDR7 VRAM versus 8 GB GDDR6 enables larger batch sizes without swapping to system RAM, crucial for memory-intensive tasks like fine-tuning large language models. TDP increases to 250W from 220W, implying higher power draw but potential efficiency gains in Blackwell architecture for sustained workloads. Overall, these specs favor the RTX 5070 Ti for modern AI pipelines requiring scale.

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When to Choose the RTX 3070 Ti

The RTX 3070 Ti suits budget-limited projects with light to moderate AI demands. Its 20.3 TFLOPS FP16/FP32 performance handles basic inference or fine-tuning on models fitting within 8 GB VRAM effectively. At $0.06/hr starting price averaging $0.08/hr, it delivers strong value for cost-sensitive users avoiding the RTX 5070 Ti's higher 250W TDP and $0.10/hr minimum.

When to Choose the RTX 5070 Ti

Opt for the RTX 5070 Ti in performance-critical applications needing 40.6 TFLOPS FP16/FP32 throughput. The 12 GB GDDR7 VRAM supports larger models and batch sizes beyond the RTX 3070 Ti's 8 GB limit. Despite $0.10/hr starting pricing averaging $0.19/hr and 250W TDP, Blackwell architecture ensures future-proofing for demanding training and inference.

Use Cases

LLM Training
RTX 5070 Ti

The RTX 5070 Ti's 40.6 TFLOPS FP16 doubles the RTX 3070 Ti's 20.3 TFLOPS for faster training epochs. Its 12 GB VRAM accommodates larger models compared to 8 GB.

LLM Inference
RTX 5070 Ti

Double FP16 performance at 40.6 TFLOPS reduces latency on the RTX 5070 Ti. Extra 4 GB VRAM supports bigger batch sizes without overflow.

Fine-tuning
Either

RTX 3070 Ti's 8 GB VRAM and 20.3 TFLOPS suffice for small models at low $0.08/hr average. RTX 5070 Ti excels for medium models with 12 GB and 40.6 TFLOPS.

Stable Diffusion
RTX 5070 Ti

RTX 5070 Ti's 40.6 TFLOPS accelerates image generation over RTX 3070 Ti's 20.3 TFLOPS. 12 GB VRAM handles high-resolution tasks better.

Scientific Computing
RTX 3070 Ti

RTX 3070 Ti's 220W TDP and $0.06/hr pricing fit power-constrained simulations within 8 GB VRAM. 448 GB/s bandwidth matches RTX 5070 Ti needs.

Frequently Asked Questions

Which GPU has more VRAM: RTX 3070 Ti or RTX 5070 Ti?

The RTX 5070 Ti provides 12 GB GDDR7 VRAM, exceeding the RTX 3070 Ti's 8 GB GDDR6. This difference allows larger batch sizes in AI tasks. Both share 448 GB/s bandwidth.

How do FP32 performance levels compare?

RTX 5070 Ti delivers 40.6 TFLOPS FP32, double the RTX 3070 Ti's 20.3 TFLOPS. This boosts scientific computing and graphics rendering speeds. FP16 matches this ratio.

What are the cloud rental prices?

RTX 3070 Ti rents from $0.06/hr averaging $0.08/hr across two offers. RTX 5070 Ti starts at $0.10/hr averaging $0.19/hr across two offers. Prices reflect performance gaps.

Which has higher TDP?

RTX 5070 Ti consumes 250W TDP versus RTX 3070 Ti's 220W. Higher TDP supports its 40.6 TFLOPS output. Both use PCIe form factors.

Is Blackwell architecture better than Ampere?

RTX 5070 Ti's Blackwell from 2025 doubles compute to 40.6 TFLOPS over Ampere 2020's 20.3 TFLOPS in RTX 3070 Ti. It adds 12 GB VRAM for modern workloads.

Do they have the same memory bandwidth?

Both offer 448 GB/s bandwidth, RTX 3070 Ti with GDDR6 and RTX 5070 Ti with GDDR7. VRAM capacity differs at 8 GB versus 12 GB.

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.

RTX 3070 Ti vs RTX 5070 Ti: 2.0x FP16 Gap, 12GB vs 8GB | GPUPerHour