Specifications Compared
| Spec | RTX-3070 | RTX-4080 |
|---|---|---|
| TDP | 220W | 320W |
| VRAM | 8 GB | 16 GB |
| CUDA Cores | 5,888 | 9,728 |
| Memory Type | GDDR6 | GDDR6X |
| Architecture | Ampere | Ada Lovelace |
| Form Factors | PCIe | PCIe |
| Interconnect | ||
| Tensor Cores | 184 | 304 |
| FP16 Performance | 20.3 TFLOPS | 48.7 TFLOPS |
| FP32 Performance | 20.3 TFLOPS | 48.7 TFLOPS |
| Memory Bandwidth | 448 GB/s | 717 GB/s |
Performance Analysis
Compute performance sets the RTX 4080 apart: its 48.7 TFLOPS in FP16 and FP32 exceeds the RTX 3070 Ti's 20.3 TFLOPS by over 2.4 times, accelerating training and inference for models reliant on half-precision or single-precision arithmetic. Training large language models benefits most, as the higher throughput reduces epochs from days to hours in FP16 scenarios. Inference sees similar gains, enabling more queries per second. Memory capacity doubles from 8 GB to 16 GB on the RTX 4080, accommodating bigger models or batch sizes without out-of-memory errors common on the RTX 3070 Ti. Bandwidth jumps from 448 GB/s to 717 GB/s, supporting larger batches in memory-intensive operations like Stable Diffusion generation, where data movement limits speed. The RTX 4080's 320W TDP versus 220W demands more power but justifies it through superior efficiency per watt in demanding workloads.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 4080
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 RunPod | NVIDIA GeForce RTX 4080 SUPER 16GB VRAM | 16GB | 6 vCPU 35GB RAM | 🌍global | $0.50/GPU/hr | |||
RunPod | NVIDIA GeForce RTX 4080 16GB VRAM | 16GB | 6 vCPU 35GB RAM | 🌍global | $0.50/GPU/hr |
When to Choose the RTX 3070 Ti
The RTX 3070 Ti excels in cost-sensitive scenarios with light to moderate demands. Its 8 GB VRAM and 20.3 TFLOPS suffice for inference on models under 7 billion parameters or fine-tuning small datasets, while $0.06 per hour pricing keeps budgets low. Lower 220W TDP minimizes energy costs for extended prototyping sessions across PCIe form factors.
When to Choose the RTX 4080
Opt for the RTX 4080 in high-performance needs like training mid-sized LLMs or high-resolution image generation. 16 GB VRAM and 717 GB/s bandwidth handle batch sizes twice as large as the RTX 3070 Ti, with 48.7 TFLOPS cutting compute times significantly. Despite $0.26 per hour average, it delivers value for production-scale workloads.
Use Cases
RTX 4080's 16 GB VRAM and 48.7 TFLOPS support larger models and batches better than RTX 3070 Ti's 8 GB and 20.3 TFLOPS.
Higher 48.7 TFLOPS and 717 GB/s bandwidth on RTX 4080 enable more queries per second versus RTX 3070 Ti's 20.3 TFLOPS and 448 GB/s.
RTX 3070 Ti's 8 GB VRAM handles small models at $0.08 per hour average; RTX 4080's 16 GB suits larger ones with 48.7 TFLOPS speedup.
RTX 4080's 717 GB/s bandwidth and 16 GB VRAM generate higher-resolution images faster than RTX 3070 Ti's 448 GB/s and 8 GB.
RTX 3070 Ti's 220W TDP and $0.06 per hour pricing fit modest simulations within 8 GB VRAM limits.
Frequently Asked Questions
What is the VRAM difference between RTX 3070 Ti and RTX 4080?▾
RTX 3070 Ti has 8 GB GDDR6 VRAM, while RTX 4080 offers 16 GB GDDR6X. This doubling allows RTX 4080 to load larger models without issues. Memory bandwidth is 448 GB/s on RTX 3070 Ti versus 717 GB/s on RTX 4080.
Which GPU has higher compute performance?▾
RTX 4080 provides 48.7 TFLOPS in FP16 and FP32, over 2.4 times the RTX 3070 Ti's 20.3 TFLOPS. This benefits training and inference speeds. Both share PCIe form factors.
How do cloud prices compare?▾
RTX 3070 Ti starts at $0.06 per hour with $0.08 average across 2 offers. RTX 4080 begins at $0.11 per hour averaging $0.26 over 5 offers. Lower TDP of 220W on RTX 3070 Ti aids cost efficiency.
Is RTX 4080 worth the extra power draw?▾
RTX 4080's 320W TDP exceeds RTX 3070 Ti's 220W but pairs with 48.7 TFLOPS for better performance per watt in heavy tasks. It suits large batch training. Lighter loads favor RTX 3070 Ti.
Can RTX 3070 Ti handle Stable Diffusion?▾
RTX 3070 Ti's 8 GB VRAM and 448 GB/s bandwidth manage basic Stable Diffusion at 20.3 TFLOPS. RTX 4080 excels with 16 GB and 717 GB/s for advanced generations. Pricing starts at $0.06 per hour for RTX 3070 Ti.
What architectures do they use?▾
RTX 3070 Ti uses Ampere from 2020; RTX 4080 uses Ada Lovelace from 2022. This generational gap yields RTX 4080's superior 48.7 TFLOPS over 20.3 TFLOPS. Both support PCIe interconnects.
Which is cheaper to rent, the RTX 3070 or the RTX 4080?▾
Cloud rental prices for both the RTX 3070 and RTX 4080 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 4080?▾
The RTX 3070 has 8 GB of GDDR6 memory. The RTX 4080 has 16 GB of GDDR6X memory.
Can I find RTX 3070 and RTX 4080 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 4080?▾
The RTX 3070 uses the Ampere architecture (2020) while the RTX 4080 uses Ada Lovelace (2022). The RTX 4080 delivers 2.4x the FP16 throughput and 1.6x the memory bandwidth of the RTX 3070.