NVIDIA GeForce RTX 3080 VS NVIDIA GeForce RTX 3070
Both the RTX 3080 and RTX 3070 are built on NVIDIA's Ampere architecture. This comparison helps you choose between different configurations within the same GPU family.
📊 Detailed Specifications Comparison
| Specification | RTX 3080 | RTX 3070 | Difference |
|---|---|---|---|
| Architecture & Design | |||
| Architecture | Ampere | Ampere | - |
| Process Node | 8nm | 8nm | - |
| Target Market | consumer | consumer | - |
| Form Factor | 2-slot PCIe | 2-slot PCIe | - |
| Memory | |||
| VRAM Capacity | 10GB | 8GB | +25% |
| Memory Type | GDDR6X | GDDR6 | - |
| Memory Bandwidth | 760 GB/s | 448 GB/s | +70% |
| Memory Bus | 320-bit | 256-bit | - |
| Compute Units | |||
| CUDA Cores | 8,704 | 5,888 | +48% |
| Performance (TFLOPS) | |||
| FP32 (Single Precision) | 29.8 TFLOPS | 20.3 TFLOPS | +47% |
| Power & Connectivity | |||
| TDP (Power) | 320W | 220W | +45% |
| PCIe | PCIe 4.0 x16 | PCIe 4.0 x16 | - |
🎯 Use Case Recommendations
LLM & Large Model Training
NVIDIA GeForce RTX 3080
Higher VRAM capacity and memory bandwidth are critical for training large language models. The RTX 3080 offers 10GB compared to 8GB.
AI Inference
NVIDIA GeForce RTX 3080
For inference workloads, performance per watt matters most. Consider the balance between FP16/INT8 throughput and power consumption.
Budget-Conscious Choice
NVIDIA GeForce RTX 3070
Based on current cloud pricing, the RTX 3070 starts at a lower hourly rate.
NVIDIA GeForce RTX 3080 is Best For:
- Gaming
- Cloud PCs
- VRAM-intensive models
NVIDIA GeForce RTX 3070 is Best For:
- Gaming
- Affordable GPU cloud
- AI training
Frequently Asked Questions
Which GPU is better for AI training: RTX 3080 or RTX 3070?
For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The RTX 3080 offers 10GB of GDDR6X memory with 760 GB/s bandwidth, while the RTX 3070 provides 8GB of GDDR6 with 448 GB/s bandwidth. For larger models, the RTX 3080's higher VRAM capacity gives it an advantage.
What is the price difference between RTX 3080 and RTX 3070 in the cloud?
Cloud GPU rental prices vary by provider and region. Based on our data, RTX 3080 starts at $0.12/hour while RTX 3070 starts at $0.07/hour. This represents a 71% price difference.
Can I use RTX 3070 instead of RTX 3080 for my workload?
It depends on your specific requirements. If your model fits within 8GB of VRAM and you don't need the additional throughput of the RTX 3080, the RTX 3070 can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the RTX 3080's architecture may be essential.
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