NVIDIA RTX A6000 VS NVIDIA RTX A4000
Both the RTX A6000 and RTX A4000 are built on NVIDIA's Ampere architecture. This comparison helps you choose between different configurations within the same GPU family.
RTX A6000
RTX A4000
📊 Detailed Specifications Comparison
| Specification | RTX A6000 | RTX A4000 | Difference |
|---|---|---|---|
| Architecture & Design | |||
| Architecture | Ampere | Ampere | - |
| Process Node | 8nm | 8nm | - |
| Target Market | professional | professional | - |
| Form Factor | Dual-slot PCIe | Single-slot PCIe | - |
| Memory | |||
| VRAM Capacity | 48GB | 16GB | +200% |
| Memory Type | GDDR6 | GDDR6 | - |
| Memory Bandwidth | 768 GB/s | 448 GB/s | +71% |
| Memory Bus | 384-bit | 256-bit | - |
| Compute Units | |||
| CUDA Cores | 10,752 | 6,144 | +75% |
| Tensor Cores | 336 | 192 | +75% |
| Performance (TFLOPS) | |||
| FP32 (Single Precision) | 38.7 TFLOPS | 19.2 TFLOPS | +102% |
| FP16 (Half Precision) | 77.4 TFLOPS | N/A | |
| Power & Connectivity | |||
| TDP (Power) | 300W | 140W | +114% |
| PCIe | PCIe 4.0 x16 | PCIe 4.0 x16 | - |
🎯 Use Case Recommendations
LLM & Large Model Training
NVIDIA RTX A6000
Higher VRAM capacity and memory bandwidth are critical for training large language models. The RTX A6000 offers 48GB compared to 16GB.
AI Inference
NVIDIA RTX A6000
For inference workloads, performance per watt matters most. Consider the balance between FP16/INT8 throughput and power consumption.
Budget-Conscious Choice
NVIDIA RTX A6000
Compare live pricing to find the best value for your specific workload.
NVIDIA RTX A6000 is Best For:
- 3D rendering
- AI development
- Large-scale training
NVIDIA RTX A4000 is Best For:
- Professional graphics
- Workstation AI
- High-end training
Frequently Asked Questions
Which GPU is better for AI training: RTX A6000 or RTX A4000?
For AI training, the key factors are VRAM size, memory bandwidth, and tensor core performance. The RTX A6000 offers 48GB of GDDR6 memory with 768 GB/s bandwidth, while the RTX A4000 provides 16GB of GDDR6 with 448 GB/s bandwidth. For larger models, the RTX A6000's higher VRAM capacity gives it an advantage.
What is the price difference between RTX A6000 and RTX A4000 in the cloud?
Cloud GPU rental prices vary by provider and region. Check our price tracker for the latest rates from 50+ cloud providers.
Can I use RTX A4000 instead of RTX A6000 for my workload?
It depends on your specific requirements. If your model fits within 16GB of VRAM and you don't need the additional throughput of the RTX A6000, the RTX A4000 can be a cost-effective alternative. However, for workloads requiring maximum memory capacity or multi-GPU scaling, the RTX A6000's architecture may be essential.
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