Specifications Compared
| Spec | A40 | RTX-3070 |
|---|---|---|
| TDP | 300W | 220W |
| VRAM | 48 GB | 8 GB |
| CUDA Cores | 10,752 | 5,888 |
| Memory Type | GDDR6 | GDDR6 |
| Architecture | Ampere | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | NVLink | |
| Tensor Cores | 336 | 184 |
| FP16 Performance | 37.4 TFLOPS | 20.3 TFLOPS |
| FP32 Performance | 37.4 TFLOPS | 20.3 TFLOPS |
| FP64 Performance | 0.6 TFLOPS | |
| INT8 Performance | 299 TOPS | |
| Memory Bandwidth | 696 GB/s | 448 GB/s |
Performance Analysis
Spec differences yield clear performance implications for AI workloads. The A40's 37.4 TFLOPS FP16 and FP32 ratings exceed the RTX 3070 Ti's 20.3 TFLOPS by 84 percent, translating to faster training epochs and inference latency in compute-limited scenarios. Balanced FP16 and FP32 performance on both GPUs supports versatile precision usage without heavy reliance on tensor core sparsity.
VRAM capacity defines model feasibility: A40's 48 GB handles large language models or high-resolution diffusion without offloading, while RTX 3070 Ti's 8 GB limits to smaller variants or quantization. This affects training batch sizes directly, with A40 enabling up to six times larger batches.
Memory bandwidth of 696 GB/s on the A40, versus 448 GB/s on the RTX 3070 Ti, boosts data movement by 55 percent. Higher bandwidth reduces bottlenecks in memory-bound inference or large-batch training, allowing sustained peak utilization where the RTX 3070 Ti throttles.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
A40
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() TensorDock | NVIDIA RTX A4000 16GB VRAM | 16GB | 0 vCPU 0GB RAM | Tallinn, Harjumaa | $0.08/GPU/hr | Available | ||
![]() Vast.ai | 8×NVIDIA RTX A4000 16GB VRAM | 16GB | 80 vCPU 201GB RAM 1698GB Storage | United Kingdom | $0.15/GPU/hr $1.17/hr total (8×) | Available | ||
![]() Hyperstack | 2×NVIDIA RTX A4000 16GB VRAM | 16GB | 8 vCPU 43GB RAM 200GB Storage | Norway | $0.15/GPU/hr $0.30/hr total (2×) | Available | ||
![]() Hyperstack | NVIDIA RTX A4000 16GB VRAM | 16GB | 4 vCPU 21GB RAM 100GB Storage | Norway | $0.15/GPU/hr | Available | ||
![]() Vast.ai | 8×NVIDIA RTX A4000 16GB VRAM | 16GB | 80 vCPU 315GB RAM 2313GB Storage | United Kingdom | $0.16/GPU/hr $1.28/hr total (8×) | Available |
When to Choose the A40
The NVIDIA A40 suits workloads requiring extensive VRAM and scalability. Large language model training or fine-tuning exceeding 8 GB benefits from its 48 GB GDDR6, preventing out-of-memory errors common on the RTX 3070 Ti.
Enterprise inference pipelines or scientific computing leverage the A40's NVLink for multi-GPU clusters and 696 GB/s bandwidth for high-throughput serving. Its 37.4 TFLOPS and 300W TDP optimize sustained professional loads.
When to Choose the RTX 3070 Ti
The NVIDIA GeForce RTX 3070 Ti fits cost-sensitive, lightweight compute tasks. Stable Diffusion generation or small-model inference thrives on its 8 GB VRAM and 20.3 TFLOPS at $0.06 per hour starting price.
Budget fine-tuning or prototyping benefits from 448 GB/s bandwidth and 220W TDP efficiency, where A40's higher $0.24 per hour cost adds no value for sub-8 GB models.
Use Cases
LLM training demands over 8 GB VRAM for full model loading; A40's 48 GB enables this while RTX 3070 Ti cannot. The A40's 37.4 TFLOPS accelerates convergence over 20.3 TFLOPS.
Inference batches often fit in 8 GB with quantization; RTX 3070 Ti's $0.06 per hour pricing scales economically. 448 GB/s bandwidth suffices for moderate throughput.
Small fine-tuning fits RTX 3070 Ti's 8 GB at low cost, but larger adapters need A40's 48 GB. Choose based on model size and budget.
Standard resolutions run in 8 GB VRAM; RTX 3070 Ti's 20.3 TFLOPS generates images efficiently at $0.06 per hour. A40 overkill for most pipelines.
Simulations require high FP32 throughput and NVLink scaling; A40's 37.4 TFLOPS and interconnect outperform RTX 3070 Ti's 20.3 TFLOPS.
Frequently Asked Questions
How much VRAM does the NVIDIA A40 have compared to RTX 3070 Ti?▾
The A40 features 48 GB GDDR6 VRAM, six times more than the RTX 3070 Ti's 8 GB GDDR6. This enables larger models on A40. Cloud pricing starts at $0.24 per hour for A40 versus $0.06 for RTX 3070 Ti.
Which has higher performance: A40 or RTX 3070 Ti?▾
A40 delivers 37.4 TFLOPS FP32, 84 percent above RTX 3070 Ti's 20.3 TFLOPS. Bandwidth is 696 GB/s on A40 versus 448 GB/s. A40 suits demanding tasks.
What is the TDP of A40 versus RTX 3070 Ti?▾
A40 TDP is 300W, higher than RTX 3070 Ti's 220W. This supports sustained loads on A40. Power efficiency favors RTX 3070 Ti for light use.
Does RTX 3070 Ti support NVLink?▾
RTX 3070 Ti lacks NVLink interconnect, unlike A40. PCIe only limits multi-GPU on RTX 3070 Ti. A40 enables scaled clusters.
What are current cloud prices for these GPUs?▾
A40 rents from $0.24 per hour, averaging $1.31 across 23 offers. RTX 3070 Ti starts at $0.06 per hour, averaging $0.08 across 2 offers. Prices vary by provider.
Are A40 and RTX 3070 Ti same generation?▾
Both use Ampere architecture from 2020. Specs differ: A40 has 696 GB/s bandwidth, RTX 3070 Ti 448 GB/s. They compete in cloud compute.
Which is cheaper to rent, the A40 or the RTX 3070?▾
Cloud rental prices for both the A40 and RTX 3070 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 A40 have compared to the RTX 3070?▾
The A40 has 48 GB of GDDR6 memory. The RTX 3070 has 8 GB of GDDR6 memory.
Can I find A40 and RTX 3070 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 A40 and the RTX 3070?▾
The A40 uses the Ampere architecture (2020) while the RTX 3070 uses Ampere (2020). The A40 delivers 1.8x the FP16 throughput and 1.6x the memory bandwidth of the RTX 3070.


