Specifications Compared
| Spec | A100 | A30 |
|---|---|---|
| TDP | 400W | 165W |
| VRAM | 40-80 GB | 24 GB |
| CUDA Cores | 6,912 | 3,584 |
| Memory Type | HBM2e | HBM2 |
| Architecture | Ampere | Ampere |
| Form Factors | SXM4, PCIe | PCIe |
| Interconnect | NVLink, PCIe 4.0, InfiniBand | NVLink |
| Tensor Cores | 432 | 224 |
| FP16 Performance | 312 TFLOPS | 10.3 TFLOPS |
| FP32 Performance | 19.5 TFLOPS | 10.3 TFLOPS |
| FP64 Performance | 9.7 TFLOPS | 5.2 TFLOPS |
| INT8 Performance | 624 TOPS | 165 TOPS |
| Memory Bandwidth | 2,039 GB/s | 933 GB/s |
Performance Analysis
The A100 outperforms the A30 dramatically in compute-intensive tasks due to its 312 TFLOPS FP16 capability versus 10.3 TFLOPS: this delta accelerates mixed-precision training by over 30 times for deep learning models. FP32 performance also favors A100 at 19.5 TFLOPS against 10.3 TFLOPS, benefiting single-precision scientific simulations and graphics workloads.
Memory specifications further highlight A100 superiority. Its 40 GB HBM2e VRAM and 2039 GB/s bandwidth support larger batch sizes and complex models compared to A30's 24 GB HBM2 and 933 GB/s: higher bandwidth reduces data transfer bottlenecks during training epochs. For inference, A30's lower 165W TDP versus A100's 400W enables denser deployments, though reduced compute limits throughput on large language models.
Real-world implications include A100 handling massive datasets without out-of-memory errors, while A30 suits smaller-scale inference where power efficiency matters more than peak performance.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
A100 SXM4 40GB
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() Vast.ai | NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 256 vCPU 63GB RAM 2826GB Storage | Slovenia | $0.73/GPU/hr | Available | ||
![]() Vast.ai | 2×NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 256 vCPU 126GB RAM 794GB Storage | Slovenia | $0.73/GPU/hr $1.47/hr total (2×) | Available | ||
![]() LeaderGPU | 8×NVIDIA A100 PCIe 80GB 80GB VRAM | 80GB | 64 vCPU 384GB RAM 2000GB Storage | Netherlands | $0.90/GPU/hr $7.20/hr total (8×) | Available | ||
![]() Vast.ai | NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 64 vCPU 63GB RAM 557GB Storage | Czechia | $1.00/GPU/hr | Available | ||
![]() Denvr | 8×NVIDIA A100 SXM4 80GB 80GB VRAM | 80GB | 128 vCPU 1024GB RAM 15200GB Storage | Virginia | $1.15/GPU/hr $9.20/hr total (8×) |
When to Choose the A100 SXM4 40GB
Choose the A100 SXM4 40GB for large-scale AI training and HPC simulations requiring high FP16 throughput of 312 TFLOPS. Its 40 GB VRAM accommodates models exceeding 24 GB, such as large transformers, and 2039 GB/s bandwidth supports massive batch sizes. Multi-node setups benefit from NVLink, PCIe 4.0, and InfiniBand interconnects.
Cloud users prioritizing performance over power draw find A100 ideal, with availability from $1.00 per hour.
When to Choose the A30
Select the A30 for power-constrained environments or inference tasks where 165W TDP enables higher density than A100's 400W. Its 10.3 TFLOPS FP16 and FP32 suffice for moderate workloads, and 24 GB VRAM handles standard inference without excess capacity.
PCIe form factor simplifies integration in single-node servers focused on virtual desktops or lightweight AI serving.
Use Cases
A100's 312 TFLOPS FP16 and 40 GB VRAM enable training large models with big batches. A30's 10.3 TFLOPS and 24 GB limit scale.
A30's 165W TDP supports efficient, dense inference servers. Its 10.3 TFLOPS FP16 handles standard serving adequately.
A100's 19.5 TFLOPS FP32 and high bandwidth speed iterative fine-tuning. A30 struggles with memory for larger adapters.
A100's 40 GB VRAM fits high-resolution generations and batches. Superior FP16 accelerates diffusion steps.
A100's 19.5 TFLOPS FP32 excels in simulations. InfiniBand scales clusters beyond A30 capabilities.
Frequently Asked Questions
What is the VRAM difference between A100 SXM4 40GB and A30?▾
A100 provides 40 GB HBM2e VRAM, while A30 offers 24 GB HBM2. This allows A100 to handle larger models without swapping.
How do FP16 performances compare?▾
A100 achieves 312 TFLOPS FP16, far exceeding A30's 10.3 TFLOPS. Training mixed-precision models runs over 30 times faster on A100.
What are the power consumption levels?▾
A100 has a 400W TDP, compared to A30's 165W. A30 enables more GPUs per rack for efficiency.
Is cloud pricing available for both?▾
A100 SXM4 40GB starts at $1.00 per hour with $2.80 average across four offers. A30 has no live cloud offers.
Do they support the same interconnects?▾
Both have NVLink, but A100 adds PCIe 4.0 and InfiniBand for better multi-GPU scaling. A30 is PCIe-only.
Which has higher memory bandwidth?▾
A100 delivers 2039 GB/s, double A30's 933 GB/s. This boosts data-heavy workloads like training.
Which is cheaper to rent, the A100 or the A30?▾
Cloud rental prices for both the A100 and A30 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 A100 have compared to the A30?▾
The A100 has 40 to 80 GB of HBM2e memory. The A30 has 24 GB of HBM2 memory.
Can I find A100 and A30 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 A100 and the A30?▾
The A100 uses the Ampere architecture (2020) while the A30 uses Ampere (2021). The A100 delivers 30.3x the FP16 throughput and 2.2x the memory bandwidth of the A30.


