Specifications Compared
| Spec | A100 | RTX-A2000 |
|---|---|---|
| TDP | 400W | 70W |
| VRAM | 40-80 GB | 6-12 GB |
| CUDA Cores | 6,912 | 3,328 |
| Memory Type | HBM2e | GDDR6 |
| Architecture | Ampere | Ampere |
| Form Factors | SXM4, PCIe | PCIe |
| Interconnect | NVLink, PCIe 4.0, InfiniBand | |
| Tensor Cores | 432 | 104 |
| FP16 Performance | 312 TFLOPS | 8 TFLOPS |
| FP32 Performance | 19.5 TFLOPS | 8 TFLOPS |
| FP64 Performance | 9.7 TFLOPS | |
| INT8 Performance | 624 TOPS | |
| Memory Bandwidth | 2,039 GB/s | 288 GB/s |
Performance Analysis
The A100 SXM4 40GB vastly outperforms the RTX A2000 in compute capabilities: its 312 TFLOPS FP16 rate enables rapid AI model training, processing tensor operations 39 times faster than the A2000's 8 TFLOPS. FP32 performance at 19.5 TFLOPS on the A100 supports twice the throughput of the A2000's 8 TFLOPS for general simulations. These deltas mean the A100 accelerates deep learning training cycles significantly, reducing time from days to hours for large datasets.
Memory specifications define workload feasibility: the A100's 40 GB HBM2e and 2039 GB/s bandwidth handle massive batch sizes in LLM training, avoiding out-of-memory errors common on the A2000's 6-12 GB GDDR6 at 288 GB/s. Lower bandwidth on the A2000 limits it to smaller batches or inference on compact models, causing bottlenecks in memory-intensive tasks like Stable Diffusion at high resolutions. Power draw further differentiates them: 400W for A100 demands robust cooling, while 70W A2000 fits low-power servers.
Inference benefits from A100's tensor cores for low-latency serving of large models, whereas A2000 suffices for lightweight endpoints.
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 646GB Storage | Czechia | $1.07/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×) |
RTX A2000
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
![]() RunPod | NVIDIA RTX A2000 12GB VRAM | 12GB | 6 vCPU 20GB RAM | 🌍global | $0.50/GPU/hr |
When to Choose the A100 SXM4 40GB
Select the A100 SXM4 40GB for demanding AI training and HPC applications requiring 312 TFLOPS FP16 and 40 GB VRAM. It excels in multi-GPU setups via NVLink and InfiniBand, ideal for distributed LLM training or scientific simulations with large datasets. Cloud users prioritize its 2039 GB/s bandwidth when scaling batch sizes beyond what 6-12 GB GDDR6 allows.
When to Choose the RTX A2000
The RTX A2000 fits budget inference, prototyping, or edge deployments with its 70W TDP and $0.06 per hour starting price. It handles small-scale fine-tuning or Stable Diffusion at 8 TFLOPS FP16 without needing datacenter infrastructure. Choose it for cost-sensitive tasks where 288 GB/s bandwidth and 6-12 GB VRAM suffice.
Use Cases
A100's 312 TFLOPS FP16 and 40 GB VRAM support massive models and large batches. RTX A2000's 8 TFLOPS and 6-12 GB limit it to tiny scales.
High 2039 GB/s bandwidth on A100 enables low-latency serving of large LLMs. A2000 suits only small models due to 288 GB/s and lower VRAM.
A100's 19.5 TFLOPS FP32 and ample memory accelerate parameter updates on big datasets. A2000 works for lightweight fine-tuning at reduced speed.
A100 handles high-resolution generations with 40 GB VRAM; A2000 manages standard tasks at 6-12 GB for lower cost.
A100's NVLink and 312 TFLOPS FP16 optimize parallel simulations. A2000 lacks interconnects for scaled HPC.
Frequently Asked Questions
What is the VRAM difference between A100 SXM4 40GB and RTX A2000?▾
The A100 offers 40 GB HBM2e VRAM, far exceeding the RTX A2000's 6-12 GB GDDR6. This allows A100 to process larger models without swapping. RTX A2000 suits smaller workloads.
How do FP16 performances compare?▾
A100 delivers 312 TFLOPS FP16, 39 times the RTX A2000's 8 TFLOPS. This gap accelerates AI training on A100. Inference sees similar boosts for tensor operations.
What are the cloud pricing differences?▾
A100 SXM4 40GB starts at $1.00 per hour, averaging $2.63 across five offers. RTX A2000 begins at $0.06 per hour, averaging $0.23 over three offers. A2000 provides better value for light use.
Which has higher memory bandwidth?▾
A100 achieves 2039 GB/s with HBM2e, over seven times the RTX A2000's 288 GB/s GDDR6. Higher bandwidth supports bigger batch sizes on A100. A2000 faces limits in memory-bound tasks.
What are the power requirements?▾
A100 consumes 400W TDP, needing datacenter power. RTX A2000 uses 70W, ideal for workstations. This makes A2000 more efficient for edge computing.
Can RTX A2000 replace A100 in training?▾
No, RTX A2000's 8 TFLOPS FP16 cannot match A100's 312 TFLOPS for large training jobs. Use A2000 for prototyping only. A100 scales to production.
Which is cheaper to rent, the A100 or the RTX A2000?▾
Cloud rental prices for both the A100 and RTX A2000 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 RTX A2000?▾
The A100 has 40 to 80 GB of HBM2e memory. The RTX A2000 has 6 to 12 GB of GDDR6 memory.
Can I find A100 and RTX A2000 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 RTX A2000?▾
The A100 uses the Ampere architecture (2020) while the RTX A2000 uses Ampere (2021). The A100 delivers 39.0x the FP16 throughput and 7.1x the memory bandwidth of the RTX A2000.



