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 outperforms the RTX A2000 dramatically in compute-intensive workloads due to its FP16 rating of 312 TFLOPS compared to 8 TFLOPS. This disparity accelerates deep learning training and inference, where half-precision operations dominate: models train up to 39 times faster on the A100. FP32 performance follows suit at 19.5 TFLOPS versus 8 TFLOPS, benefiting scientific simulations requiring single-precision arithmetic. Memory bandwidth represents another key gap: the A100's 2039 GB/s HBM2e supports massive batch sizes and large datasets, preventing out-of-memory errors for models exceeding 12 GB, while the A2000's 288 GB/s GDDR6 limits it to smaller batches and modest model sizes. In real-world terms, training a large language model on the A100 handles 80 GB VRAM for full precision, whereas the A2000 struggles beyond 6-12 GB, necessitating techniques like quantization. Power consumption underscores efficiency differences: the A100's 400W TDP suits datacenter cooling, but the A2000's 70W enables deployment in low-power workstations without thermal constraints. These specs translate to the A100 completing inference passes in seconds where the A2000 requires minutes for equivalent throughput.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
A100
| 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
Select the A100 for enterprise-scale AI training and inference demanding high VRAM and bandwidth. Its 40-80 GB HBM2e capacity accommodates massive models like GPT variants, supporting batch sizes infeasible on the A2000's 6-12 GB GDDR6. Scenarios include distributed training via NVLink, where 312 TFLOPS FP16 delivers rapid iterations across multi-GPU clusters. Cloud users prioritizing speed over cost favor the A100 at $0.45 per hour starting price for high-throughput scientific computing.
When to Choose the RTX A2000
Opt for the RTX A2000 in budget-conscious or edge deployments with modest workloads. Its 70W TDP and $0.06 per hour starting price suit small-scale inference, prototyping, or visualization tasks fitting within 6-12 GB VRAM. Workstation users benefit from PCIe compatibility without datacenter infrastructure, handling FP16 tasks at 8 TFLOPS efficiently for non-critical fine-tuning or Stable Diffusion generation.
Use Cases
LLM training requires massive VRAM and high FP16 throughput: the A100's 40-80 GB HBM2e and 312 TFLOPS handle full-scale models, unlike the A2000's 6-12 GB and 8 TFLOPS.
Large LLMs demand high memory bandwidth for batched inference: A100's 2039 GB/s supports high throughput, while A2000's 288 GB/s limits scale.
Fine-tuning benefits from A100's 19.5 TFLOPS FP32 and ample VRAM for parameter-efficient methods on big datasets, exceeding A2000 capabilities.
Stable Diffusion runs efficiently on 6-12 GB VRAM with 8 TFLOPS FP16: the A2000 suffices for image generation at low cost of $0.06 per hour.
Scientific simulations leverage A100's 2039 GB/s bandwidth and NVLink for parallel processing, far beyond A2000's PCIe-only setup.
Frequently Asked Questions
Which GPU has more VRAM: A100 or RTX A2000?▾
The A100 offers 40-80 GB HBM2e VRAM, significantly more than the RTX A2000's 6-12 GB GDDR6. This enables the A100 to load larger models without swapping to system memory.
How do A100 and RTX A2000 compare in FP16 performance?▾
A100 delivers 312 TFLOPS in FP16, over 39 times the RTX A2000's 8 TFLOPS. This gap accelerates AI training and inference on the A100.
What is the power consumption difference between A100 and A2000?▾
The A100 has a 400W TDP, while the RTX A2000 uses 70W. Lower power on the A2000 suits workstations, but A100 requires datacenter cooling.
Which is cheaper in the cloud: A100 or RTX A2000?▾
RTX A2000 starts at $0.06 per hour averaging $0.23, versus A100's $0.45 starting and $1.92 average. A2000 offers better value for light tasks.
Can RTX A2000 handle large model training like A100?▾
No, RTX A2000's 288 GB/s bandwidth and 6-12 GB VRAM limit it to small models, while A100's 2039 GB/s and 40-80 GB support enterprise training.
What interconnects does A100 support over A2000?▾
A100 includes NVLink, PCIe 4.0, and InfiniBand for multi-GPU scaling; RTX A2000 relies solely on PCIe. This makes A100 ideal for clusters.
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.



