H100 PCIe vs A100 80GB
Detailed comparison of specifications, performance, and pricing between NVIDIA H100 PCIe and NVIDIA A100 80GB SXM
Difference Analysis
Full Specifications
| Specification | H100 PCIe | A100 80GB | AMD Instinct MI210 |
|---|---|---|---|
| Brand | NVIDIA | NVIDIA | AMD |
| Series | Data Center | Data Center | Data Center |
| Architecture | Hopper | Ampere | CDNA 2 |
| VRAM | 80GB | 80GB | 64GB |
| VRAM Type | HBM2e | HBM2e | HBM2E |
| Memory Bandwidth | 2.0 TB/s | 2.0 TB/s | 1.6 TB/s |
| FP16 TFLOPS | 102.0 | 78.0 | 181.0 |
| Tensor TFLOPS | 1.5k | 312.0 | 362.0 |
| TDP | 350W | 400W | 300W |
| Form Factor | PCIe | SXM | - |
| Hardware Price | $$28k | $$12k | - |
| Cloud Price (min) | $2.39/hr | $1.15/hr | - |
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H100 PCIe vs A100 80GB FAQ
It depends on your use case. The H100 PCIe offers 385% better performance (1.5k vs 312.0 TFLOPS). However, the A100 80GB is 133% cheaper. For raw performance, choose H100 PCIe. For value, consider your budget and workload requirements.
The H100 PCIe has more VRAM with 80GB compared to 80GB (0% more). More VRAM is crucial for training large models and running inference on bigger batch sizes.
For AI training, the H100 PCIe is generally better due to its larger VRAM (80GB). Large language models and deep learning workloads benefit significantly from more memory. However, if your models fit in 80GB, the cheaper option may be more cost-effective.
The A100 80GB is 133% cheaper at $$12k vs $$28k. When considering performance per dollar, evaluate your specific workload requirements to determine the best value.
Upgrading to H100 PCIe would give you 385% more performance and 0% more VRAM. The upgrade cost difference is approximately $$16k. Consider if your workloads are bottlenecked by current GPU capabilities.