NVIDIA A100 80GB vs NVIDIA A2
How the NVIDIA A100 80GB and NVIDIA A2 compare across memory, compute, power and form factor, with the stronger figure highlighted on each row.
| Specification |  AMPERE NVIDIA A100 80GB View Product → |  AMPERE NVIDIA A2 View Product → |
|---|---|---|
| Pricing | ||
| Price | – | – |
| Overview | ||
| Architecture | Ampere | Ampere |
| Memory | ||
| Memory | 80 GB HBM2e | 16 GB GDDR6 with ECC |
| Memory Bandwidth | 2,039 GB/s | 200 GB/s |
| Compute | ||
| CUDA Cores | – | 1,280 |
| Tensor Cores | – | 40 |
| RT Cores / Ray Accelerators | – | 10 |
| FP32 | 19.5 TFLOPS | 4.5 TFLOPS |
| FP64 Tensor | 19.5 TFLOPS | – |
| TF32 Tensor | 312 TFLOPS (Sparse) | 9 TFLOPS (18 TFLOPS with sparsity) |
| FP16/BF16 Tensor | 624 TFLOPS (Sparse) | – |
| INT8 Tensor | 1,248 TOPS (Sparse) | – |
| Platform | ||
| Interface | Gen4 | PCIe Gen4 x8 |
| NVLink / Infinity Fabric | 600 GB/s | – |
| TDP | 400W | 40–60W (configurable) |
| Form Factor | – | Low-profile, single-slot, passive |
| Multi-Instance GPU (MIG) | Up to 7 instances | – |
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