NVIDIA A2 vs NVIDIA Rubin CPX
How the NVIDIA A2 and NVIDIA Rubin CPX compare across memory, compute, power and form factor, with the stronger figure highlighted on each row.
| Specification |
AMPERE
NVIDIA A2
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|
RUBIN
NVIDIA Rubin CPX
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|
|---|---|---|
| Pricing | ||
| Price | – | – |
| Overview | ||
| Architecture | Ampere | Rubin (CPX variant) |
| Memory | ||
| Memory | 16 GB GDDR6 with ECC | HBM4 (capacity per partner configuration) |
| Memory Bandwidth | 200 GB/s | – |
| Compute | ||
| CUDA Cores | 1,280 | – |
| Tensor Cores | 40 | – |
| RT Cores | 10 | – |
| FP32 | 4.5 TFLOPS | – |
| TF32 Tensor | 9 TFLOPS (18 TFLOPS with sparsity) | – |
| Platform | ||
| Interface | PCIe Gen4 x8 | – |
| NVLink | – | NVLink 6, PCIe Gen 6 |
| TDP | 40–60W (configurable) | – |
| Form Factor | Low-profile, single-slot, passive | SXM / rack-integrated |
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