NVIDIA L40 vs NVIDIA Rubin CPX
How the NVIDIA L40 and NVIDIA Rubin CPX compare across memory, compute, power and form factor, with the stronger figure highlighted on each row.
| Specification |  ADA LOVELACE NVIDIA L40 View Product → |  RUBIN NVIDIA Rubin CPX View Product → |
|---|---|---|
| Pricing | ||
| Price | €7,740.00 | – |
| Overview | ||
| Architecture | Ada Lovelace (4nm) | Rubin (CPX variant) |
| Memory | ||
| Memory | 48 GB GDDR6 with ECC | HBM4 (capacity per partner configuration) |
| Memory Bandwidth | 864 GB/s | – |
| Memory Interface | 384-bit | – |
| Compute | ||
| CUDA Cores | 18,176 | – |
| Tensor Cores | 568 | – |
| RT Cores / Ray Accelerators | 142 | – |
| Platform | ||
| Interface | PCIe Gen4 x16 | – |
| NVLink / Infinity Fabric | – | NVLink 6, PCIe Gen 6 |
| TDP | 300W | – |
| Form Factor | 4.4" H × 10.5" L, dual slot, passive | SXM / rack-integrated |
| Display Outputs | 4× DisplayPort 1.4a | – |
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