AMD Instinct MI210 vs NVIDIA Rubin CPX
How the AMD Instinct MI210 and NVIDIA Rubin CPX compare across memory, compute, power and form factor, with the stronger figure highlighted on each row. Vendor-specific figures (CUDA vs stream processors, Tensor vs matrix cores) are listed on their own rows.
| Specification | CDNA 2 AMD Instinct MI210 NVIDIA alternative: NVIDIA A100 80GB → |  RUBIN NVIDIA Rubin CPX View Product → |
|---|---|---|
| Pricing | ||
| Price | Not sold by NVNexus | – |
| Overview | ||
| Architecture | AMD CDNA 2 | Rubin (CPX variant) |
| Memory | ||
| Memory | 64 GB HBM2e | HBM4 (capacity per partner configuration) |
| Memory Bandwidth | 1.6 TB/s | – |
| Memory Interface | 4096-bit | – |
| Compute | ||
| Stream Processors (AMD) | 6,656 (104 CUs) | – |
| Matrix Cores / AI Accelerators (AMD) | 416 | – |
| FP32 | 45.3 TFLOPS (matrix) | – |
| FP64 Tensor | 45.3 TFLOPS (matrix) | – |
| FP16/BF16 Tensor | 181 TFLOPS | – |
| INT8 Tensor | 181 TOPS | – |
| Platform | ||
| Interface | PCIe Gen4 x16 | – |
| NVLink / Infinity Fabric | Infinity Fabric bridges, 300 GB/s | NVLink 6, PCIe Gen 6 |
| TDP | 300W | – |
| Form Factor | Dual-slot PCIe, passive | SXM / rack-integrated |
| Cooling | Passive (chassis airflow) | – |
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