AMD MI355X vs RTX 4090: Specs
Architecture, compute capability and supported precisions for the AMD MI355X and the RTX 4090, from vendor datasheets.
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Specs side by side
| Spec | AMD MI355X | RTX 4090 |
|---|---|---|
| VRAM | 288GB HBM3E | 24GB GDDR6X |
| Memory bandwidth | 8 TB/s | 1,008 GB/s |
| Architecture | CDNA4 | Ada Lovelace |
| Compute capability | n/a | 8.9 |
| Precisions in hardware | FP32, FP16, BF16, FP8, INT4 | FP32, FP16, BF16, FP8, INT4 |
| Peak FP16/BF16 tensor TFLOPS | 2,500 TFLOPS | – |
| Peak FP8 tensor TFLOPS | 5,000 TFLOPS | – |
| NVLink / multi-GPU interconnect | Infinity Fabric, 7 links at 153 GB/s peak each | – |
| Max board power (TDP) | 1400W typical board power | 450W |
