AMD MI300X vs RTX 5080: Specs
Architecture, compute capability and supported precisions for the AMD MI300X and the RTX 5080, from vendor datasheets.
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Specs side by side
| Spec | AMD MI300X | RTX 5080 |
|---|---|---|
| VRAM | 192GB HBM3 | 16GB GDDR7 |
| Memory bandwidth | 5.3 TB/s | 960 GB/s |
| Architecture | CDNA3 | Blackwell |
| Compute capability | n/a | 12.0 |
| Precisions in hardware | FP32, FP16, BF16, FP8, INT4 | FP32, FP16, BF16, FP8, INT4 |
| Peak FP16/BF16 tensor TFLOPS | 1,307.4 TFLOPS | 225.1 TFLOPS |
| Peak FP8 tensor TFLOPS | 2,614.9 TFLOPS | 450.2 TFLOPS |
| NVLink / multi-GPU interconnect | Infinity Fabric | – |
| Max board power (TDP) | 750W | 360W |
