Flopper.io GPU Comparison Sheet
November 15, 2026
flopper.io/compare/meta-mtia-450-vs-nvidia-rubin-cpxMeta MTIA 450 vs NVIDIA Rubin CPX
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| Meta MTIA 450 | NVIDIA Rubin CPX | |
|---|---|---|
| FP32 TFLOPS | — | — |
| Memory | 288 GB | 128 GB |
| Memory Bandwidth | 18.4 TB/s | — |
| TDP | 1.4 kW | — |
Performance by Precision
| Precision | Meta MTIA 450 peak TFLOPS (dense) | NVIDIA Rubin CPX peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | — | — |
| TF32 | — | — |
| BF16 | 3500.0 | — |
| FP16 | — | — |
| FP8 | 7000.0 | — |
| FP6 | — | — |
| FP4 | 21000.0 | — |
| NVFP4 | — | — |
| INT8 | — | — |
Specifications
| Meta MTIA 450 | NVIDIA Rubin CPX | |
|---|---|---|
| Architecture | MTIA | Rubin |
| Process Node | — | — |
| Launch Year | 2027 | 2026 |
| Form Factor | — | — |
| Memory Type | HBM | GDDR7 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 1.4 kW | — |
| FP32 Efficiency | — | — |