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NVIDIA Rubin CPX vs NVIDIA Rubin
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA Rubin CPX
Architecture
Rubin
Year
2026
VRAM
128 GB
NVIDIA Rubin
Architecture
Rubin
Year
2026
VRAM
288 GB
Specifications
NVIDIA Rubin CPX NVIDIA Rubin
Architecture
Rubin Rubin
Launch Year
2026 2026
Form Factor
— SXM
VRAM
128 GB288 GB
Memory Bandwidth
—22.0 TB/s
TDP
——
Process Node
— —
| Spec | NVIDIA Rubin CPX | NVIDIA Rubin |
|---|---|---|
| Architecture | Rubin | Rubin |
| Launch Year | 2026 | 2026 |
| Form Factor | — | SXM |
| VRAM | 128 GB | 288 GB |
| Memory Bandwidth | — | 22.0 TB/s |
| TDP | — | — |
| Process Node | — | — |
Performance (TFLOPS)
NVIDIA Rubin CPX NVIDIA Rubin
FP64
—33.0 TFlops
FP32
—130.0 TFlops
FP16
—4000.0 TFlops
BF16
—4000.0 TFlops
FP8
—17500.0 TFlops
INT8
—250.0 TFlops
Tensor Core
FP64 (TC)
—200.0 TFlops
| Precision | NVIDIA Rubin CPX | NVIDIA Rubin |
|---|---|---|
| FP64 | — | 33.0 TFlops |
| FP32 | — | 130.0 TFlops |
| FP16 | — | 4000.0 TFlops |
| BF16 | — | 4000.0 TFlops |
| FP8 | — | 17500.0 TFlops |
| INT8 | — | 250.0 TFlops |
| Tensor Core | ||
| FP64 (TC) | — | 200.0 TFlops BEST |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
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