Flopper.io GPU Specification Sheet
October 9, 2026
flopper.io/gpu/nvidia-rubin-cpxNVIDIA Rubin CPX
Rubin 2026
Overview
—
FP32 TFLOPS
128 GB
Memory GDDR7
—
Memory Bandwidth
—
TDP
Performance Metrics
| Precision | Peak (dense) | 2:4 Sparse | Bits | Type |
|---|---|---|---|---|
| FP64 | — | N/A | — | Standard |
| FP32 | — | N/A | — | Standard |
| TF32 | — | not published | — | Standard |
| BF16 | — | not published | — | Standard |
| FP16 | — | not published | — | Standard |
| FP8 | — | not published | — | Standard |
| FP6 | — | not published | — | Standard |
| FP4 | — | not published | — | Standard |
| NVFP4 | — | 30000.0 | — | Standard |
| INT8 | — | not published | — | Standard |
Memory Specifications
- Capacity
- 128 GB
- Type
- GDDR7
- Bandwidth
- —
- Interface Width
- —
Power & Efficiency
- TDP
- —
- Max power
- —
- FP32 dense TFLOPS per W of TDP
- —
- FP16 dense TFLOPS per W of TDP
- —
Per W of TDP figures divide dense peak by accelerator TDP. Board power only: excludes host CPUs, networking, cooling and facility overhead.
Hardware Details
Vendor: NVIDIA
Architecture: Rubin
Process Node: —
Form Factor: —
Launch Year: 2026
Chip Design
Chiplets: 1 (Monolithic)
Enterprise Features
Sparsity: Yes