Flopper.io GPU Specification Sheet
August 19, 2026
flopper.io/gpu/nvidia-dgx-sparkNVIDIA DGX Spark
Grace Blackwell Desktop Workstation 2025 4nm
Overview
—
FP32 TFLOPS
128 GB
VRAM
273 GB/s
Memory Bandwidth
140 W
TDP
Performance Metrics
| Precision | Peak (dense) | 2:4 Sparse | Bits | Type |
|---|---|---|---|---|
| FP4 | 500.0 | 1000.0 | 4 | Standard |
Memory Specifications
- Capacity
- 128 GB
- Type
- —
- Bandwidth
- 273 GB/s
- Interface Width
- —
Power & Efficiency
- TDP
- 140 W
- Max Power
- 240 W
- FP32 Efficiency
- —
- FP16 Efficiency
- —
Hardware Details
Vendor: NVIDIA
Architecture: Grace Blackwell
Process Node: 4nm
Form Factor: Desktop Workstation
Launch Year: 2025
Enterprise Features
Sparsity: Yes