Flopper.io GPU Specification Sheet
June 16, 2026
flopper.io/gpu/nvidia-h20-141gbNVIDIA H20 141GB HBM3e
Official Hopper SXM 2025 4nm
Overview
44.0
FP32 TFLOPS
141 GB
VRAM HBM3e
4.0 TB/s
Memory Bandwidth
400 W
TDP
Performance Metrics
| Precision | Peak TFLOPS | Bits | Type |
|---|---|---|---|
| INT8 | 296.0 | 8 | Standard |
| FP16 | 148.0 | 16 | Standard |
| BF16 | 148.0 | 16 | Standard |
| TF32 | 74.0 | 32 | Standard |
| FP32 | 44.0 | 32 | Standard |
| FP64 | 1.0 | 64 | Standard |
Memory Specifications
- Capacity
- 141 GB
- Type
- HBM3e
- Bandwidth
- 4.0 TB/s
- Interface Width
- —
Power & Efficiency
- TDP
- 400 W
- Est. Max Power
- 460 W
- FP32 Efficiency
- 0.11 TFLOPS/W
- FP16 Efficiency
- 0.37 TFLOPS/W
Hardware Details
Vendor: NVIDIA
Architecture: Hopper
Process Node: 4nm
Form Factor: SXM
Launch Year: 2025
Variant: 141GB HBM3e
Interconnect
GPU-to-GPU: NVLink
Bandwidth: 900 GB/s