Flopper.io GPU Comparison Sheet
August 20, 2026
flopper.io/compare/nvidia-l40s-48gb-vs-nvidia-l20-48gbNVIDIA L40S 48GB vs NVIDIA L20 48GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA L40S 48GB | NVIDIA L20 48GB | |
|---|---|---|
| FP32 TFLOPS | 91.6 | 59.8 |
| VRAM | 48 GB | 48 GB |
| Memory Bandwidth | 864 GB/s | 864 GB/s |
| TDP | 350 W | 275 W |
Performance by Precision
| Precision | NVIDIA L40S 48GB peak TFLOPS (dense) | NVIDIA L20 48GB peak TFLOPS (dense) |
|---|---|---|
| INT8 | 733.0 | 239.0 |
| INT4 | 733.0 | — |
| FP8 | 733.0 | 239.0 |
| FP16 | 362.1 | 119.5 |
| BF16 | 362.1 | 119.5 |
| TF32 | 183.0 | 59.8 |
| FP32 | 91.6 | 59.8 |
| FP64 | 1.4 | — |
Specifications
| NVIDIA L40S 48GB | NVIDIA L20 48GB | |
|---|---|---|
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | 4nm | — |
| Launch Year | 2023 | 2024 |
| Form Factor | PCIe | PCIe |
| Memory Type | — | GDDR6 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 350 W | 275 W |
| FP32 Efficiency | 0.26 TFLOPS/W | 0.22 TFLOPS/W |