Flopper.io GPU Comparison Sheet
October 9, 2026
flopper.io/compare/nvidia-l20-48gb-vs-nvidia-l40-48gbNVIDIA L20 48GB vs NVIDIA L40 48GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA L20 48GB | NVIDIA L40 48GB | |
|---|---|---|
| FP32 TFLOPS | 59.8 | 90.5 |
| Memory | 48 GB | 48 GB |
| Memory Bandwidth | 864 GB/s | 864 GB/s |
| TDP | 275 W | 300 W |
Performance by Precision
| Precision | NVIDIA L20 48GB peak TFLOPS (dense) | NVIDIA L40 48GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | — | — |
| FP32 | 59.8 | 90.5 |
| TF32 | 59.8 | 90.5 |
| BF16 | 119.5 | 181.1 |
| FP16 | 119.5 | 181.1 |
| FP8 | 239.0 | 362.0 |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | 239.0 | 362.0 |
| INT4 | — | 724.0 |
Specifications
| NVIDIA L20 48GB | NVIDIA L40 48GB | |
|---|---|---|
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | — | 4nm |
| Launch Year | 2024 | 2023 |
| Form Factor | PCIe | PCIe |
| Memory Type | GDDR6 | GDDR6 |
| Interface Width | — | — |
| Interconnect | — | — |
| TDP | 275 W | 300 W |
| FP32 Efficiency | 0.22 TFLOPS/W | 0.30 TFLOPS/W |