Flopper.io GPU Comparison Sheet
September 4, 2026
flopper.io/compare/nvidia-geforce-rtx-4090-d-24gb-vs-nvidia-l40s-48gbNVIDIA GeForce RTX 4090 D 24GB vs NVIDIA L40S 48GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA GeForce RTX 4090 D 24GB | NVIDIA L40S 48GB | |
|---|---|---|
| FP32 TFLOPS | 73.5 | 91.6 |
| VRAM | 24 GB | 48 GB |
| Memory Bandwidth | — | 864 GB/s |
| TDP | 425 W | 350 W |
Performance by Precision
| Precision | NVIDIA GeForce RTX 4090 D 24GB peak TFLOPS (dense) | NVIDIA L40S 48GB peak TFLOPS (dense) |
|---|---|---|
| FP64 | 1.1 | 1.4 |
| FP32 | 73.5 | 91.6 |
| TF32 | 73.5 | 183.0 |
| BF16 | 147.1 | 362.1 |
| FP16 | 147.1 | 362.1 |
| FP8 | 294.2 | 733.0 |
| FP6 | — | — |
| FP4 | — | — |
| INT8 | 588.4 | 733.0 |
| INT4 | — | 733.0 |
Specifications
| NVIDIA GeForce RTX 4090 D 24GB | NVIDIA L40S 48GB | |
|---|---|---|
| Architecture | Ada Lovelace | Ada Lovelace |
| Process Node | 4nm | 4nm |
| Launch Year | 2023 | 2023 |
| Form Factor | PCIe | PCIe |
| Memory Type | GDDR6X | — |
| Interface Width | 384-bit | — |
| Interconnect | — | — |
| TDP | 425 W | 350 W |
| FP32 Efficiency | 0.17 TFLOPS/W | 0.26 TFLOPS/W |