NVIDIA A40 vs NVIDIA L40S
Side-by-side comparison of specifications, performance, and efficiency.
NVIDIA A40
Architecture
Ampere
Year
2021
VRAM
48 GB
TDP
300 W
NVIDIA L40S
Architecture
Ada Lovelace
Year
2023
VRAM
48 GB
TDP
350 W
Specifications
NVIDIA A40 NVIDIA L40S
Architecture
Ampere Ada Lovelace
Launch Year
2021 2023
Form Factor
PCIe PCIe
VRAM
48 GB48 GB
Memory Bandwidth
696 GB/s864 GB/s
TDP
300 W350 W
Process Node
— 4nm
| Spec | NVIDIA A40 | NVIDIA L40S |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Launch Year | 2021 | 2023 |
| Form Factor | PCIe | PCIe |
| VRAM | 48 GB | 48 GB |
| Memory Bandwidth | 696 GB/s | 864 GB/s |
| TDP | 300 W | 350 W |
| Process Node | — | 4nm |
Performance (TFLOPS)
NVIDIA A40 NVIDIA L40S
FP64
—1.4 TFlops
FP32
37.4 TFlops91.6 TFlops
FP16
149.7 TFlops733.0 TFlops
BF16
149.7 TFlops733.0 TFlops
FP8
—733.0 TFlops
INT8
299.3 TFlops733.0 TFlops
| Precision | NVIDIA A40 | NVIDIA L40S |
|---|---|---|
| FP64 | — | 1.4 TFlops |
| FP32 | 37.4 TFlops | 91.6 TFlops |
| FP16 | 149.7 TFlops | 733.0 TFlops |
| BF16 | 149.7 TFlops | 733.0 TFlops |
| FP8 | — | 733.0 TFlops |
| INT8 | 299.3 TFlops | 733.0 TFlops |
FLOPS by Precision
Efficiency — TDP vs FP32 Performance
Analysis
Most Efficient
NVIDIA
L40S
0.26 TFLOPS/W
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