Flopper.io GPU Comparison Sheet
September 1, 2026
flopper.io/compare/nvidia-a40-48gb-vs-nvidia-geforce-rtx-3080-ti-12gbNVIDIA A40 48GB vs NVIDIA GeForce RTX 3080 Ti 12GB
Side by side datacenter GPU specifications from the Flopper.io database.
Overview
| NVIDIA A40 48GB | NVIDIA GeForce RTX 3080 Ti 12GB | |
|---|---|---|
| FP32 TFLOPS | 37.4 | 34.1 |
| VRAM | 48 GB | 12 GB |
| Memory Bandwidth | 696 GB/s | 912 GB/s |
| TDP | 300 W | 350 W |
Performance by Precision
| Precision | NVIDIA A40 48GB peak TFLOPS (dense) | NVIDIA GeForce RTX 3080 Ti 12GB peak TFLOPS (dense) |
|---|---|---|
| INT8 | 299.3 | 68.2 |
| INT4 | 598.7 | — |
| FP16 | 149.7 | 34.1 |
| BF16 | 149.7 | 34.1 |
| TF32 | 74.8 | 34.1 |
| FP32 | 37.4 | 34.1 |
| FP64 | — | 0.5 |
Specifications
| NVIDIA A40 48GB | NVIDIA GeForce RTX 3080 Ti 12GB | |
|---|---|---|
| Architecture | Ampere | Ampere |
| Process Node | — | 8nm |
| Launch Year | 2021 | 2021 |
| Form Factor | PCIe | PCIe |
| Memory Type | GDDR6 | — |
| Interface Width | 384-bit | — |
| Interconnect | — | — |
| TDP | 300 W | 350 W |
| FP32 Efficiency | 0.12 TFLOPS/W | 0.10 TFLOPS/W |